Keysight Technologies FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz Data Sheet

Keysight Technologies FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz Data Sheet
Keysight Technologies
FieldFox Handheld Analyzers
4/6.5/9/14/18/26.5/32/44/50 GHz
Data Sheet
N9913A
N9914A
N9915AN9925AN9935A
N9916AN9926AN9936A
N9917AN9927AN9937A
N9918AN9928AN9938A
N9950A
N9951A
N9952A
N9960A
N9961A
N9962A
02 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Table of Contents
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Cable and Antenna Analyzer and Vector Network Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and N9925A/26A/27A/28A . . . . . . . . . . . . . . . . . . . . . . . 8
Corrected Measurement Uncertainty for N9950A/51A/52A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
TDR Cable Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
VNA Time Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Mixed-Mode S-Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Vector Voltmeter (VVM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Spectrum Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Tracking Generator or Independent Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Spectrum Analyzer IF Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
AM/FM Tune and Listen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Preamplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Interference Analyzer and Spectrogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Spectrum Analyzer Time Gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Reflection Measurements (RL, VSWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Extended Range Transmission Analysis (ERTA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Built-in Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
External USB Power Sensor Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Pulse Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
USB Power Sensor Measurements Versus Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Built-In GPS Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
DC Bias Variable-Voltage Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Remote Control Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
This data sheet provides the specified and typical performance of the FieldFox family of portable analyzers. This data sheet should
be used in conjunction with the technical overviews and configuration guide, for a complete description of the analyzers.
The specifications and measurement capabilities listed in this document require certain options on the FieldFox analyzer. Refer to
the FieldFox Configuration Guide to obtain option information. The configuration guide (http://literature.cdn.keysight.com/litweb/
pdf/5990-9836EN.pdf) is the main resource for option/measurement capability information.
03 | Keysight | FieldFox Handheld Analyzers - Data Sheet
Definitions
Specification (spec)
Specifications include guardbands to account for the expected statistical performance distribution, measurement uncertainties, and
changes in performance due to environmental conditions. Specifications are warranted performance. FieldFox must be within its
calibration cycle. No warm-up required for the specifications listed on pages 20 through 33 and pages 35 through 42.
Typical
Describes additional product performance information not covered by the product warranty. It is performance beyond specifications
that 80% of the units exhibit with a 95% confidence level over the temperature range 23 ± 5 ºC, unless otherwise noted. Typical
performance does not include measurement uncertainty. FieldFox must be within its calibration cycle.
Nominal
A general, descriptive term or design parameter. It is not tested, and not covered by the product warranty. FieldFox must be within
its calibration cycle.
04 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer
The performance listed in this section applies to the cable and antenna analyzer (referred to as CAT) and vector network analyzer
(VNA) capabilities available in the following models:
–– FieldFox RF & microwave (combination) analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N9925A, N9926A, N9927A, N9928A
NOTE: Combination analyzers = Cable and antenna tester (CAT) + Vector network analyzer (VNA) + Spectrum analyzer (SA)
N991x, N992x
N995x
Models
Frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9925A
30 kHz to 9 GHz
N9916A, N9926A
30 kHz to 14 GHz
N9917A, N9927A
30 kHz to 18 GHz
N9918A, N9928A
30 kHz to 26.5 GHz
N9950A
300 kHz to 32 GHz
N9951A
300 kHz to 44 GHz
N9952A
300 kHz to 50 GHz
Frequency reference
-10 to 55 °C
Accuracy
± 0.7 ppm (spec) + aging
± 0.4 ppm (typical) + aging
Accuracy, when locked to GPS
± 0.010 ppm (spec)
Accuracy, when GPS antenna
is disconnected
± 0.2 ppm (nominal) 1
Aging Rate
± 1 ppm/yr for 20 years (spec), will not exceed ± 3.5 ppm
Frequency resolution (start, stop, center, marker)
Spec
Frequency ≤ 5 GHz
1 Hz
Frequency ≤ 10 GHz
1.34 Hz
Frequency ≤ 20 GHz
2.68 Hz
Frequency ≤ 40 GHz
5.36 Hz
Frequency ≤ 50 GHz
8.04 Hz
Data points of resolution
101, 201, 401, 601, 801, 1001, 1601, 4001, 10,001
Arbitrary number of points settable through front panel and SCPI
IF bandwidth 2
10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz, 100 kHz
System impedance
50 Ω (nominal), 75 Ω with appropriate adapter and calibration kit
1. The maximum drift expected in the frequency reference applicable when the ambient temperature changes ±5 °C from the temperature when the GPS signal
was last connected
2. VNA mode only. Recommend using averaging in CAT mode
05 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Test port output power (dBm), high power
Typical
Nominal
30 to 300 kHz
−11
—
> 300 kHz to 2 MHz
−3
−2
> 2 to 625 MHz
−2
−1
N991x, N992x, Port 1 or port 2
> 625 MHz to 3 GHz
1
3
> 3 to 6.5 GHz
−1
1
> 6.5 to 9 GHz
−2
0
> 9 to 14 GHz
−4
−2.5
> 14 to 18 GHz
−6
−4.5
> 18 to 23 GHz
−10
−8.5
> 23 to 26.5 GHz
−12
−11
Test port output power (dBm), low power
N991x, N992x, Port 1 or Port 2
-45 dBm (flattened), nominal
Test port output power (dBm), high power
N995xA
Typical
Port 1
Port 2
300 kHz to 2 MHz
0
0
> 2 MHz to 1 GHz
2
2
> 1 to 6.5 GHz
2
0
> 6.5 to 18 GHz
4
1
> 18 to 39 GHz
1
−2
> 39 to 46 GHz
−2
−5
> 46 to 50 GHz
−4
−7
Test port output power (dBm), low power
Typical
N995xA
Port 1
Port 2
500 kHz to 10 MHz
−35
−38
> 10 MHz to 10 GHz
−38
−42
> 10 to 20 GHz
−43
−47
> 20 to 44 GHz
−44
−50
> 44 to 50 GHz
−53
Max leveled power (dBm)
−55
Typical
N995xA
Port 1
Port 2
500 kHz to 10 MHz
−2
−2
> 10 MHz to 25 GHz
0
0
> 25 to 32 GHz
0
−4
> 32 to 44 GHz
−3
−6
> 44 to 50 GHz
−7
−10
06 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Output Power range
CAT
High, low, and manual. Default (preset) power is high
Manual power is flattened
VNA
High, low, and manual. Default (preset) power is manual, −15 dBm. Manual power is flattened.
Power step size
Power settable in 1 dB steps across power range. Flat power, in 1 dB steps, is available across the
whole frequency span, nominal
Power level accuracy
Typical
N991x, N992x
± 1.5 dB at −15 dBm, for frequencies > 250 kHz
N995x
± 0.7 dB at −15 dBm, for frequencies > 500 kHz to 10 MHz
± 0.5 dB at −15 dBm, for frequencies > 10 MHz to 50 GHz
Power level linearity
Nominal
N995x
Port 1 or port 2, −25 dBm ≤ P < max leveled power each port
10 MHz to 50 GHz
System dynamic range (dB)
± 0.5 dB
Port 1 or port 2, high power, 300 Hz IF bandwidth, 100 point average, -10 to 55 °C
1, 2
Frequency
N991x, N992x
N995x
Spec
Typical
95
100
> 9 to 14 GHz
91
97
> 14 to 18 GHz
90
94
> 18 to 20 GHz
87
90
> 20 to 25 GHz
74
79
> 25 to 26.5 GHz
65
70
> 300 kHz to 1 MHz
—
70 (nominal)
> 1 to 10 MHz
—
100 (nominal)
100
110
> 20 to 44 GHz
90
100
> 44 to 50 GHz 5
81
90
> 300 kHz to 9 GHz
> 10 MHz to 20 GHz
Trace noise
3
4
Spec (-10 to 55 °C)
6
High power, 300 Hz IFBW, Port 1 or port 2
Magnitude (dB rms)
Phase (deg rms)
> 300 kHz to 20 GHz
± 0.004
± 0.07
> 20 to 26.5 GHz
± 0.007
± 0.14
> 26.5 to 32 GHz
± 0.007
± 0.14
> 32 to 50 GHz
± 0.008
± 0.22
Temperature stability
N991x, N992x
N995x
Nominal
Frequency
Magnitude
Phase
≤ 15 GHz
±0.018 dB/ºC
—
> 15 to 26.5 GHz
±0.08 dB/ºC
—
≤ 15 GHz
±0.005 dB/ºC
±0.1 degree/ºC
≤ 25 GHz
±0.03 dB/ºC
±0.3 degree/ºC
> 25 GHz
±0.06 dB/ºC
±0.6 degree/ºC
1. System dynamic range is measured in production with loads on test ports after thru normalization, test port output power high
2. For CAT mode, “Insertion loss (2-port)”, decrease listed dynamic range specifications by 20 dB, as CAT mode IFBW is fixed at 10 kHz. Can obtain full
dynamic range by using S21 measurement in VNA mode with 100 Hz IFBW.
3. <300 kHz: 63 dB nominal; 2 MHz to 9 MHz: 85 dB spec, 90 dB typical.
4. Decrease by 3 dB between 15 to 15.8 GHz for S21.
5. Listed spec applies to S12, decrease by 4 dB for S21.
6. For CAT mode, increase trace noise by a factor of 5.7, as CAT mode IFBW is fixed at 10 kHz. Can use averaging in CAT mode to reduce trace noise or use
VNA mode with 300 Hz IFBW.
07 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable and Antenna Analyzer and Vector Network Analyzer (continued)
Receiver compression
Frequency
Port 1 or port 2, typical, 23 ± 5°C
N991x, N992x
500 MHz to 1 GHz
+10 dBm, 0.15 dB compression
> 1 GHz to 26.5 GHz
+10 dBm, 0.10 dB compression
2 MHz to 50 GHz
+5 dBm, 0.10 dB compression
N995x
Port 1 or port 2 maximum input level
Average CW power
DC
N991x, N992x
+27 dBm, 0.5 watts
±50 VDC
N995x
+25 dBm, 0.32 watts
±40 VDC
Measurement speed
Sweep time
N991x, N992x
N995x
Return loss, 300 kHz to 26.5 GHz, 1-port cal, 1001 points
850 μs /pt
650 μs/pt
Distance-to-fault, 100 meter cable, 1-port cal, 1001 points
850 μs /pt
650 μs/pt
850 μs /pt
580 μs/pt
CAT
VNA
S11 and S21, 30 kHz to 26.5 GHz, enhanced response cal,
100 kHz IF bandwidth, 1001 points
Immunity to interfering signals
+16 dBm (nominal)
08 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due to drift, noise,
compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other industry handheld analyzers.
CalReady, Type-N test ports; applies to N9913/4/5/6/7A and N9925/6/7A 1
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1. Uncertainties shown based on a factory calibration using data-based calibration kits.
09 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of —15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, 85518A or 85519A Type-N (m) 4-in-1 calibration kit, spec
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 2 GHz
2 to 9 GHz
9 to 18 GHz
Directivity
44
42
35
32
Source match
37
36
33
30
Load match
38
37
31
27
Reflection tracking
± 0.050
± 0.060
± 0.070
± 0.100
Transmission tracking
± 0.070
± 0.100
± 0.180
± 0.500
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
10 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, 85054D Type-N (m) calibration kit, spec
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 2 GHz
2 to 8 GHz
8 to 18 GHz
Directivity
40
40
36
34
Source match
38
33
33
27
Load match
37
35
32
27
Reflection tracking
± 0.006
± 0.006
± 0.009
± 0.027
Transmission tracking
± 0.070
± 0.100
± 0.150
± 0.430
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
11 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port QuickCal calibration with load, Type-N (m) device 1
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1. Uncertainties shown based on a factory calibration using data-based calibration kits.
12 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 30-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
CalReady, 3.5 mm test ports; applies to N9918A, N9928A 1
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1. Uncertainties shown based on a factory calibration using data-based calibration kits.
13 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, 85520A or 85521A 3.5 mm (m) 4-in-1 OSLT calibration kit, spec
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 9 GHz
9 to 18 GHz
18 to 26.5 GHz
Directivity
42
36
32
32
Source match
37
30
28
27
Load match
37
30
28
24
Reflection tracking
± 0.035
± 0.130
± 0.140
± 0.210
Transmission tracking
± 0.070
± 0.290
± 0.330
± 0.520
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
14 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9913A/14A/15A/16A/17A/18A and
N9925A/26A/27A/28A (continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, 85052D 3.5 mm calibration kit, spec
Corrected performance (dB)
≤ 0.5 GHz
0.5 to 8 GHz
8 to 20 GHz
20 to 26.5 GHz
Directivity
42
38
36
30
Source match
37
31
28
25
Load match
38
33
29
24
Reflection tracking
± 0.005
± 0.006
± 0.009
± 0.012
Transmission tracking
± 0.070
± 0.135
± 0.320
± 0.500
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
15 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9950A/51A/52A
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, 85056D 2.4 mm calibration kit, spec 1
Corrected performance (dB)
≤ 2 GHz
2 to 20 GHz
20 to 40 GHz
40 to 50 GHz
Directivity
42
34
26
26
Source match
39
30
23
23
Load match
42
34
26
26
Reflection tracking
± 0.002
± 0.029
± 0.080
± 0.075
Transmission tracking
± 0.003
± 0.034
± 0.109
± 0.105
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
16 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Corrected Measurement Uncertainty for N9950A/51A/52A (Continued)
Power level of -15 dBm, 10 Hz IF bandwidth, no averaging, battery saver off, and 60-minute warm-up time. Includes uncertainties due
to drift, noise, compression, and dynamic accuracy. Coverage factor of x1 applied to uncertainties, for ease of comparison with other
industry handheld analyzers.
Full 2-port calibration, N4693A 2.4 mm ECal kit 1
Corrected performance (dB)
10 to 50 MHz
50 MHz to 2 GHz
2 to 10 GHz
10 to 20 GHz
20 to 40 GHz
40 to 50 GHz
Directivity
32
42
49
45
41
36
Source match
25
44
42
37
35
32
Load match
25
43
41
36
34
31
Reflection tracking
± 0.050
± 0.030
± 0.040
± 0.050
± 0.060
± 0.080
Transmission tracking
± 0.118
± 0.038
± 0.047
± 0.065
± 0.091
± 0.134
Transmission uncertainty (S21, S12)
Reflection uncertainty (S11, S22)
1. Uncertainty curves shown are calculated based on ISO GUM methodology. The values in the table are provided for reference only, in accordance to legacy
uncertainty methods.
17 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in this section applies to the capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N9925A, N9926A, N9927A, N9928A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
TDR Cable Measurements
The TDR cable option adds time domain reflectometry (TDR) measurements to FieldFox’s CAT mode. FieldFox’s TDR measurements are
based on an inverse Fourier transform of the frequency-domain data. TDR measurements are useful in not only identifying the location
of faults along cables, but also the nature of the fault. Resistive, inductive and capacitive faults will each have a different response.
These differences help engineers and technicians trouble-shoot line faults.
Measurements: TDR (linear rho) and TDR impedance (ohm)
Y-axis: linear (rho) or impedance (ohm)
X-axis: distance (meters or feet)
VNA Time Domain
In time-domain mode, FieldFox computes the inverse Fourier transform of the frequency-domain data to display reflection or transmission coefficients versus time.
Setup parameters
–– Time: start, stop, center, span
–– Gating: start, stop, center, span, and on/off
–– Number of points, velocity factor, line loss, window shape, independent control for all four traces
Time stimulus modes
Low-pass step
Low-pass step is similar to a traditional time domain reflectometer (TDR) stimulus waveform. It is used to measure
low-pass devices. The frequency-domain data should extend from DC (extrapolated value) to a higher value.
Low-pass impulse
Low-pass impulse response is used to measure low-pass devices.
Bandpass impulse
The bandpass impulse simulates a pulsed RF signal and is used to measure the time domain response of band-limited
devices.
Windows
The windowing function can be used to filter the frequency domain data and thereby reduce overshoot and ringing in the time domain response.
Windows
Minimum, medium and maximum, manual entry of Kaiser Beta and impulse width.
Gating
The gating function can be used to selectively remove reflection or transmission time domain responses. In converting back to the frequency domain the
effects of the responses outside the gate are removed. The results can be viewed with gating on and off, using two traces.
Gate types
Notch, bandpass
Gate shapes
Maximum, wide, normal, minimum
18 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Mixed-Mode S-Parameters
Mixed-mode S-parameters are also known as balanced measurements.
Measurements
Scc11
Common mode reflection
Sdd11
Differential mode reflection
Scd11
Differential mode stimulus, common mode response
Sdc11
Common mode stimulus, differential mode response
FieldFox’s mixed-mode S-parameter measurements require the use of the default factory calibration or a user 2-port calibration. So
the FieldFox analyzer must be equipped with 2-port measurement functionality to measure mixed-mode S-parameters. Mixed-mode
S-parameters are an extension of the VNA capabilities.
Vector Voltmeter (VVM)
With vector voltmeter mode, you can characterize the difference between two measurements easily. The zeroing function allows you to
create a reference signal, and characterize the difference between two device measurements. The results are shown on a large display
in digital format.
N991x, N992x
N995x
Models
Frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9925A
30 kHz to 9 GHz
N9916A, N9926A
30 kHz to 14 GHz
N9917A, N9927A
30 kHz to 18 GHz
N9918A, N9928A
30 kHz to 26.5 GHz
N9950A
300 kHz to 32 GHz
N9951A
300 kHz to 44 GHz
N9952A
300 kHz to 50 GHz
Setup parameters
–– 1-port cable trimming - reflection or S11 measurement, magnitude and phase
–– 2-port transmission - transmission or S21 measurement, magnitude and phase
–– A/B and B/A - ratio of two receivers or channels, magnitude and phase – Need an external signal generator for the A/B or B/A
measurement
–– Frequency (one CW frequency point)
–– IF bandwidth - 10 Hz to 100 kHz
–– Output power - Low or high
19 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Ratio accuracy (A/B and B/A)
Must zero, before measuring DUT. Recommend using a high-quality power splitter or 6 dB attenuators to minimize uncertainty due to
mismatch.
Frequency (dB)
Nominal
100 kHz to 300 kHz 1
± 1.0
300 kHz to 1 MHz
± 0.4
1 MHz to 100 MHz
± 0.2
100 MHz to 300 MHz
± 0.4
300 MHz to 1.5 GHz
± 0.6
1.5 GHz to 2 GHz
± 1.0
1. Does not apply to N995x models, which start at 300 kHz.
20 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer
The specifications in this section apply to the spectrum analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Frequency and Time Specifications
N991x, N993x
N995x, N996x
Models
Frequency range
N9913A
100 kHz to 4 GHz
Usable to 5 kHz
N9914A
100 kHz to 6.5 GHz
Usable to 5 kHz
N9915A, N9935A
100 kHz to 9 GHz
Usable to 5 kHz
N9916A, N9936A
100 kHz to 14 GHz
Usable to 5 kHz
N9917A, N9937A
100 kHz to 18 GHz
Usable to 5 kHz
N9918A, N9938A
100 kHz to 26.5 GHz
Usable to 5 kHz
N9950A, N9960A
9 kHz to 32 GHz
Usable to 5 kHz
N9951A, N9961A
9 kHz to 44 GHz
Usable to 5 kHz
N9952A, N9962A
9 kHz to 50 GHz
Usable to 5 kHz
The spectrum analyzer is tunable to 0 Hz or DC.
21 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Frequency reference
-10 to 55 °C
Accuracy
± 0.7 ppm (spec) + aging
± 0.4 ppm (typical) + aging
Accuracy, when locked to GPS
± 0.010 ppm (spec)
Aging Rate
± 1 ppm/yr for 20 years (spec), will not exceed ± 3.5 ppm
Frequency readout accuracy (start, stop, center, marker)
± (readout frequency x frequency reference
accuracy + RBW centering + 0.5 x horizontal
resolution
Horizontal resolution = frequency span / (trace
points – 1) RBW centering:
–– 5% x RBW, FFT mode (nominal)
–– 16% x RBW, step mode (nominal)
Marker frequency counter
Accuracy
± (marker frequency x frequency reference accuracy + counter resolution)
Resolution
1 Hz
Frequency Span
Spec
Range
0 Hz (zero span), 10 Hz to maximum frequency range of instrument
Resolution
1 Hz
Accuracy
± (2 x RBW centering + horizontal resolution)
Sweep acquisition, span > 0 Hz
Spec
Range
1 to 5000. Number of data acquisitions per measurement. Value is normalized to the minimum
required to achieve amplitude accuracy with CW signals.
± (2 x RBW centering + horizontal resolution) for
detector = Normal
Auto coupled. For pulsed RF signals manually increase the sweep acquisition value to maximize the
pulse spectrum envelope.
Resolution
1
Sweep time readout
Measured value of the time required to complete a sweep from start to finish, including time to tune
receiver, acquire data, and process trace.
Trace update
N991x, N993x
N995x, N996x
Span = 20 MHz, RBW, VBW = 3 kHz
1.2 updates per second
8 updates per second
Span = 100 MHz, RBW, VBW autocoupled
4.1 updates per second
19 updates per second
22 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Sweep time, zero span
Nominal
Range
N991x, N993x: 1 μs to 1000 s
N995x, N996x: 1 μs to 6000 s
Resolution
100 ns
Readout
Entered value representing trace horizontal scale range
Trigger (for zero span and FFT sweeps)
Trigger type
Free run, external, video, RF burst
Trigger slope
Positive edge, negative edge
Trigger delay
Range: -150 ms to 10 s
Resolution: 100 ns
Auto trigger
Forces a periodic acquisition in the absence of a trigger event
Range: 0 (off) to 10 s
Trigger position (zero span)
Controls horizontal position of the pulse edge; use sweep time to zoom into pulse edge
Range: 0 to 10, integer steps; 0 is left edge of graticule, 10 is right edge of graticule
RF burst trigger
Nominal
Dynamic range
40 dB
Bandwidth
20 MHz
Operating frequency range
20 MHz to maximum instrument frequency
Sweep (trace) point range
All spans
101, 201, 401, 601, 801, 1001 (defaults to 401); arbitrary 2 to 10,001 settable by front panel
Arbitrary 2 to 10,001 settable through SCPI
Resolution bandwidth (RBW)
Range (-3 dB bandwidth)
Zero span
10 Hz to 5 MHz
1, 3, 10 sequence
Non-zero span
1 Hz to 5 MHz
1, 1.5, 2, 3, 5, 7.5, 10 sequence < 300 kHz, 300 kHz,
1 MHz, 3 MHz, 5 MHz
Step keys change RBW in 1, 3, 10 sequence
Selectivity (−60 dB / −3 dB)
4:1
Bandwidth accuracy
Zero span
Non-zero span
Nominal
10 Hz to 1 MHz
± 5%
3 MHz
± 10%
5 MHz
± 15%
1 Hz to 100 kHz
± 1%
300 kHz to 1 MHz
± 5%
3 MHz
± 10%
5 MHz
± 15%
1 Hz to 5 MHz
1, 1.5, 2, 3, 5, 7.5, 10 sequence
Video bandwidth (VBW)
23 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Amplitude Accuracy and Range Specifications
Amplitude range
Measurement range
DANL to +20 dBm
Input attenuator range
0 to 30 dB, in 5 dB steps
Preamplifier
Nominal
Frequency range
Full band (100 kHz to maximum frequency of instrument)
Gain
N991x, N993x
+20 dB, 100 kHz to 26.5 GHz
N995x, N996x
+20 dB, 100 kHz to 7.5 GHz
+15 dB, > 7.5 to 50 GHz
Max safe input level
Average CW power
DC
N991x, N993x
+ 27 dBm, 0.5 watts
± 50 VDC
N995x, N996x
+ 25 dBm, 0.3 watts
± 40 VDC
Display range
Log scale
10 divisions
0.01 to 100 dB/division in 0.01 dB steps
Linear scale
10 divisions
Scale units
dBm, dBmV, dBμV, dBmA, dBμA, W, V, A, dBμV/m, dBμA/m, dBG, dBT
50 MHz absolute amplitude accuracy
10 dB attenuation, input signal 0 to -35 dBm, peak detector, preamplifier off, 300 Hz RBW, all settings auto-coupled, -10 to 55 °C. No warm-up
required.
Spec (-10 to 55 °C)
Typical (-10 to 55 °C)
N991x, N993x
± 0.30 dB
± 0.10 dB
N995x, N996x
± 0.45 dB
± 0.20 dB
Total absolute amplitude accuracy (dB)
10 dB attenuation, input signal -15 to -5 dBm, peak detector, preamplifier off, 300 Hz RBW, all settings auto-coupled, includes frequency response
uncertainties. No warm-up required.
N991x, N993x
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
100 kHz to 18 GHz
± 0.80
± 1.00
± 0.35
± 0.50
> 18 to 26.5 GHz
± 1.00
± 1.20
± 0.50
± 0.60
N995x, N996x
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
> 9 to 100 kHz
± 1.6
± 2.5
± 0.6
± 1.3
> 100 kHz to 2 MHz
± 1.3
± 1.9
± 0.6
± 0.6
> 2 to 15 MHz
± 1.0
± 1.2
± 0.3
± 0.3
> 15 MHz to 32 GHz
± 0.8
± 1.0 2
± 0.3
± 0.4
> 32 to 40 GHz
± 0.9
± 1.4
± 0.5
± 0.5
> 40 to 43 GHz
± 1.3
± 2.0
± 0.5
± 0.5
> 43 to 50 GHz
± 1.4
± 2.7
± 0.5
± 0.9
1
1. Also, applies for preamplifier on or off for these models, for measurement frequencies >100 kHz.
2. Increase by 0.2 dB between 18 and 32 GHz.
24 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Resolution bandwidth switching uncertainty
Nominal
RBW < 5 MHz
0.0 dB
For signals not at center frequency
0.7 dB peak-to-peak
RF input VSWR
N991x, N993x (10 dB attenuation)
N995x, N996x (0 dB attenuation)
Nominal
10 MHz to 2.7 GHz
1.7 : 1
> 2.7 to 7.5 GHz
1.5 : 1
> 7.5 to 26.5 GHz
2.2 : 1
10 to 100 MHz
2.0 : 1
> 100 to 500 MHz
1.7 : 1
> 500 MHz to 17 GHz
1.5 : 1
> 17 to 50 GHz
2.2 : 1
Reference level
Range
-210 to + 90 dBm
Traces
Detectors
Normal, positive peak, negative peak, sample, average (RMS)
States
Clear/write, max hold, min hold, average, view, blank
Number of averages: 1 to 10,001
Number
4: all four can be active simultaneously and in different states
Markers
Number of markers
6
Type
Normal, delta, marker table
Marker functions
Noise, band power, frequency counter
Audio beep
Volume and tone change with signal strength
Marker table
Display 6 markers
Marker to �
Peak, next peak, peak left, peak right, center frequency, reference level, minimum
Tune frequency, for AM/FM tune and listen
Marker properties
Peak criteria: peak excursion, peak threshold
Delta reference fixed: Off or On
Time zero fixed: Off or On
25 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Displayed Average Noise Level (DANL) Specifications
Displayed average noise level (DANL) - (dBm)
Input terminated, RMS detection, log averaging, 0 dB input attenuation, reference level of -20 dBm, normalized to 1 Hz RBW
N991x, N993x
Preamp off
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
2 MHz to 4.5 GHz 1
-137
-135
-139
-138
> 4.5 to 7 GHz
-133
-131
-136
-130
> 7 to 13 GHz
-129
-127
-132
-130
> 13 to 17 GHz
-124
-122
-126
-125
> 17 to 22 GHz
-119
-117
-122
-121
> 22 to 25 GHz
-114
-111
-117
-114
> 25 to 26.5 GHz
-110
-108
-112
-111
Preamp on
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
2 MHz to 4.5 GHz 1
-153
-151
-155
-154
> 4.5 to 7 GHz
-149
-147
-151
-150
> 7 to 13 GHz
-147
-145
-149
-148
> 13 to 17 GHz
-143
-141
-145
-144
> 17 to 22 GHz
-140
-139
-143
-142
> 22 to 25 GHz
-134
-132
-137
-134
> 25 to 26.5 GHz
-128
-126
-131
-129
Preamp off
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 kHz to 2 MHz
-91
-91
-118
-118
> 2 MHz to 2.1 GHz
-137
-135
-143
-141
> 2.1 to 2.8 GHz
-135
-133
-142
-140
> 2.8 to 4.5 GHz
-137
-135
-143
-141
> 4.5 to 7 GHz
-134
-133
-140
-138
> 7 to 13 GHz
-134
-132
-141
-139
> 13 to 22 GHz
-132
-129
-140
-137
> 22 to 35 GHz
-130
-127
-137
-134
> 35 to 40 GHz
-122
-119
-132
-129
> 40 to 46 GHz
-119
-116
-126
-123
> 46 to 50 GHz
-117
-112
-124
-120
Preamp on
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
9 kHz to 2 MHz
-94
-94
-131
-130
> 2 MHz to 2.1 GHz
-153
-151
-159
-158
> 2.1 to 2.8 GHz
-151
-149
-157
-155
> 2.8 to 4.5 GHz
-153
-151
-158
-156
> 4.5 to 7 GHz
-150
-149
-156
-154
> 7 to 13 GHz
-146
-144
-152
-150
> 13 to 22 GHz
-142
-139
-149
-147
> 22 to 35 GHz
-141
-139
-147
-145
> 35 to 40 GHz
-136
-132
-144
-141
> 40 to 46 GHz
-131
-128
-138
-135
> 46 to 50 GHz
-126
-123
-135
-132
N995x, N996x
1. Add 4 dB between 2.1 and 2.8 GHz.
26 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Residual responses (dBm)
Input terminated, preamp off, 0 dB attenuation
N991x, N993x
N995x, N996x
Nominal
100 kHz to 13 GHz
−110
> 13 to 20 GHz
−90
> 20 to 26.5 GHz
−80
100 kHz to 10 MHz
-90
> 10 MHz to 1 GHz
−115
> 1 to 30 GHz
−120
> 30 to 35 GHz
−85
> 35 to 50 GHz
−110
Input related responses (dBc)
N991x, N993x
Nominal
N995x, N996x
Nominal
−30 dBm signal at mixer input
(excludes frequencies listed below)
−80
−80
< 2.6 GHz, f + 2 x 33.75 MHz
–80
–80
< 2.6 GHz, f – 2 x 866.25 MHz
–80
–80
< 2.6 GHz, f + 2 x 3.63375 MHz
–85
–90
≥ 2.6 to 7.5 GHz, f + 2 x 33.75 MHz
–80
–80
≥ 2.6 to 7.5 GHz, f + 2 x 866.25 MHz
–80
–80
≥ 2.6 to 7.5 GHz, f + 2 x 9.86625 GHz
–80
–85
≥ 7.5 to 16.3 GHz, f + 2 x 3.63375 GHz
–65
–65
≥ 16.3 to 26.5 GHz, f – 2 x 3.63375 GHz
–60
—
≥ 7.5 to 26.5 GHz, f + 2 x 33.75 MHz
–80
—
≥ 7.5 to 26.5 GHz, f – 2 x 866.25 MHz
–80
—
≥ 16.3 to 23 GHz, f – 2 x 3.63375 MHz
—
–60
≥ 23 to 32.5 GHz, f + 2 x 3.63375 MHz
—
–65
≥ 32.5 to 43 GHz, f – 2 x 3.63375 MHz
—
–55
≥ 7.5 to 50 GHz, f – 2 x 866.25 MHz
—
–80
≥ 7.5 to 50 GHz, f + 2 x 33.75 MHz
—
–80
LO related spurs
−60 dBc
−60 dBc
Sideband
−80 dBc
−80 dBc
f = center frequency
Other spurious responses
Second harmonic distortion (SHI)
N991x, N993x
N995x, N996x
1. -30 dBm signal at mixer input
Nominal 1
≤ 4 GHz
< −60 dBc
> 4 GHz
< −80 dBc
≤ 1.3 GHz
< −75 dBc
> 1.3 GHz
< −60 dBc
27 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Third order intermodulation distortion (TOI) – (dBm)
Spec
Typical
N991x, N993x
At 2.4 GHz, +15 dBm
< 1 GHz, +10
1 to 7.5 GHz, +15
> 7.5 GHz, +21
N995x, N996x
At 2.4 GHz, +15 dBm
50 to 500 MHz, +9.5
> 500 MHz to 1 GHz, +13
> 1 to 2.4 GHz, +16
> 2.4 to 2.6 GHz, +12
> 2.6 GHz, +13
Spur free dynamic range
N991x, N993x
N995x, N996x
At 2.4 GHz
2/3 (TOI – DANL) in 1 Hz RBW
>105 dB nominal
> 104 dB nominal
Nominal distortion and noise limited (10 Hz RBW) dynamic range
Applies to N991x and N993x
Applies to N995x and N996x
28 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Spectrum Analyzer (continued)
Phase noise (dBc/Hz)
Noise sidebands, CF = 1 GHz
Offset
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
10 kHz
−106
−106
−111
−111
30 kHz
−106
−104
−108
−110
100 kHz
−100
−99
−104
−105
1 MHz
−110
−110
−113
−113
3 MHz
−119
−118
−122
−122
5 MHz
−120
−120
−123
−123
Phase noise at different center frequencies (nominal)
Dynamic range versus offset frequency versus RBW (nominal)
29 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Tracking Generator or Independent Source
The specifications in this section apply to the tracking generator or independent source capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Note: Traditional tracking generators track the receiver frequency only. In FieldFox analyzers, the tracking generator frequency can be
set to either track the receiver frequency, or act as an independent CW source.
N991x, N993x
N995x, N996x
Models
Tracking generator or independent source frequency range
N9913A
30 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
N9915A, N9935A
30 kHz to 9 GHz
N9916A, N9936A
30 kHz to 14 GHz
N9917A, N9937A
30 kHz to 18 GHz
N9918A, N9938A
30 kHz to 26.5 GHz
N9950A, N9960A
300 kHz to 32 GHz
N9951A, N9961A
300 kHz to 44 GHz
N9952A, N9962A
300 kHz to 50 GHz
Power step size
Power settable in 1 dB steps across power range
Functions
Mode
Continuous wave (CW), CW coupled, tracking (swept frequency)
Operations
Normalization, frequency offset, spectral reversal
RF output VSWR
Nominal
10 MHz to 2.7 GHz
1.7 : 1
> 2.7 GHz to 7.5 GHz
1.5 : 1
> 7.5 GHz
2.2 : 1
30 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Tracking Generator or Independent Source (continued)
Output power (dBm),
maximum
N991x, N993x
N995x, N996x
23 ± 5 °C
Frequency
Typical
30 to 300 kHz
−11
> 300 kHz to 2 MHz
−3
−2
> 2 to 625 MHz
−2
−1
> 625 MHz to 3 GHz
+1
+3
> 3 to 6.5 GHz
−1
+1
> 6.5 to 9 GHz
−2
0
> 9 to 14 GHz
−4
−2.5
> 14 to 18 GHz
−6
−4.5
> 18 to 23 GHz
−10
−8.5
> 23 to 26.5 GHz
−12
−11
300 to 500 kHz
­—
−9
> 500 kHz to 2 MHz
−1
—
> 2 MHz to 1 GHz
2
—
> 1 to 6.5 GHz
2
—
> 6.5 to 18 GHz
4
—
> 18 to 26.5 GHz
2
—
> 26.5 to 39 GHz
1
—
> 39 to 44 GHz
−1
—
> 44 to 46 GHz
−2
—
> 46 to 50 GHz
−4
—
Dynamic range (dB)
N991x, N993x
N995x, N996x
Nominal
Preamp off
Preamp on
Frequency
Typical, −10 to 55 °C
Nominal
2 MHz to 2 GHz
97
112
> 2 to 7 GHz
93
108
> 7 to 11 GHz
88
103
> 11 to 16 GHz
79
95
> 16 to 21 GHz
71
86
> 21 to 23 GHz
55
70
> 23 to 25 GHz
50
65
> 25 to 26.5 GHz
45
60
500 kHz to 2 MHz
79
100
> 2 MHz to 2.1 GHz
101
115
> 2.1 to 2.8 GHz
99
112
> 2.8 to 4.5 GHz
101
115
> 4.5 to 10 GHz
99
105
> 10 to 18 GHz
88
95
> 18 to 40 GHz
85
90
> 40 to 43 GHz
65
80
> 43 to 50 GHz
73
76
31 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The capabilities listed in this section apply to the spectrum analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Spectrum Analyzer IF Output
Description
Center Frequency
33.75 MHz
IF bandwidth
5 MHz (default), 25 MHz
Connector
SMB male
Conversion loss
0 to 27 dB nominal
The loss increases approximately linearly as frequency increases, with ~27 dB loss at 26.5 GHz. Conversion loss is
defined from RF input to SA output with −10 dBm input power, 0 dB attenuation, and preamp off.
AM/FM Tune and Listen
Description
Audio demodulation types
AM, FM narrow, FM wide
Audio bandwidth
16 kHz
Receiver IF bandwidth
AM
35 kHz
FM narrow
12 kHz
FM wide
150 kHz
Listen time range
0 to 100 seconds
Preamplifier
Nominal
Frequency range
Full band (100 kHz to maximum frequency of instrument)
Gain
N991x, N993x
+20 dB, 100 kHz to 26.5 GHz
N995x, N996x
+20 dB, 100 kHz to 7.5 GHz
+15 dB, > 7.5 to 50 GHz
32 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The capabilities listed in this section apply to the interference analyzer capabilities available in the following models:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Interference Analyzer and Spectrogram
Interference analyzer
Spectrogram
Overlay, full screen, top, or bottom with active trace
Waterfall
Markers
Time, delta time
Trace playback and recording
Record all spectrum analyzer measurements
Store data internally or on USB or SD card
Playback recorded data using FieldFox
Frequency mask trigger allows recording to occur upon trigger
Spectrum Analyzer Time Gating
With time gating, you can measure the spectrum of a periodic signal during a specified time interval. Pulsed-RF signals are an example
of a periodic signal that can be measured with time gating. For example, you can measure the pulse during the on period, not the
transition or the off period. Or you can exclude interfering signals such as a periodic transient. Time gating allows you to view spectral
components that would otherwise be hidden. FieldFox’s time gating method is a Gated FFT.
Description
Gate method
Gated FFT
Span range
Any span
RBW range
1 Hz to 300 kHz (derived from gate width)
Gate delay range
-150 ms to 10 s
Gate width (length) range
6 μs to 1.8 s
Gate sources
External, RF burst, Video
33 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Reflection Measurements (RL, VSWR)
The capabilities listed in this section apply to the spectrum analyzer capabilities available in the following models:
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
The capabilities listed in this section apply to the reflection measurements in the following models: FieldFox microwave spectrum
analyzers: N9935A, N9936A, N9937A, N9938A, N9960A, N9961A, N9962A
Models
Reflection Measurements
N9935A
30 kHz to 9 GHz
N9936A
30 kHz to 14 GHz
N9937A
30 kHz to 18 GHz
N9938A
30 kHz to 26.5 GHz
N9960A
300 kHz to 32 GHz
N9961A
300 kHz to 44 GHz
N9962A
300 kHz to 50 GHz
Measurements
Return loss, VSWR Normalization using data/memory
Radio standards
With a radio standard applied, pre-defined frequency bands, channel numbers or uplink / downlink selections can be used instead of
manual frequency entry. The pre-defined FieldFox radio standards include bands such as W-CDMA, LTE, and GSM. Alternately, users
can create custom standards and import them into FieldFox analyzers.
34 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA)
ERTA specifications apply to the following FieldFox models. The RF & microwave analyzers must be equipped with the spectrum
analyzer option.
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave spectrum analyzers: N
9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
ERTA operation requires two FieldFoxes, each one configured with specific options, and certain accessories. Refer to the FieldFox
Configuration Guide for detailed ordering information http://literature.cdn.keysight.com/litweb/pdf/5990-9836EN.pdf.
System Description
ERTA can be used to measure the scalar transmission gain or loss of an RF system. It is useful when measuring long lossy cables where
the two ends cannot easily be brought together, such as those bolted in on ships or aircrafts. It is also useful in measuring the insertion
loss of waveguide systems, or using the frequency-offset feature, devices such as mixers and converters.
ERTA measurements are based on two FieldFoxes; one at each end of the measured DUT. One FieldFox is the source and reference
receiver (R), while the other is the measurement receiver (B). The two FieldFoxes are synchronized using hardware triggering. By taking
advantage of FieldFox’s InstAlign technique, ERTA can be used to make accurate gain or loss measurements.
35 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
DUT
Frequency Range
The ERTA frequency range is limited by each individual analyzer’s frequency range.
Models
Reflection Measurements
Receiver frequency range 1
N9913A
30 kHz to 4 GHz
100 kHz to 4 GHz
N9914A
30 kHz to 6.5 GHz
100 kHz to 6.5 GHz
N9915A, N9935A
30 kHz to 9 GHz
100 kHz to 9 GHz
N9916A, N9936A
30 kHz to 14 GHz
100 kHz to 14 GHz
N9917A, N9937A
30 kHz to 18 GHz
100 kHz to 18 GHz
N9928A, N9938A
30 kHz to 26.5 GHz
100 kHz to 26.5 GHz
N9950A, N9960A
300 kHz to 32 GHz
300 kHz to 32 GHz
N9951A, N9961A
300 kHz to 44 GHz
300 kHz to 44 GHz
N9952A, N9962A
300 kHz to 50 GHz
300 kHz to 50 GHz
Frequency Reference Accuracy
Refer to the frequency accuracy specifications on page 21.
1. The receiver (spectrum analyzer) is usable to 5 kHz, though only specified to 100 kHz.
36 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Frequency Setup Parameters
Receiver frequency
Center/span or start/stop (standard spectrum analyzer settings)
Reverse receiver sweep direction (default direction is forward, but can be set to reverse)
Source frequency [Remote]
[Tracking] – FieldFox source tracks the receiver by default. The frequencies are identical.
[CW] – FieldFox’s source can be set to a CW frequency independent of FieldFox’s receiver frequency.
FieldFox’s source is at a single CW frequency; FieldFox’s receiver is swept.
[Coupled CW] – FieldFox’s source CW frequency is auto-coupled to FieldFox’s receiver [Center
Frequency] setting.
Frequency-offset Capability
This feature allows the FieldFox’s source frequency to be offset from FieldFox’s receiver frequency. The offset frequency can be
negative, zero, or positive. The frequency-offset capability is useful when characterizing the scalar transmission response of devices
such as mixers and converters.
Frequency-offset Setup Parameters
Receiver frequency
Center/span or start/stop (standard spectrum analyzer settings)
Receiver frequency span is always equal to source frequency span.
Frequency tracking offset
On/Off
Offset values: 0, >0, <0
Receiver sweep direction
Reversal: Off
Default setting
Both source and receiver sweep in the forward direction. Receiver stop frequency > Receiver start
frequency Source frequency = Offset + Receiver frequency
Reversal: On
Source and receiver sweep in opposite directions.
Source frequency = Offset − Receiver frequency
Offset > receiver frequency
FieldFox’s Source Output Power
Refer to the test port output power typical data on page 5.
37 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Dynamic Range and Maximum Attenuation
Dynamic range is the difference between the maximum output power available from FieldFox’s source and the noise floor of the second
FieldFox, while ensuring that neither FieldFox’s ADC goes into over-range. Dynamic range also accounts for the loss of the power
splitter. Dynamic range is applicable when testing devices such as filters, where there is low loss in the passband, and significant loss
in the stopband, and both passband and stopband need to be on the display at the same time (same sweep).
Maximum attenuation is the difference between maximum output power available from FieldFox’s source and the noise floor of
FieldFox. It also accounts for the loss of power splitter. Maximum attenuation is applicable when testing devices such as cables, which
have relatively uniform loss over the swept frequency range.
The values shown below are based on the recommended minimum RBW of 3 kHz when the frequency references are locked via GPS,
and 300 kHz when the frequency references are unlocked. Locking the frequency references to GPS allows for greater frequency
accuracy of the FieldFoxes and use of a narrower RBW, which in turn results in a lower DANL, and hence a wider measurement range.
When the GPS signals cannot be present at all times, the GPS hold-over mode can be used.
38 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Extended Range Transmission Analysis (ERTA) (continued)
Typical (23 ± 5 ºC) – (dB)
Dynamic range
Preamp Off
Preamp On
Preamp Off
Preamp On
N991x, N993x
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 MHz 1 to 6 GHz
88
83
68
63
> 6 to 13 GHz
86
83
66
63
> 13 to 22 GHz
70
86
50
66
> 22 to 25 GHz
63
83
43
63
> 25 to 26.5 GHz
58
77
38
57
Maximum attenuation
Preamp Off
Preamp On
Preamp Off
Preamp On
N991x,N993x
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 MHz to 6 GHz
93
108
73
88
> 6 to 13 GHz
86
103
66
83
> 13 to 22 GHz
70
91
50
71
> 22 to 25 GHz
63
83
43
63
> 25 to 26.5 GHz
58
77
38
57
Dynamic range
Preamp Off
Preamp On
Preamp Off
Preamp On
N995x, N996x
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 MHz to 5 MHz
83
87
62
58
> 5 MHz to 11 GHz
93
97
69
68
> 11 to 19 GHz
95
96
71
70
> 19 to 22 GHz
93
94
69
68
> 22 to 40 GHz
88
90
63
65
> 40 to 43 GHz
82
89
57
64
> 43 to 46 GHz
81
93
56
68
> 46 to 50 GHz
77
88
52
63
Maximum attenuation
Preamp Off
Preamp On
Preamp Off
Preamp On
N995x, N996x
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
locked to GPS, RBW 3 kHz
Frequency references
unlocked, RBW 300 kHz
Frequency references
unlocked, RBW 300 kHz
> 2 MHz to 13 GHz
100
113
74
88
> 13 to 18 GHz
101
110
76
85
> 18 to 22 GHz
99
108
74
83
> 22 to 35 GHz
95
105
70
80
> 35 to 40 GHz
88
100
63
75
> 40 to 46 GHz
81
93
56
63
> 46 to 50 GHz
77
88
52
63
Typical (23 ± 5 ºC) – (dB)
Typical (23 ± 5 ºC) – (dB)
Typical (23 ± 5 ºC) – (dB)
1. Dynamic range is decreased from 3 to 9 dB at 2 MHz.
39 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Cable Correction
Input and output jumper cable losses can be accounted for using ERTA’s cable correction wizard.
Absolute Power and Gain Measurement Uncertainties
Verified with input level of -10 dBm, peak detector, 10 dB attenuation, preamplifier off, all settings auto-coupled, no warm-up required.
Includes frequency response uncertainties. Assumes an ERTA system using a Keysight 11667A, 11667B, or 11667C power splitter.
N9913A/14A/15A/16A/17A/18A and N9935A/36A/37A/38A
Input power (R) measurement uncertainty, 30 kHz RBW
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.10 dB
± 1.30 dB
± 0.40 dB
± 0.50 dB
> 18 to 26.5 GHz
± 1.40 dB
± 1.50 dB
± 0.50 dB
± 0.60 dB
Output power (B) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.00 dB
± 1.20 dB
± 0.40 dB
± 0.50 dB
> 18 to 26.5 GHz
± 1.20 dB
± 1.40 dB
± 0.50 dB
± 0.60 dB
Output power (B) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.00 dB
± 1.30 dB
± 0.40 dB
± 0.50 dB
> 18 to 26.5 GHz
± 1.40 dB
± 1.60 dB
± 0.50 dB
± 0.60 dB
Gain/Loss (B/R) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.30 dB
± 1.70 dB
± 0.60 dB
± 0.70 dB
> 18 to 26.5 GHz
± 1.70 dB
± 2.10 dB
± 0.70 dB
± 0.90 dB
Gain/Loss (B/R) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.40 dB
± 1.70 dB
± 0.70 dB
± 0.70 dB
> 18 to 26.5 GHz
± 2.00 dB
± 2.10 dB
± 0.90 dB
± 1.00 dB
40 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
N9950A/51A/52A and N9960A/61A/62A
Input power (R) measurement uncertainty, 30 kHz RBW
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
2 MHz to 18 GHz
± 1.10 dB
± 1.30 dB
± 0.50 dB
± 0.60 dB
> 18 to 32 GHz
± 1.20 dB
± 1.50 dB
± 0.50 dB
± 0.70 dB
> 32 to 40 GHz
± 1.30 dB
± 1.80 dB
± 0.60 dB
± 0.80 dB
> 40 to 43 GHz
± 1.60 dB
± 2.30 dB
± 0.70 dB
± 1.10 dB
> 43 to 50 GHz
± 1.70 dB
± 3.20 dB
± 0.80 dB
± 1.40 dB
Output power (B) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 0.40 dB
± 1.00 dB
± 0.40 dB
± 0.50 dB
> 18 to 26.5 GHz
± 0.45 dB
± 1.30 dB
± 0.40 dB
± 0.60 dB
> 32 to 40 GHz
± 0.50 dB
± 1.50 dB
± 0.50 dB
± 0.70 dB
> 40 to 43 GHz
± 0.80 dB
± 2.30 dB
± 0.70 dB
± 1.00 dB
> 43 to 50 GHz
± 0.90 dB
± 3.00 dB
± 0.80 dB
± 1.40 dB
Output power (B) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.00 dB
± 1.10 dB
± 0.40 dB
± 0.50 dB
> 18 to 26.5 GHz
± 1.20 dB
± 1.50 dB
± 0.50 dB
± 0.60 dB
> 32 to 40 GHz
± 1.60 dB
± 1.90 dB
± 0.60 dB
± 0.80 dB
> 40 to 43 GHz
± 2.10 dB
± 2.50 dB
± 0.70 dB
± 1.30 dB
> 43 to 50 GHz
± 2.60 dB
± 3.60 dB
± 1.00 dB
± 1.60 dB
Gain/Loss (B/R) measurement uncertainty, frequency references locked to GPS, RBW ≥ 3 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.40 dB
± 1.70 dB
± 0.60 dB
± 0.70 dB
> 18 to 26.5 GHz
± 1.50 dB
± 2.00 dB
± 0.70 dB
± 0.90 dB
> 32 to 40 GHz
± 1.60 dB
± 2.30 dB
± 0.80 dB
± 1.00 dB
> 40 to 43 GHz
± 2.20 dB
± 3.10 dB
± 1.00 dB
± 1.40 dB
> 43 to 50 GHz
± 2.40 dB
± 4.00 dB
± 1.20 dB
± 1.90 dB
Gain/Loss (B/R) measurement uncertainty, frequency references unlocked, RBW ≥ 300 kHz
Spec (23 ± 5 ºC)
Spec (-10 to 55 ºC)
Typical (23 ± 5 ºC)
Typical (-10 to 55 ºC)
100 kHz to 18 GHz
± 1.40 dB
± 1.70 dB
± 0.70 dB
± 0.70 dB
> 18 to 26.5 GHz
± 1.80 dB
± 2.10 dB
± 0.80 dB
± 1.00 dB
> 32 to 40 GHz
± 2.10 dB
± 2.80 dB
± 1.00 dB
± 1.30 dB
> 40 to 43 GHz
± 2.70 dB
± 3.50 dB
± 1.40 dB
± 1.70 dB
> 43 to 50 GHz
± 3.00 dB
± 4.80 dB
± 1.60 dB
± 2.40 dB
41 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The specifications in the sections that follow apply to these FieldFox analyzers:
–– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
–– FieldFox microwave vector network analyzers: N
9925A, N9926A, N9927A, N9928,
N9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
Built-in Power Meter
Using the built-in power meter, FieldFox is able to make very accurate channel power measurements. The channel bandwidth can be
set wide to simulate average power meter measurements. This measurement function provides the flexibility to make user definable
channel power measurements.
–– Setup parameters:
–– Center frequency, including selection of radio standards and channel selection, span or channel width
–– Functions:
–– Relative/absolute measurements, offsets, units of dBm or watts, or dB or %, minimum and maximum limits
Models
Frequency Range
N9913A
100 kHz to 4 GHz
Usable to 5 kHz
N9914A
100 kHz to 6.5 GHz
Usable to 5 kHz
N9915A, N9925A, N9935A
100 kHz to 9 GHz
Usable to 5 kHz
N9916A, N9926A, N9936A
100 kHz to 14 GHz
Usable to 5 kHz
N9917A, N9927A, N9937A
100 kHz to 18 GHz
Usable to 5 kHz
N9918A, N9927A, N9937A
100 kHz to 26.5 GHz
Usable to 5 kHz
N9950A, N9960A
9 kHz to 32 GHz
Usable to 5 kHz
N9951A, N9961A
9 kHz to 44 GHz
Usable to 5 kHz
N9952A, N9962A
9 kHz to 50 GHz
Usable to 5 kHz
Amplitude Accuracy (dB)
N991x, N993x
Spec (23 ± 5 ºC)
Spec (23 to ± 5 ºC)
Typical (—10 to 55 ºC)
Typical (—10 to 55 ºC)
100 kHz to 18 GHz
± 0.80
± 0.35
± 1.00
± 0.50
> 18 to 26.5 GHz
± 1.00
± 0.50
± 1.20
± 0.60
N995x, N996x
Spec (23 ± 5 °C)
Spec (-10 to 55 °C)
Typical (23 ± 5 °C)
Typical (-10 to 55 °C)
> 9 to 100 kHz
± 1.60
± 2.50
± 0.60
± 1.30
> 100 kHz to 2 MHz
± 1.30
± 1.90
± 0.60
± 0.60
> 2 to 15 MHz
± 1.00
± 1.20
± 0.30
± 0.30
> 15 MHz to 32 GHz
± 0.80
± 1.00 1
± 0.30
± 0.40
> 32 to 40 GHz
± 0.90
± 1.40
± 0.50
± 0.30
> 40 to 43 GHz
± 1.30
± 2.00
± 0.50
± 0.50
> 43 to 50 GHz
± 1.40
± 2.70
± 0.50
± 0.90
1. Increase by 0.2 dB between 18 and 32 GHz.
42 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
External USB Power Sensor Support
The external USB power sensor option supports various Keysight USB power sensors. For an up-to-date listing of the supported power
sensors, visit http://www.keysight.com/find/fieldfoxsupport.
–– Setup parameters:
–– Frequency
–– Functions:
–– Relative/absolute measurements, offsets, units of dBm or watts, or dB or %, minimum and maximum limits
–– Internal source:
–– FieldFox’s internal source can be turned on in the USB power sensor mode. CW frequency and nominal power level control are
available.
Pulse Measurements
FieldFox’s pulse measurement option can be used to characterize RF pulses such as those used in radar and electronic warfare
systems. Measurements are made using FieldFox and Keysight’s USB peak power sensors.
Performance specifications such as frequency, dynamic range and minimum pulse width depend on the peak power sensor. Supported
peak power sensors: www.keysight.com/find/usbsensorsforfieldfox
–– Setup parameters:
–– Frequency, time (center), time/division, gating, triggering, video bandwidth, averaging
–– Functions:
–– Average power, peak power, and peak to average ratio
–– Analog gauge display and digital display, dBm and watts
–– Relative/absolute measurements, offset, dB or %, minimum and maximum limits
–– Trace graph for pulse profiling with gating
–– Rise time, fall time, pulse width, pulse period, pulse repetition frequency
USB Power Sensor Measurements Versus Frequency
This feature allows FieldFox’s source frequency to be set independently from the power sensor (receiver) frequency. With frequency-offset using power sensor (FOPS), the frequency of both the source and receiver are swept, and the two track each other. The offset
frequency can be negative, zero, or positive.
FOPS can be used to characterize the scalar transmission response of devices such as mixers and converters. This frequency-offset
capability is necessary for conversion loss/gain measurements on frequency-translating devices, since by definition, the input and
output frequencies of the DUT are different. The FieldFox source stimulates the DUT and the power sensor is used as the measurement
receiver.
Since power sensors are inherently broadband devices (not frequency-selective), the user should ensure that only the signal of interest
is present at the power sensor input and that all others signals are filtered appropriately.
Setup parameters
Source frequency
Center/span or start/stop
Receiver frequency
Range determined by power sensor range
Frequency offset
Positive offset or negative offset
Frequency step size
30 kHz minimum
Number of points
2 to 1601
Combination of number of points and frequency step size limited by span.
Dwell time/point
0 to 1.0 sec
43 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
USB Power Sensor Measurements Versus Frequency (continued)
Source frequency span must be equal to receiver frequency span.
Receiver sweep direction: forward (default setting) or reverse.
For some DUTs, the output frequency may sweep in a reverse direction, as compared to the source frequency. The basic relationships
between the source, receiver and offset frequencies are shown in the table below. The FieldFox analyzer includes an offset calculator
that ensures a fast measurement setup.
Src sweep direction
Rx sweep direction
Frequency calculations
Forward f2src > f1src
Forward f2rx > f1rx
Receiver frequency = Source frequency ± Offset
Forward f2src > f1src
Reverse f2rx > f1rx
Receiver frequency = Offset — Source Frequency Offset > Source frequency
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
Measurements
Source power, gain/loss and receiver (Rx) power
Gain = Rx power / source power (memory). Source power (memory) is measured during setup.
Dynamic range
Output power: See FieldFox source specs on page 5.
Dynamic range: The dynamic range with FOPS is dependent on FieldFox’s output power and the power sensor’s dynamic range.
Supported USB power sensors: www.keysight.com/find/fieldfoxsupport
Dynamic range example
The graph below shows a filter measurement using two different power sensors, the U2002A (—60 to +20 dBm) and the U2021XA (—45
to +20 dBm). While a filter is not commonly measured using FOPS, it is a useful device for demonstrating dynamic range.
For both measurements, the FieldFox source power was set to —1 dBm, the maximum available in the selected frequency range of 7.25
to 13.25 GHz. An external amplifier was not used in this case, but one can be added to increase the source power and hence dynamic
range.
Example showing typical dynamic range of FOPS
44 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Built-In GPS Receiver
Description
GPS receiver
The internal GPS receiver can be used as a frequency reference. 1
Modes
Off, internal, external
Sync clock
On, off
Functionality
Geo-location: latitude, longitude, altitude (elevation), time, sync time/data
Requires external GPS antenna (can use N9910X-825, GPS active antenna)
Connector for antenna
SMA (f), 3.3 V
1. External GPS USB receivers can be used to provide geo-location data. However, they cannot be used for frequency reference locking.
DC Bias Variable-Voltage Source
Description
Nominal
Connector SMB (m)
SMB (m)
Voltage
+1 to +32 V
Resolution
0.1 V
Maximum current
1
0.01 A
Maximum power
0.65 A
0.01 A
1
7 watts
Display read out
Voltage, current
Overload trip protection
Yes, automatically engages when voltage source is on
Trip circuit can be reset from front panel without presetting or power cycling the analyzer
1. Battery life will be reduced when DC source is used. A trip function turns off the power supply when the rated current or power is exceeded.
Remote Control Capability
Option 030 adds remote control capability to FieldFox analyzers, so that FieldFox can be controlled via an iOS device. The FieldFox
app, running on the iOS device, combined with Option 030 on the FieldFox analyzer provides full control of the instrument from a
remote location. The app emulates the front panel of FieldFox, so users can press the FieldFox hardkeys or softkeys using their iPhone
or iPad, and make measurements remotely.
For example, a tower climber can be on the tower with a FieldFox analyzer, while the technician controls and makes the measurements
down below, using an iPad. The iPad and FieldFox communicate via a network connection.
iOS device requirements
–– iPad, iPhone, or iPod Touch
–– iOS of 6.1 or higher
–– A WiFi or 3G/4G connection
The FieldFox app communicates with FieldFox via a network connection, so both the iOS device and FieldFox need to be on a network
where both devices can reach the other. For example, a company intranet or a site installation using a wireless router. FieldFox can
directly be connected to a LAN cable, or if wired LAN is not available, a user supplied wireless router can be configured to work with
FieldFox. FieldFox does not include a wireless router.
45 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
FieldFox app without Option 030
The FieldFox app can be installed on an iOS device independent of the presence of Option 030 on the analyzer. Without Option 030,
users can view the live display screen of their FieldFox remotely, but cannot control the instrument. With 030 purchased and installed
on their FieldFox, users can both view and control their FieldFox. Control refers to the ability to press hardkeys, softkeys, make or
change measurements, etc.
Option 030 does not include the iOS device itself. Users must supply their own iOS device. Option 030 is a license on the FieldFox
analyzer.
Option 030 and the FieldFox app are not applicable to Android, BlackBerry, or Windows phone/tablet devices.
General Information
Calibration cycle
1 year
Weight
N991x, N992x, N993x
3.0 kg or 6.6 lbs including battery
N995x, N996x
3.2 kg or 7.1 lbs including battery
Dimensions: H x W x D
292 x 188 x 72 mm
11.5” x 7.4” x 2.8”
Environmental
MIL-PRF-28800F Class 2
Operating temperature
Storage temperature
Operating humidity
Random vibration
Functional shock
Bench drop
Maximum humidity
5% to 95%, non-condensing to temperatures up to 31 ºC decreasing linearly to 50% rH at 40 ºC
Altitude – operating
9144 m or 30,000 ft (using battery)
Altitude – Non-operating
5,240 m or 50,000 ft
Altitude – AC to DC adapter
3000 m or 9840 ft
Ingress protection
This product has been type tested to meet the requirements for ingress protection IP53 in accordance with
IEC/EN 60529 (IP rating for instrument by itself, with no cover).
Temperature range
Operating, AC power, spec
—10 to 55 ºC
14 to 131 °F
Operating, battery, spec
—10 to 50 ºC
14 to 122 °F
Operating, battery, typical
—10 to 55 ºC
14 to 131 °F
Storage, spec
1
—51 to 71 ºC
—60 to 160 °F
1. The battery packs should be stored in an environment with low humidity. Extended exposure to temperature above 45 ºC could degrade battery
performance and life.
46 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
EMC: Complies with the essential requirements of the European EMC Directive as well as current editions of the following standards (dates and
editions are cited in the Declaration of Conformity):
IEC/EN 61326–1
CISPR Pub 11 Group 1, class B
AS/NZS CISPR 11
ICES/NMB–001
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme NMB-001 du Canada.
SAFETY: Complies with the essential requirements of the European Low Voltage Directive as well as current editions of the following standards
(dates and editions are cited in the Declaration of Conformity):
IEC/EN 61010-1
Canada: CSA C22.2 No. 61010-1
USA: UL std no. 61010-1
To find a current Declaration of Conformity for a specific Keysight product, go to: http://www.keysight.com/go/conformity
Explosive environment
This product has been type tested to meet the requirements for operation in explosive environments
in accordance with MIL-STD-810G, Method 511.5, Procedure I.
Power supply
External DC input
15 to 19 VDC, 40 watts maximum when battery charging
External AC power adapter
Efficiency level IV
Input
100 to 250 VAC, 50 to 60 Hz, 1.25 to 0.56 A
Output
15 VDC, 4 A
Power consumption
14 watts typical, mode dependent
Battery
Lithium ion
10.8 V, 4.6 A-h
Operating time
3.5 hours (typical), mode dependent
Charge time: A fully discharged battery takes about 1.5 hours to recharge to 80%. Four hours to 100%.
Discharge temperature limits
—10 to 60 ºC, ≤ 85% RH
Charge temperature limits
0 to 45 ºC, ≤ 85% RH
Storage temperature limits
—20 to 50 ºC, ≤ 85 % RH
The battery packs should be stored in an environment with low humidity. Extended exposure to
temperature above 45 ºC could degrade battery performance and life.
Test port connectors
Models ≤ 18 GHz
Type-N (f)
26.5 GHz models
3.5 mm (m) for FieldFox Combo Analyzer N9918A and FieldFox VNA N9928A. On FieldFox SA N9938A,
you may choose 3.5 mm (m) or Type-N (f). Type-N (f) port connector is not available for the combo or
VNA 26.5 GHz analyzers.
Models ≥ 32 GHz
NMD 2.4mm (m), torque .9 Nm or 8 in-lb, use torque wrench 8710-2789
Display
6.5” transflective color VGA-LED backlit
Headphone jack connector
3.5 mm (1/8 inch) miniature audio jack
47 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
USB-A, 2-ports
Hi-speed USB 2.0
Mini USB, 1 port
N991x, N992x, N993x
Hi-speed USB 2.0; provided for future use
N995x, N996x
Hi-speed USB 2.0
Used for SCPI programming; USBTMC (USB IEEE488)
Keyboard
USB keyboards are supported (user must supply their own keyboard)
LAN
Connector
RJ-45
Used for programming, data saving, remote control, and connection to DataLink software
N991x, N992x, N993x
100/10 base-T (auto switching)
N995x, N996x
1000/100/10 base-T (auto switching)
SCPI over LAN using sockets and VX11 (LAN IEEE488); HTTP
Programming
SCPI, using the built-in LAN interface
Languages
English, Spanish, German, Italian, French, Russian, Japanese, Chinese, Turkish, and Portuguese
Preset
User preset for both mode preset and complete system preset
Limit lines
The limit line capabilities listed in this section apply to the cable and antenna analyzer, network analyzer and spectrum analyzer modes in all FieldFox
analyzers.
Limit lines can be a combination of horizontal lines, sloping lines, or discrete data points
Limit types: Fixed or relative
Each trace can have its own limit line
Limit lines can be built from a current trace
Limit segments > 100, limited by memory size
Max limit line number of points: 10,001
Beep: Beep off, Beep on fail, Beep on pass
Pass/fail warning: on/off
Offset and margin: An increase or decrease in the limit line
Save/recall limit lines
Data storage
Internal
Internal Minimum: 4 GB
Minimum states and traces: 1000
External
Supports USB 2.0 compatible memory devices and SD/SDHC memory cards
Data types
Trace, trace+state, picture (png), data (csv), S2P
Secure operation
Frequency blanking
For protection of sensitive data all frequency information can be turned off.
Erase user data
All user data can be erased on a FieldFox analyzer. For more information visit:
http://www.keysight.com/find/securefieldfox
48 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
General Information (continued)
Reference out/trigger out
Connector
SMB (m), 50 Ω
Output amplitude
≥ 0 dBm
Frequency
10 MHz (1 + frequency reference accuracy)
Trigger out
Reserved for future use; currently only used for ERTA 2-box handshaking
Reference in/trigger in
Connector
SMA(f), 50 Ω
Reference input
10 MHz, —5 to +10 dBm
Trigger input
3.3 or 5 V TTL logic levels
49 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
Carry Precision With You
Every piece of gear in your field kit had to prove its worth. Measuring up and earning
a spot is the driving idea behind Keysight’s FieldFox analyzers. They’re equipped to
handle routine maintenance, in-depth troubleshooting and anything in between.
Better yet, FieldFox delivers precise microwave measurements—wherever you need
to go. Add FieldFox to your kit and carry precision with you.
Related literature
Publication number
FieldFox Handheld Analyzers, Configuration Guide
5990-9836EN
FieldFox Handheld Analyzers, Technical Overview
5992-0772EN
FieldFox N9923A RF Vector Network Analyzer, Technical Overview
5990-5087EN
FieldFox N9923A RF Vector Network Analyzer, Data Sheet
5990-5363EN
FieldFox N9912A RF Analyzer, Technical Overview
5989-8618EN
FieldFox N9912A RF Analyzer, Data Sheet
N9912-90006
Download application notes, watch videos, and learn more:
www.keysight.com/find/fieldfox
myKeysight
www.keysight.com/find/mykeysight
A personalized view into the information most relevant to you.
Three-Year Warranty
www.keysight.com/find/ThreeYearWarranty
Keysight’s commitment to superior product quality and lower total cost
of ownership. The only test and measurement company with three-year
warranty standard on all instruments, worldwide.
Keysight Assurance Plans
www.keysight.com/find/AssurancePlans
Up to five years of protection and no budgetary surprises to ensure your
instruments are operating to specification so you can rely on accurate
measurements.
www.keysight.com/go/quality
Keysight Technologies, Inc.
DEKRA Certified ISO 9001:2008
Quality Management System
Keysight Infoline
www.keysight.com/find/service
Keysight’s insight to best in class information management. Free access to
your Keysight equipment company reports and e-library.
For more information on Keysight
Technologies’ products, applications or
services, please contact your local Keysight
office. The complete list is available at:
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For other unlisted countries:
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Get the best of both worlds: Keysight’s measurement expertise and product
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This information is subject to change without notice.
© Keysight Technologies, 2014, 2015
Published in USA, September 1, 2015
5990-9783EN
www.keysight.com
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