Keysight N9912A FieldFox RF Analyzer 2 MHz to 4/6 GHz

Keysight N9912A FieldFox RF Analyzer 2 MHz to 4/6 GHz
Keysight N9912A
FieldFox RF Analyzer
2 MHz to 4/6 GHz
Data Sheet
Documentation Warranty
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DFARS/Restricted Rights Notice
If software is for use in the performance of a U.S. Government prime contract or subcontract,
Software is delivered and licensed as “Commercial computer software” as defined in DFAR 252.2277014 (June 1995), or as a “commercial item” as defined in FAR 2.101(a) or as “Restricted computer
software” as defined in FAR 52.227-19 (June 1987) or any equivalent agency regulation or contract
clause. Use, duplication or disclosure of Software is subject to Keysight Technologies’ standard
commercial license terms, and non-DOD Departments and Agencies of the U.S. Government will
receive no greater than Restricted Rights as defined in FAR 52.227-19(c)(1-2) (June 1987). U.S.
Government users will receive no greater than Limited Rights as defined in FAR 52.227-14 (June
1987) or DFAR 252.227-7015 (b)(2) (November 1995), as applicable in any technical data.
2
Table of Contents
Cable and Antenna Analyzer............................................................................ 4
Network Analyzer (Option 303) ....................................................................... 8
Time Domain (Option 010) .............................................................................. 9
Spectrum Analyzer (Option 230 and 231) ....................................................13
Preamplifier (Option 235) ..............................................................................22
Interference Analyzer (Option 236)...............................................................22
Channel Power Meter (Option 311) ..............................................................23
External USB Power Sensor Support (Option 302) .....................................23
Power Sensor Measurements vs. Frequency (Option 208) ........................23
Pulse Measurements (Option 330) ...............................................................25
Remote Control Capability (Option 030) ......................................................25
General Information .......................................................................................26
Supported Cal Kits ........................................................................................29
Definitions
Specification (spec.)
Warranted performance. Specifications include guardbands to account for the expected statistical performance distribution,
measurement uncertainties, and changes in performance due to environmental conditions. The following conditions must be
met:
 FieldFox has been turned on at least 90 minutes
 FieldFox is within its calibration cycle
 Storage or operation at 25°C ±5 °C range (unless otherwise stated)
Typical (typ.)
Expected performance of an average unit over a 20 °C to 30 °C temperature range after being at ambient temperature for two
hours, unless otherwise indicated; does not include guardbands. It is not covered by the product warranty. The FieldFox must
be within its calibration cycle.
Nominal (nom.)
A general, descriptive term or design parameter. It is not tested, and not covered by the product warranty.
Calibration
The process of measuring known standards to characterize an instrument's systematic (repeatable) errors.
Corrected (residual)
Indicates performance after error correction (calibration). It is determined by the quality of calibration standards and how well
"known" they are, plus system repeatability, stability, and noise.
Uncorrected (raw)
Indicates instrument performance without error correction. The uncorrected performance affects the stability of a calibration.
3
Cable and Antenna Analyzer
Specification
Description
Typical
10 minute
warm up
Supplemental Information
90 minute
warm up
Frequency Range
Option 104
2 MHz to 4 GHz
Option 106
2 MHz to 6 GHz
Frequency Reference
Accuracy
±2 ppm
±2 ppm
±1 ppm/yr
±1 ppm/yr
±1 ppm over 0 to 55 ºC
±1 ppm
Aging Rate
Temperature Stability
Frequency Resolution
2 MHz to 1.6 GHz
2.5 kHz
> 1.6 GHz to 3.2 GHz
5 kHz
> 3.2 GHz to 6 GHz
10 kHz
Resolution (Number of data points)
101, 201, 401, 601, 801,
1001, 1601, 4001, 10001
Custom number of points
can be set using SCPI
Measurement Speed
Return Loss
1.75 GHz – 3.85 GHz,
1001 points, Cal ON
1.5 ms/point (nominal)
DTF
0 to 500 ft, 601
points, Cal ON
2.4 ms/point (nominal)
Output Power (RF Out Port)
High
2 MHz to 4 GHz
< +8 dBm, +6 dBm (nominal)
> 4 GHz to 6 GHz
< +7 dBm, +2 dBm (nominal)
Low (Typically 31 dB below high power)
2 MHz to 4 GHz
< –23 dBm, –25 dBm (nominal)
> 4 GHz to 6 GHz
< –24 dBm, –25 dBm (nominal)
Immunity to Interfering Signals
+16 dBm (nominal)
4
Cable and Antenna Analyzer (continued)
Specification
Description
Typical
10 minute warm up
90 minute warm up
Directivity
Corrected with OSL calibration 1
Corrected with QuickCal (Option 111)
>42 dB
>42 dB
3
≥42 dB
Raw
2 MHz to 3.5 GHz
> 20 dB
> 3.5 GHz to 6 GHz
> 14 dB
Source Match
Corrected with OSL calibration 1
Corrected with QuickCal (Option 111)
> 36 dB
> 36 dB
3
≥35 dB
Raw
2 MHz to 3 GHz
> 25 dB
> 3 GHz to 6 GHz
> 16 dB
Reflection Tracking
Corrected with OSL calibration 1
Corrected with QuickCal (Option 111)
±0.06 dB
±0.06 dB
3
±0.15 dB
Reflection Dynamic Range
Reflection (RF Out port) (High power out)
2 MHz to 4 GHz
60 dB
> 4 GHz to 6 GHz
55 dB
Maximum Measurable Cable Loss Using 1–Port CAT Measurement Model 2
Refl Dyn Range /2
Transmission Dynamic Range(Option 110)
300 Hz IF Bandwidth
2 MHz to 2 GHz
72 dB
> 2 GHz to 3 GHz
67 dB
> 3 GHz to 5 GHz
58 dB
> 5 GHz to 6 GHz
49 dB
Return Loss
Display Range
Resolution
0 to 100 dB
0.01 dB
VSWR
Display Range
1 to 500
Resolution
0.01
5
Cable and Antenna Analyzer (continued)
Cable Loss
Display Range
0 to 100 dB
Resolution
0.01 dB
Specification
Supplemental Information
Range = [(number of points – 1) /
frequency span * 2] * velocity factor *
speed of light
Number of points auto coupled according to start and
stop distance entered
Resolution = Range / (number of
points – 1)
Number of points settable by user
Description
Distance–to–Fault
Horizontal Range
Horizontal
Resolution
Bandpass Mode
Window Types
1
Maximum, medium, and minimum windows
Using recommended calibration kits.
2
Higher cable losses can be measured using transmission or S21 measurements. Cable losses measured in transmission
mode limited by transmission dynamic range.
3
QuickCal is performed with the connect LOAD step.
Figure 1: CAT Mode, Type–N Calibration Kit – Magnitude (Specification)
6
Cable and Antenna Analyzer (continued)
Figure 2: CAT Mode, QuickCal – Magnitude (Typical)
Figure 3: CAT Mode, Preset Cal – Magnitude (Typical)
7
Network Analyzer (Option 303)
The following CAT mode performance parameters apply to NA mode: frequency accuracy, frequency resolution, output power,
directivity, source match, reflection tracking, and reflection and transmission dynamic range. NA mode performance that is in
addition to CAT mode is listed in the table below.
Description
Specification
Supplemental Information
2 MHz to 4 GHz
Option 104
2 MHz to 6 GHz
Option 106
Frequency Range
Measurement Speed
S11: 1.75 GHz – 3.85
GHz, 1001 Points, Cal ON
1.5 ms/point (nominal)
S21: 1.78 GHz – 2.06
GHz, 201 Points, Cal ON
1.9 ms/point (nominal)
S11 Phase Uncertainty1
See Figure 5 on
following page
Display Range
–180º to +180º
System Impedance
50Ω (nominal)
1
75Ω with appropriate adapter and Cal Kit
Using recommended calibration kits.
Description
Measurements
Information
S11 magnitude and phase
S21 magnitude (option 110)
A receiver magnitude
R receiver magnitude
Formats
Log magnitude, Linear magnitude
Available ONLY for S11:
VSWR, Phase, Smith Chart, Polar, Group delay, Unwrapped phase
Resolution
(Number of data points)
101, 201, 401, 601, 801, 1001, 1601, 4001, 10001
Averaging
Sweep and point averaging; 2 to 999 points.
Number of traces
Four traces available. Tr1, Tr2, Tr3, Tr4
Data markers
Each trace has six independent markers that can be displayed simultaneously. Delta
markers are available for each marker.
Marker formats
Default marker format is the trace format. In Smith chart or polar format,
Custom number of points can be set using SCPI
[Real +Imag] or [Mag and Phase] formats are also available.
Marker functions
Peak, Next Peak, Peak Left, Peak Right, Mkr→ Center, Min Search, Peak Excursion, Peak
Threshold, Target, Bandwidth, Tracking
Display formats
Single-trace
Dual-trace overlay (both traces on one graticule)
8
Dual-trace split (each trace on separate graticules)
Three-trace overlay (all three traces on one graticule)
Three-trace split (each trace on separate graticules)
Quad-trace split (each trace on separate graticules)
Display data
Display data, memory, data and memory, or data math
Trace math
Vector division or subtraction of current linear measurement values and memory data.
Scale
Autoscale, scale, reference level, reference position
Autoscale: Automatically selects scale resolution and reference value to center the trace.
Autoscale all scales all visible traces.
Title
Add custom titles to the display.
Limit lines
Define test limit lines that appear on the display for go/no go testing. Lines may be any
combination of horizontal, sloping lines, or discrete data points. Each trace can have its
own limit line.
Limit Lines can be Fixed, Relative to center frequency and reference level, and can be built
from existing traces.
Time Domain (Option 010)
Using time domain, data from transmission or reflection measurements in the frequency domain are converted to the time
domain. The time-domain response shows the measured parameter value versus time.
Description
Information
Time stimulus modes
Low-pass step
Similar to a traditional time domain reflectometer (TDR) stimulus waveform, Low-pass step
is used to measure low-pass devices. The frequency-domain data should extend from DC
(extrapolated value) to a higher value.
Low-pass impulse
Also used to measure low-pass devices
Bandpass impulse
Stimulates a pulsed RF signal and is used to measure the time-domain response of bandlimited devices
Windowing
Windowing is used to filter the frequency-domain data and thereby reduce overshoot and
ringing in the time-domain response.
Gating
Gating is used to selectively remove reflection or transmission time-domain responses.
When converted back to the frequency domain, the effects of the responses outside the
gate are removed.
9
Network Analyzer (continued)
Figure 4: NA Mode, Type–N Calibration Kit – Magnitude (Specification)
Figure 5: NA Mode, Type–N Calibration Kit – Phase (Specification)
10
Network Analyzer (continued)
Figure 6: NA Mode, QuickCal – Magnitude (Typical)
11
Network Analyzer (continued)
Figure 7: NA Mode, Preset Cal – Magnitude (Typical)
Figure 8: NA Mode, Preset Cal – Phase (Typical)
12
Spectrum Analyzer (Option 230 and 231)
Specification
Supplemental Information
Option 230
100 kHz to 4 GHz
Usable to 5 kHz 1
Option 231
100 kHz to 6 GHz
Usable to 5 kHz 1
Description
FREQUENCY
Frequency Range
Tunable to 6.1 GHz
Frequency Reference
Accuracy
Aging Rate
Temperature Stability
±2 ppm
± 1 ppm/yr
± 1 ppm over –10 to 55 °C
Frequency Readout Accuracy (start, stop, center, marker)
± (readout frequency x frequency
reference accuracy + RBW centering +
0.5 x horizontal resolution)
Horizontal resolution = span/(trace points – 1)
RBW centering :
5% x RBW, FFT mode (nominal)
16% x RBW, Step mode (nominal)
Frequency Span
Range
0 Hz (zero span), 10 Hz to max freq
Accuracy
±(2 x RBW centering + horizontal
resolution)
Resolution
1 Hz
Sweep Time, Span = 0 Hz
Range
Minimum
1.0 us
Maximum
RBW = 2 MHz
2.18 ms
RBW = 1 MHz
3.28 ms
RBW = 300 kHz
5.46 ms
RBW = 100 kHz
16.38 ms
RBW = 30 kHz
54.60 ms
RBW = 10 kHz
163.84 ms
RBW = 3 kHz
546.00 ms
RBW = 1 kHz
1.64 s
RBW = 300 Hz
2.54 s
Resolution
Readout
100.0 ns
Entered value representing trace
horizontal scale range.
1
With signal at center frequency.
13
±(2 x RBW centering +2 x horizontal
resolution) for detector = Normal
Spectrum Analyzer (continued)
Description
Specification
Supplemental Information
1 to 5000. Number of data acquisitions per
trace point. Value is normalized to the
minimum required to achieve amplitude
accuracy with CW signals.
Auto coupled. For pulsed RF signals,
manually increase the sweep
acquisition value to maximize the
pulse spectrum envelope.
Sweep Acquisition, Span > 0 Hz
Range
Resolution
Readout
1
Measured value representing time required to
tune receiver, acquire data, and process trace.
Trigger
Trigger Type
Free Run, Video, External
Trigger Slope
Positive, Negative edge
Trigger Delay
Range
Resolution
Auto Trigger
Auto Trigger Range
0 to 10 sec
100 nsec
Forces a periodic acquisition in the absence
of a trigger event
0 sec (OFF) to 10 sec
Time Gating
Gate Method
Gate Delay Range
Triggered FFT
Same as Trigger Delay
Trace Update
Span = 20 MHz, RBW = 3 kHz
1.5 updates/s (nominal)
Span = 100 MHz, RBW auto
coupled
7 updates/s (nominal)
Span = 6 GHz, RBW auto
coupled
1 update/s (nominal)
Trace Points
101, 201, 401, 601, 801, 1001
(Defaults to 401)
14
Spectrum Analyzer (continued)
Description
Specification
Supplemental Information
Resolution Bandwidth (RBW)
Range (–3 dB bandwidth)
Zero Span
Non–Zero Span
300 Hz to 1 MHz in 1–3–10 sequence; 2 MHz
10 Hz to 300 kHz in 1/1.5/2/3/5/7.5/10
sequence; 1 MHz, 2 MHz
Step keys change RBW in
1–3–10 sequence
Accuracy
1 kHz to 1 MHz
± 5% (nominal)
10 Hz to 100 kHz non–
zero span
± 1% (nominal)
2 MHz
± 10% (nominal)
300 Hz zero span
± 10% (nominal)
Selectivity (–60 dB/ –3 dB)
4:1 (nominal)
Video Bandwidth (VBW)
Range
1 Hz to 2 MHz in 1/1.5/2/3/5/7/10 sequence
Description
VBW ≥ RBW in zero span
Specification
Typical
10 minute warm
up
90 minute warm
up
–88 dBc/Hz
–88 dBc/Hz
30 kHz offset
–89 dBc/Hz
–89 dBc/Hz
100 kHz offset
–95 dBc/Hz
–95 dBc/Hz
1 MHz offset
–115 dBc/Hz
–115 dBc/Hz
Stability
Noise Sidebands, CF = 1 GHz
10 kHz offset
< –85 dBc/Hz
Measurement Range
Displayed average noise level (DANL) to
+20 dBm
Input Attenuator Range
0 to 31 dB
Resolution
1 dB steps
Maximum Safe Input Level
Average Continuous Power
DC
+27 dBm (0.5 W)
±50 VDC
15
Spectrum Analyzer (continued)
Specification
Description
Typical
10 minute warm
up
90 minute warm
up
Displayed Average Noise Level (DANL)
10 Hz RBW, 10 Hz VBW, 50 ohm termination on input, 0 dB attenuation, average detector
Preamplifier OFF
20 to 30 °C:
10 MHz to 2.4 GHz
–130 dBm
> 2.4 GHz to 5.0 GHz
–125 dBm
> 5.0 GHz to 6.0 GHz
–119 dBm
Preamplifier ON (Option 235)
20 to 30 °C:
10 MHz to 2.4 GHz
< –143 dBm
–148 dBm
> 2.4 GHz to 5.0 GHz
< –140 dBm
–145 dBm
> 5.0 GHz to 6.0 GHz
< –132 dBm
–138 dBm
–10 to 55 °C:
10 MHz to 2.4 GHz
< –141 dBm
> 2.4 GHz to 5.0 GHz
< –138 dBm
> 5.0 GHz to 6.0 GHz
< –130 dBm
Display Range
Log Scale
Ten divisions displayed; 0.1 to 1.0
dB/division in 0.1 dB steps, and 1 to 20
dB/division in 1 dB steps
Trace Detectors
Normal, Positive Peak, Negative Peak,
Sample, Average
Trace States
Clear/Write, Max Hold, Min Hold,
Average, View, Blank
Number of Traces
4
Number of Averages
1 to 10,000
Reference Level
Range
Resolution
–170 dBm to +30 dBm
0.1 dB
16
Description
Specification
Typical
10 minute warm
up
Accuracy
0 dB
17
90 minute warm
up
Spectrum Analyzer (continued)
Description
Specification
Typical
10 minute warm
up
90 minute warm
up
Absolute Amplitude Accuracy at 50 MHz
Peak detector, 10 dB attenuation, preamplifier off, RBW < 2 MHz, input signal –5 dBm to –50 dBm, all settings auto–coupled
20 to 30 ºC
±0.8 dB
–10 to 55 ºC
±1.1 dB
±0.8 dB
±0.4 dB
±0.8 dB
Frequency Response
Relative to 50 MHz, Peak detector, 10 dB attenuation, preamplifier off, RBW = 30 kHz, input signal 0 dBm to –50 dBm, all
settings auto–coupled
20 to 30 ºC:
2 MHz to 10 MHz
±1.1 dB
±1.0 dB
±0.5 dB
> 10 MHz to 3.0 GHz
±0.9 dB
±0.6 dB
±0.3 dB
> 3.0 GHz to 5.0 GHz
±1.3 dB
±1.1 dB
±0.5 dB
> 5.0 GHz to 6.0 GHz
±1.5 dB
±1.5 dB
±0.5 dB
–10 to 55 ºC:
2 MHz to 10 MHz
±2.0 dB
±1.0 dB
> 10 MHz to 3.0 GHz
±1.5 dB
±0.6 dB
> 3.0 GHz to 5.0 GHz
±2.0 dB
±1.1 dB
> 5.0 GHz to 6.0 GHz
±2.6 dB
±1.5 dB
Preamplifier ON (Option 235)
20 to 30 ºC:
2 MHz to 10 MHz
±0.7 dB
> 10 MHz to 3.0 GHz
±0.5 dB
> 3.0 GHz to 5.0 GHz
±0.7 dB
> 5.0 GHz to 6.0 GHz
±0.7 dB
–10 to 55 ºC:
2 MHz to 10 MHz
±1.2 dB
> 10 MHz to 3.0 GHz
±0.8 dB
> 3.0 GHz to 5.0 GHz
±1.3 dB
> 5.0 GHz to 6.0 GHz
±1.7 dB
18
Spectrum Analyzer (continued)
Description
Specification
Typical
10 minute
warm up
Supplemental Information
90 minute
warm up
Resolution Bandwidth Switching Uncertainty
RBW < 2 MHz
0.0 dB
0.7 dB peak–to–peak 3
Total Absolute Amplitude Accuracy 1
Peak detector, 10 dB
attenuation, preamplifier off,
RBW < 2 MHz, input signal 0
dBm to –50 dBm, all settings
auto coupled
Absolute
Amplitude at 50
MHz + Frequency
Response 4
20 to 30 ºC:
2 MHz to 10 MHz
±1.8 dB
±1.28 dB
±0.60 dB
> 10 MHz to 3.0 GHz
±1.5 dB
±1.0 dB
±0.50 dB
> 3.0 GHz to 5.0 GHz
±1.9 dB
±1.36 dB
±0.60 dB
> 5.0 GHz to 6.0 GHz
±2.1 dB
±1.7 dB
±0.60 dB
RF Input VSWR
At all attenuation settings
1.5:1 (nominal)
Second harmonic distortion (SHI)
–30 dBm signal at input
mixer 2
2 MHz to 1.35 GHz
< –70 dBc
+40 dBm SHI (nominal)
1.35 GHz to 3.0 GHz
< –80 dBc
+50 dBm SHI (nominal)
Third Order Intermodulation Distortion (TOI)
Two –30 dBm tones at input
mixer
1
With signal at center frequency.
2
Mixer level = RF input level – input attenuation
3
For signals not at center frequency.
< –96 dBc
+18 dBm TOI (nominal)
4
The specification for Total Absolute Amplitude Accuracy is less than the sum of the Absolute Amplitude Accuracy and
Frequency Response specifications because redundant uncertainty is removed.
19
Spectrum Analyzer (continued)
Description
Supplemental Information
Residual Responses
Input terminated, 0 dB attenuation, preamplifier off, RBW ≤ 1 kHz, VBW auto coupled
20 MHz to 3 GHz
–90 dBm (nominal)
> 3 GHz to 6 GHz
–85 dBm (nominal)
Spurious Responses
Input Mixer level –30 dBm
RFsig = RFtune + 417 MHz
–70 dBc (nominal)
RFsig = RFtune + 1.716 GHz
–80 dBc (nominal)
Input Mixer level –10 dBm; First IF Image Response
Rfsig = Rftune – 2 x 0.8346 GHz
for Rftune 5.7 to 6.0 GHz
–50 dBc (nominal)
Sidebands
–80 dBc (nominal)
–60 dBc (nominal) when battery charging,
260 kHz offset
Figure 10
20
Figure 11
Description
Specification
Independent Signal Source or Tracking Generator
The independent source or tracking generator is included with either spectrum analyzer option. The source can be used in
continuous wave (CW) or stimulus/response (S/R) mode. In CW mode, the source frequency is independent of the receiver
frequency. The source can be tuned to a frequency that is different from the receiver. In stimulus/response mode, the source
operates the same as a traditional tracking generator - the receiver tracks the source.
Frequency range
2 MHz to 4 GHz (Option 230) or 2 MHz to 6 GHz (Option 231)
Amplitude
High power
2 MHz to 4 GHz < +8 dBm, +6 dBm (nominal)
>4 GHz to 6 GHz <+7 dBm, +2 dBm (nominal)
Low power
2 MHz to 4 GHz <-23 dBm, -25 dBm (nominal)
>4 GHz to 6 GHz < -24 dBm, -29 dBm (nominal)
Attenuation
0 to 31 dB
Functions
Continuous wave, stimulus / response
Spectrum Analyzer (continued)
Description
Specification
AM/FM Tune and Listen
Audio demodulation types
AM, FM Narrow, FM Wide
21
Supplemental Information
Audio Bandwidth
16 kHz
Receiver IF Bandwidth
AM
35 kHz
FM Narrow
12 kHz
FM Wide
150 kHz
Listen Time Range
0 to 100 sec.
Audio Signal Strength Indicator
Audio Signal Strength Indicator helps locate signals. The tone and frequency
of the beep varies with signal strength.
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. Custom Radio Standards can also be defined, imported, and applied to the FieldFox.
FieldFox Power Suite Measurement types
Channel Power
Occupied Bandwidth
Adjacent Channel Power Ratio
Preamplifier (Option 235)
Description
Specification
Typical
10 minute warm up
Frequency Range
Option 230
100 kHz to 4 GHz
Option 231
100 kHz to 6 GHz
Gain
22 dB
Interference Analyzer (Option 236)
Description
Specification
Display Types
Spectrogram
Overlay, full screen, top, or
bottom with active trace
Waterfall
Markers
Time, delta time
22
Supplemental Information
Channel Power Meter (Option 311)
Channel power meter is a built-in power measurement that application does not require an external power sensor.
Set the center frequency and channel bandwidth. The results are shown on a large analog display.
Description
Specification
Typical
Frequency range:
100 kHz to 4/6 GHz
Power accuracy
2 MHz to 10 MHz
±1.8 dB
±0.60 dB
> 10 MHz to 3.0 GHz
±1.5 dB
±0.50 dB
> 3.0 GHz to 5.0 GHz
±1.9 dB
±0.60 dB
> 5.0 GHz to 6.0 GHz
±2.1 dB
±0.60 dB
External USB Power Sensor Support (Option 302)
The external USB power sensor option supports various Keysight USB Power Sensors.
Supported power sensors: www.keysight.com/find/usbsensorsforfieldfox
Power Sensor Measurements vs. Frequency (Option 208)
This feature allows the FieldFox 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. Range determined by FieldFox.
Receiver frequency:
range determined by power sensor range.
Frequency offset:
0, > 0, < 0
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
Source frequency span must be equal to receiver frequency span.
Receiver sweep direction: forward (default setting) or reverse.
23
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 f2rc > f1src
Forward f2rx > f1rx
Receiver frequency = Source frequency ± Offset
Forward f2src > f1src
Reverse f2rx < f1rx
Receiver frequency = Offset – Source frequency
Offset > Source frequency
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 output power supplemental information 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 0 dBm, the maximum available in the
selected frequency range of 150 to 450 MHz.
24
Pulse Measurements (Option 330)
The FieldFox 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 UBS 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, resolution averaging
Functions:
Average power, peak power, and peak to average ratio, standard and gated
Analog gauge display and digital display, dBm and watts
Relative/absolute measurements, dB or %, minimum and maximum limits
Trace graph for pulse profiling with gating
Rise time, fall time, pulse width, pulse period, pulse repetition frequency
Remote Control Capability (Option 030)
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.
 iOS device requirements
 iPhone, iPad, 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 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.
Option 030 and the FieldFox app are not applicable to Android, BlackBerry, or Windows phone/tablet devices.
25
General Information
Description
Specification
Typical
Supplemental Information
Calibration Cycle
1 Year
Environmental
▪ Keysight Technologies
Environmental
Test manual (ETM) for Outdoor
Equipment1
▪ MIL–PRF–28800F class 2
Altitude – Operating
9,144 m (30,000 ft)
Under battery operation
AC to DC adapter rated at 3000m
Altitude – Non–
Operating
IP Class
15,240 m (50,000 ft)
30
Temperature Range
Operating
AC Power
–10 to 55 °C
Battery
–10 to 50 °C
Storage
–51 to 71 °C
With the battery pack removed.
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.
▪ IEC/EN 61326–2–1
When subjected to continuously
present radiated electromagnetic
phenomena, some degradation of
performance may occur
–10 to 55 °C
EMC
Complies with European
EMC
Directive 2004/108/EC
▪ CISPR Pub 11 Group 1, class A
▪ AS/NZS CISPR 11
▪ ICES/NMB–001
ESD
▪ IEC/EN 61000–4–2
Safety
Complies with European
Low Voltage Directive
2006/95/EC
▪ IEC/EN 61010–1 2nd Edition
▪ Canada: CSA C22.2 No. 61010–1–
04
▪ USA: UL 61010–1 2nd Edition
26
Functional up to 20 kV test 1
General Information (continued)
Description
Specification
Typical
Supplemental Information
Power
Power Supply
External DC Input
15 to 19 VDC
40 W maximum when battery
charging
External AC Power
Adapter
Input
Output
Efficiency Level IV, 115 VAC
100 to 250 VAC, 50 to 60 Hz
1.25 – 0.56 A
15 VDC, 4 A
Power Consumption
On
12 W
Battery
10.8 V, 4.6 A–h
Lithium ion
Operating Time
Charge Time
Discharge Temperature
Limits
4 hours
A fully discharged battery takes
about 1.5 hours to recharge to 80%,
4 hours to 100%
–10 to 60 ºC2, ≤ 85% RH
Charge Temperature
Limits
0 to 45 ºC2, ≤ 85% RH
Storage Temperature
Limits
–20 to 50 ºC2, ≤ 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
Minimum 16 MB
Up to 1000 instrument states and trace
Data Storage
Internal
External
Supports USB 2.0 compatible memory
devices; Supports miniSD and
miniSDHC memory cards
Display
6.5” transflective color VGA LED–
backlit
640 x 480 with anti–glare coating
Weight
2.8 kg (6.2 lbs) including battery
Dimensions (H x W x D)
292 x 188 x 72 mm (11.5” x 7.4”
x 2.8”)
27
General Information (continued)
Description
Specification
Typical
Supplemental Information
Inputs & Outputs
RF Out Port
Connector
Type–N, female
Impedance
50 Ω (nominal)
Damage Level
> +23 dBm, > ±50 VDC
RF In Port
Connector
Type–N, female
Impedance
50 Ω (nominal)
Damage Level
> +27 dBm, > ±50 VDC
LO Emissions
0 dB attenuation,
preamplifier off
Headphone Jack
Connector
–65 dBm (nominal)
3.5 mm (1/8 inch) miniature audio jack
USB
USB–A (2 ports)
Hi–speed USB 2.0
Mini USB (1 port)
Hi–speed USB 2.0
Provided for future use.
100Base-T ONLY
RJ–45 connector
10Base-T is NOT supported
LAN
External Reference /Trigger Input
Connector
BNC female
External Reference
Input Frequency
10 MHz
Input Amplitude
Range
–5 dBm to +10 dBm (nominal)
Impedance
50 Ω (nominal)
Lock Range
±10 ppm of external reference
frequency (nominal)
Trigger Input
Impedance
10 KΩ (nominal)
Level Range
Rising Edge
1.7 V (nominal)
Falling Edge
1 V (nominal)
1 Samples of this product have been type tested in accordance with the Keysight Environmental Test Manual (ETM) for
outdoor equipment (OE) and verified to be robust against the environmental stresses of storage, transportation and end
use ; those stresses include but are not limited to temperature, humidity, shock, vibration, altitude and power line
conditions.
28
2 Charge and discharge temperatures are internal temperatures of the battery as measured by a sensor embedded in the
battery. The Battery screen displays temperature information. To access the screen, select System , Service Diagnostics, and
Battery.
Supported Cal Kits
The following list of calibration kits are loaded in the FieldFox. You can add additional calibration kits to the FieldFox using
FieldFox Data Link Software.
The basic 50-ohm QuickCal does not require cal standards. However, for higher accuracy, perform QuickCal with a load.
75-ohm QuickCal does require a 75-ohm load.
Model number
Description
N9910X-800
3-in-1 OSL calibration kit, DC to 6 GHz, Type-N (m) 50 ohm
N9910X-801
3-in-1 OSL calibration kit, DC to 6 GHz, Type-N (f) 50 ohm
N9910X-802
3-in-1 OSL calibration kit, DC to 6 GHz, 7/16 DIN (m)
N9910X-803
3-in-1 OSL calibration kit, DC to 6 GHz, 7/16 DIN (f)
85031B
Economy calibration kit, DC to 6 GHz, 7 mm
85032E
Economy calibration kit, DC to 6 GHz, Type-N, 50-ohm
85032F
Standard calibration kit, DC to 9 GHz, Type-N, 50-ohm
85033E
Standard calibration kit, DC to 9 GHz, 3.5 mm
85036B
Standard calibration kit, DC to 3 GHz, Type-N 75-ohm
85036E
Economy calibration kit, DC to 3 GHz, Type-N 75-ohm
85038A
Standard calibration kit, DC to 7.5 GHz, 7-16
85039B
Economy calibration kit, DC to 3 GHz, Type-F, 75-ohm
85052D
Economy calibration kit, DC to 26.5 GHz, 3.5 mm
85054B
Standard calibration kit, DC to 18 GHz, Type-N, 50-ohm
85054D
Economy calibration kit, DC to 18 GHz, Type-N, 50-ohm
85514A
Calibration kit, 4-in-1, open, short, load and through, DC to 9 GHz, Type-N(m), 50
85515A
Calibration kit, 4-in-1, open, short, load and through, DC to 9 GHz, Type-N(f), 50
85516A
Calibration kit, 4-in-1, open, short, load and through, DC to 3 GHz, Type-N(m), 75 ohm
85517A
Calibration kit, 4-in-1, open, short, load and through, DC to 3 GHz, Type-N(f), 75 ohm
29
FieldFox Data Link Software
FieldFox Data Link software, installed on a PC, provides the following capabilities:

Capture of current trace and settings

Opening of data files (s1p, s2p, csv, sta, and png)
residing on the instrument

Editing cal kit and cable files on the instrument, or
creating new cal kits and cables

Transferring files to/from the instrument

Annotating plots for documentation purposes

Marker, limit line, and format changes on the PC

Report generation

Printing function
FieldFox Data Link software is available from the following website:
http://www.keysight.com/find/fieldfoxsupport
30
www.keysight.com/find/myKeysight
A personalized view into the information most
relevant to you.
www.axiestandard.org
AdvancedTCA© Extensions for Instrumentation and
Test (AXIe) is an open standard that extends the
AdvancedTCA for general purpose and semiconductor
test. Keysight is a founding member of the AXIe
consortium.
www.lxistandard.org
LAN eXtensions for Instruments puts the power of
Ethernet and the Web inside your test systems.
Keysight is a founding member of the LXI consortium.
www.pxisa.org
www.keysight.com/find/FieldFox
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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This information is subject to change without notice.
© Keysight Technologies 2014
Print Date: Sept.14, 2014
Supersedes: Sept. 9, 2013
N9912-90006
www.keysight.com
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