Discontinued Product Information
— For Support Reference Only —
Information herein, may refer to products/services no longer supported.
We regret any inconvenience caused by obsolete information. For the
latest information on Agilent’s test and measurement products go to:
www.agilent.com/find/products
Agilent Technologies
8712E Series RF Vector
Network Analyzers
Technical Specifications
In the US, call Agilent Technologies at 1-800-829-4444
(any weekday between 8am–5pm in any U.S. time zone)
World-wide Agilent sales office contact information is available at:
www.agilent.com/find/contactus
8712ET and 8712ES 300 kHz to 1.3 GHz
8714ET and 8714ES 300 kHz to 3.0 GHz
This document describes the performance and features of
Agilent’s 50 and 75 ohm 8712E series RF vector network analyzers:
PORT 1
PORT 2
•
•
•
•
8712ET transmission/reflection vector network analyzer,
300 kHz to 1.3 GHz
8712ES S-parameter vector network analyzer,
300 kHz to 1.3 GHz
8714ET transmission/reflection vector network analyzer,
300 kHz to 3.0 GHz
8714ES S-parameter vector network analyzer,
300 kHz to 3.0 GHz
For more information about these analyzers, please read the
following documents:
•
•
8712E Series Brochure: 5967-6316E
8712E Series Configuration Guide: 5967-6315E
Introduction
All specifications and characteristics apply over a 25° C ±5° C range (unless
otherwise stated) and 60 minutes after the instrument has been turned on.
Definitions
Specifications: Warranted performance. Specifications include guardbands to
account for the expected statistical distribution, measurement uncertainties,
and changes in performance due to environmental conditions.
Characteristics: A performance parameter that the product is expected to meet
before it leaves the factory, but is not verified in the field, and is not covered
by the product warranty. A characteristic includes the same guardbands as a
specification.
Typical: Expected performance of an average instrument which does not
include guardbands. It is not covered by the instrument’s warranty.
Nominal: A general, descriptive term that does not imply a level of performance. It is not covered by the instrument’s warranty.
Supplemental information: may include typical, nominal or characteristic values.
Calibration is the process of measuring known standards from a calibration kit
to characterize a network analyzer’s systematic (repeatable) errors.
Corrected (residual) performance: Indicates performance after error correction
(calibration). It is determined primarily by the quality of the calibration
standards and how well “known” they are, plus the effects of system
repeatability, stability, and noise.
Uncorrected (raw) performance: Indicates performance without error
correction (calibration). Uncorrected performance affects the stability of a
calibration — the better the raw performance, the more stable the calibration.
Table of contents
System performance, two-port calibration . . . . . . . . . . . . . . . . . . . 3
System performance, T/R calibration . . . . . . . . . . . . . . . . . . . . . . . 8
System performance, uncorrected . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Test port output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Test port input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2
System Performance, 2-Port Calibration (7-mm, 50 Ω)
8712ES/8714ES
85031B (7-mm, 50 Ω) Cal Kit, User 2-Port Calibration
Specificationa (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking
Transmission Tracking
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
55
51
55
±0.012
±0.033
51
49
51
±0.005
±0.035
Transmission Uncertainty (Specification)a,b
Magnitude
Phase
Reflection Uncertainty (Specification)a
Magnitude
Phase
a. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature
of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
b. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21> 1.0
3
System Performance, 2-Port Calibration (Type-N, 50 Ω)
8712ES/8714ES
85032B/E (Type-N, 50 Ω) Cal Kit, User 2-Port Calibration
Specificationa (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking
Transmission Tracking
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
50
42
50
±0.02
±0.04
47
36
47
±0.02
±0.055
Transmission Uncertainty (Specification)a,b
Magnitude
Phase
Reflection Uncertainty (Specification)a
Magnitude
Phase
a. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature
of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
b. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21> 1.0
4
System Performance, 2-Port Calibration (3.5 mm, 50 Ω)
8712ES/8714ES
85033D (3.5 mm, 50 Ω) Cal Kit, User 2-Port Calibration
Specificationa (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking
Transmission Tracking
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
46
44
46
±0.016
±0.04
43
41
43
±0.008
±0.05
Transmission Uncertainty (Specification)a,b
Magnitude
Phase
Reflection Uncertainty (Specification)a
Magnitude
Phase
a. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature
of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
b. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21> 1.0
5
System Performance, 2-Port Calibration (7-16, 50 Ω)
8712ES/8714ES
85038A (7-16, 50 Ω) Cal Kit, User 2-Port Calibration
Specificationa (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking
Transmission Tracking
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
40
37
40
±0.1
±0.054
40
37
40
±0.09
±0.063
Transmission Uncertainty (Specification)a,b
Magnitude
Phase
Reflection Uncertainty (Specification)a
Magnitude
Phase
a. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
b. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21> 1.0
6
System Performance, 2-Port Calibration (Type-N, 75 Ω)
8712ES/8714ES with Option 1EC a
85036B/E (Type-N, 75 Ω) Cal Kit, User 2-Port Calibration
Specificationb (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking
Transmission Tracking
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
48
41
48
±0.021
±0.042
43
35
43
±0.02
±0.062
Transmission Uncertainty (Specification)b,c
Magnitude
Phase
Reflection Uncertainty (Specification)b
Magnitude
Phase
a. Option 1EC provides 75 Ω system impedance.
b. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature
of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
c. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0
7
System Performance, 2-Port Calibration (Type-F, 75 Ω)
8712ES/8714ES with Option 1EC a
85039B (Type-F, 75 Ω) Cal Kit, User 2-Port Calibration
Specification b (in dB)
Description
Directivity
Source Match
Load Match
Reflection Tracking c
Transmission Tracking c
±0.019
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
38
36
38
±0.033
±0.045
32
30
32
±0.09
Transmission Uncertainty (Specification)b,d
Magnitude
Phase
Reflection Uncertainty (Specification)b
Magnitude
Phase
a. Option 1EC provides 75 Ω system impedance.
b. These specifications apply for measurements made using the “fine” (15 Hz) bandwidth, no averaging, and at an ambient temperature
of 25° ±5° C, with less than 1° C deviation from the calibration temperature.
c. Assumes the use of an 85039B cal kit, and a DUT with a center pin conforming to the 0.77 to 0.86 mm limits.
d. For transmission measurements, the effect of crosstalk is disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0
8
System Performance, T/R Calibration (Type-N, 50 Ω)
8712ES/8714ES
85032B/E (Type-N, 50 Ω) Cal Kit, T/R Calibration
Specificationa (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
50
47
42
42
18
18
±0.02
36
36
15
15
±0.02
±0.040
±0.17
±0.055
±0.3
a. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
b. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0
Transmission Uncertainty: Enhanced Response Calibration (Specification)a,b
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)a,b
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)a
Magnitude
Phase
9
System Performance, T/R Calibration (Type-N, 50 Ω), continued
8712ET/8714ET
85032B/E (Type-N, 50 Ω) Cal Kit, T/R Calibration
Specificationa (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
50
47
42
42
23
18
±0.02
36
36
19
15
±0.02
±0.039
±0.105
±0.052
±0.197
a. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
b. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0
Transmission Uncertainty: Enhanced Response Calibration (Specification)a,b
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)a,b
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)a
Magnitude
Phase
10
System Performance, T/R Calibration (Type-N, 50 Ω), continued
a. Option 1E1 adds a 60 dB step attenuator.
8712ET/8714ET with Attenuator Option 1E1a
85032B/E (Type-N, 50 Ω) Cal Kit, T/R Calibration
Specificationb (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
50
47
42
42
21
18
±0.02
36
36
15
15
±0.02
±0.039
±0.13
±0.055
±0.3
b. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
c. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0.
Transmission Uncertainty: Enhanced Response Calibration (Specification)b,c
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)b,c
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)b
Magnitude
Phase
11
System Performance, T/R Calibration (Type-N, 75 Ω)
a. Option 1EC provides 75 Ω system impedance.
8712ES/8714ES with Option 1EC a
85036B/E (Type-N, 75 Ω) Cal Kit, T/R Calibration
Specificationb (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
48
43
41
41
18
18
±0.021
35
35
15
15
±0.02
±0.042
±0.17
±0.062
±0.3
b. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
c. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0.
Transmission Uncertainty: Enhanced Response Calibration (Specification)b,c
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)b,c
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)b
Magnitude
Phase
12
System Performance, T/R Calibration (Type-N, 75 Ω), continued
8712ET/8714ET with Option 1EC a (without Attenuator)
85036B/E (Type-N, 75 Ω) Cal Kit, T/R Calibration
Specification b (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
48
43
41
41
23
18
±0.021
35
35
19
15
±0.02
±0.04
±0.11
±0.058
±0.2
a. Option 1EC provides 75 Ω system impedance.
b. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
c. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0.
Transmission Uncertainty: Enhanced Response Calibration (Specification)b,c
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)b,c
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)b
Magnitude
Phase
13
System Performance, T/R Calibration (Type-N, 75 Ω), continued
a. Option 1EC provides 75 Ω system impedance. Option 1E1 adds
a 60 dB step attenuator.
8712ET/8714ET with Options 1EC and 1E1a
85036B/E (Type-N, 75 Ω) Cal Kit, T/R Calibration
Specificationb (in dB)
Description
Directivity
Source Match:
Reflection (One-Port Cal)
Transmission (Enhanced Response Cal)
Transmission (Response Cal)
Load Match
Reflection Tracking
Transmission Tracking:
Enhanced Response Cal
Response Cal
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
48
43
41
41
21
18
±0.021
35
35
15
15
±0.02
±0.04
±0.125
±0.062
±0.295
b. These specifications apply for measurements made using the
“fine” (15 Hz) bandwidth, no averaging, and at an ambient
temperature of 25° ±5° C, with less than 1° C deviation from
the calibration temperature.
c. For transmission measurements, the effect of crosstalk is
disregarded and S12=S21 for S21 < 1.0, S12=1/S21 for S21 > 1.0.
Transmission Uncertainty: Enhanced Response Calibration (Specification)b,c
Magnitude
Phase
Transmission Uncertainty: Response Calibration (Specification)b,c
Magnitude
Phase
Reflection Uncertainty: One-Port Calibration (Specification)b
Magnitude
Phase
14
System Performance, Uncorrected
8712ET/ES and 8714ET/ES (Type-N, 50 Ω)
Description
8712ES/8714ES
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
8712ET/8714ET
(without Attenuator)
300 kHz
to 1.3 GHz
8712ET/8714ET
with Attenuator
Option 1E1 a
1.3 GHz
to 3 GHz
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
23
19
15
97
29
21
18
97
21
15
15
97
Specification b (in dB)
Directivityc
Source Match (Ratio)d
Load Matche
Crosstalk f
29
18
18
88
23
15
15
88
29
23
18
97
Typical b (in dB)
Directivityc
Source Match (Ratio)d
Load Matche
Reflection Tracking
Transmission Tracking
Crosstalk f
40
30
42
32
42
32
23
24
±2.0
±2.0
95
20
21
±2.0
±2.0
95
30
24
±1.0
±1.5
105
23
22
±1.0
±1.5
105
26
24
±1.0
±1.5
105
21
22
±1.5
±1.5
105
8712ET/ES and 8714ET/ES with Option 1EC (Type-N, 75 Ω)
Description
8712ES/8714ES
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
8712ET/8714ET
(without Attenuator)
300 kHz
to 1.3 GHz
8712ET/8714ET
with Attenuator
Option 1E1 a
1.3 GHz
to 3 GHz
300 kHz
to 1.3 GHz
1.3 GHz
to 3 GHz
18
19
15
97
27
21
18
97
19
15
15
97
30
23
22
±1.0
±1.0
105
40
24
24
±1.0
±1.5
105
30
20
22
±1.5
±1.5
105
Specification b (in dB)
Directivityc
Source Match (Ratio)d
Load Matche
Crosstalk f
27
18
18
88
19
15
15
88
27
23
18
97
Typical b (in dB)
Directivityc
Source Match (Ratio)d
Load Matche
Reflection Tracking
Transmission Tracking
Crosstalk f
40
23
24
±1.5
±1.5
95
30
20
22
±1.5
±1.5
95
40
28
24
±1.0
±1.0
105
a. Option 1E1 adds a 60 dB step attenuator to the 8712ET/8714ET.
b. These numbers apply for a measurement made using the “fine” bandwidth at an environmental temperature of 25° ±5° C.
c. The uncorrected directivity of a network analyzer is calculated in linear terms by dividing the reflection measurement of an ideal
load by the average of the reflection measurements of an ideal short and an ideal open.
d. The uncorrected source match is the source match of the network analyzer when making a ratioed, uncalibrated measurement.
e. The uncorrected load match is the match of the network analyzer port used on the load side of a measurement.
f. Measured by setting output power to the maximum specified setting, connecting shorts to both ports, and measuring transmission.
Typical and specified crosstalk values are 5 dB worse than those shown in the table below 1 MHz (for all models) and above
2.2 GHz (for 8714ET/ES models).
15
Test Port Output
8712ET/ES and 8714ET/ES Test Port Output
Description
Specification (in dB)
Supplemental Information
Frequency
Range:
8712ET/ES
8714ET/ES
Resolution
Stability
CW Accuracy
300 kHz to 1.3 GHz
300 kHz to 3.0 GHz
1 Hz
±5 ppm, 25° ±5° C
±5 ppm, 0° to 55° C, typical
<1 Hz with 10% change in
line voltage, typical
Signal Purity
Harmonics:
8712ET/ES
8714ET/ES
Nonharmonic Spurious:
8712ET/ES, <50 kHz from carrier
8712ET/ES, >50 kHz from carrier
<–20 dBc at <1 MHz
<–30 dBc at >1 MHz
<–30 dBc
<–25 dBc, characteristic
<–20 dBc at <1 MHz, char.
<–30 dBc at >1 MHz, char.
<–25 dBc, characteristic
<–30 dBc, characteristic
8714ET/ES, <50 kHz from carrier
8714ET/ES, >50 kHz from carrier
Phase Noise (at 10 kHz offset):
8712ET/ES
8714ET/ES
Residual AM (in 100 kHz bandwidth)
Residual FM (30 Hz to 15 kHz)
<–67 dBc/Hz, characteristic
<–67 dBc/Hz, characteristic
<–50 dBc, nominal
<1.5 kHz peak, nominal
Output Power
Level Accuracy:
8712ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8712ES:
50 Ω
75 Ω
8714ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8714ES:
50 Ω
75 Ω
±2.0 dB
±1.0 dB
±3.0 dB
±1.5 dB
±2.0 dB
±3.0 dB
±2.0 dB
±1.0 dB
±3.0 dB at <2 GHz
±1.5 dB at <2 GHz
±3.0 dB at >2 GHz, char.
±1.5 dB at >2 GHz, char.
±2.0 dB
±3.0 dB at <2 GHz
±3.0 dB at >2 GHz, char.
Minimum Power:
8712ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8712ES:
50 Ω
75 Ω
8714ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8712ES:
50 Ω
75 Ω
a. Option 1E1 adds a 60 dB step attenuator.
–60 dBm, nominal
–0 dBm, nominal
–60 dBm, nominal
–3 dBm, nominal
–60 dBm, nominal
–60 dBm, nominal
–60 dBm, nominal
–5 dBm, nominal
–60 dBm, nominal
–8 dBm, nominal
–60 dBm, nominal
–60 dBm, nominal
16
Test Port Output, continued
8712ET/ES and 8714ET/ES Test Port Output
Description
Output Power (continued)
Maximum Power:
8712ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8712ES:
50 Ω
75 Ω
8714ET:
50 Ω: With Attenuator Option 1E1a
Without Attenuator
75 Ω: With Attenuator Option 1E1a
Without Attenuator
8714ES:
50 Ω
75 Ω
Power Resolution
Specification (in dB)
<1 GHz
Supplemental Information
>1 GHz
15 dBm
16 dBm
12 dBm
13 dBm
12 dBm
13 dBm
9 dBm
10 dBm
13 dBm
10 dBm
10 dBm
7 dBm
10 dBm
11 dBm
7 dBm
8 dBm
9 dBm
10 dBm
6 dBm at <2 GHz
7 dBm at <2 GHz
6 dBm at >2 GHz, characteristic
7 dBm at >2 GHz, characteristic
9 dBm
6 dBm
7 dBm
4 dBm at <2 GHz
4 dBm at >2 GHz, characteristic
0.01 dBm
Attenuator Switch Points:
8712ET:
50 Ω:
75 Ω:
8712ES:
50 Ω
75 Ω
8714ET:
50 Ω:
75 Ω:
8714ES:
50 Ω
75 Ω
(All values nominal)
–1, –11, –21, –31, –41, –51 dBm
–4, –14, –24, –34, –44, –54 dBm
–3, –13, –23, –33, –43, –53 dBm
–6, –16, –26, –36, –46, –56 dBm
–6, –16, –26, –36, –46, –56 dBm
–9, –19, –29, –39, –49, –59 dBm
–8, –18, –28, –38, –48, –58 dBm
–11, –21, –31, –41, –51 dBm
8712ET/ES and 8714ET/ES Test Port Output
Description
Nominal (in dBm)
Output Power (continued)
0 dB
Power Sweep Ranges:
8712ET:
50 Ω: With Attenuator Option 1E1 a
Without Attenuator
75 Ω: With Attenuator Option 1E1 a
Without Attenuator
8712ES:
50 Ω
75 Ω
8714ET:
50 Ω: With Attenuator Option 1E1 a
Without Attenuator
75 Ω: With Attenuator Option 1E1 a
Without Attenuator
8714ES:
50 Ω
75 Ω
10 dB
20 dB
Attenuator
30 dB
40 dB
50 dB
60 dB
–1 to Pmax b
0 to Pmax b
–4 to Pmax b
–3 to Pmax b
–11 to 2
–21 to –8
–31 to –18
–41 to –28
–51 to –38
–60 to –48
–14 to –1
–24 to –11
–34 to –21
–44 to –31
–54 to –41
–60 to –51
–3 to Pmax b
–6 to Pmax b
–13 to 0
–16 to –3
–23 to –10
–26 to –13
–33 to –20
–36 to –23
–43 to –30
–46 to –33
–53 to –40
–56 to –43
–60 to –50
–60 to –53
–6 to Pmax b
–5 to Pmax b
–9 to Pmax b
–8 to Pmax b
–16 to –1
–26 to –11
–36 to –21
–46 to –31
–56 to –41
–60 to –51
–19 to –4
–29 to –14
–39 to –24
–49 to –34
–59 to –44
–60 to –54
–8 to Pmax b
–11 to Pmax b
–18 to –3
–21 to –6
–28 to –13
–31 to –16
–38 to –23
–41 to –26
–48 to –33
–51 to –36
–58 to –43
–60 to –46
–60 to –53
–60 to –56
a. Option 1E1 adds a 60 dB step attenuator .
b. Pmax = maximum power
17
Test Port Input
8712ET/ES and 8714ET/ES Test Port Input
Description
Specification
Supplemental Information
Frequency Range
8712ET/ES
Narrowband
Broadband
300 kHz to 1.3 GHz
10 MHz to 1.3 GHz
8714ET/ES
Narrowband
Broadband
300 kHz to 3.0 GHz
10 MHz to 3.0 GHz
Maximum Input Level
8712ET/8714ET
Narrowband
+10 dBm at
0.5 dB compression
Broadband
8712ES/8714ES
Narrowband
+16 dBm at 0.5 dB
compression, characteristic
+10 dBm at
0.5 dB compression
Broadband
+16 dBm at 0.5 dB
compression, characteristic
Damage Level
8712ET/8714ET
+20 dBm; ±30 VDC
8712ES/8714ES
+26 dBm; ±30 VDC
Broadband Flatness
8712ET/ES and
8714ET/ES
±1 dB, characteristic
18
Test Port Input, continued
8712ET/ES and 8714ET/ES Test Port Input
Specification
(in dBm)
Description
Typical
(in dBm)
System Bandwidths:
Fine
(15 Hz)
Fine
(15 Hz)
Med Wide
Wide
(4000 Hz) (6500 Hz)
Noise Floor a
8712ET/8714ET:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
8712ES/8714ES:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
–105
–50
–111
–55
–86
–48
–48
–32
–104
–47
–109
–52
–84
–45
–46
–30
–96
–38
–105
–43
–80
–36
–47
–23
–95
–35
–104
–40
–80
–33
–47
–20
System Dynamic Range b
8712ET:
50 Ω:
With Attenuator Opt.ion 1E1 c:
Narrowband
Broadband (Internal)
Without Attenuator
Narrowband
Broadband (Internal)
75 Ω:
With Attenuator Option 1E1 b,c:
Narrowband
Broadband (Internal)
Without Attenuator
Narrowband
Broadband (Internal)
8714ET:
50 Ω:
With Attenuator Option. 1E1 c:
Narrowband
Broadband (Internal)
Without Attenuator
Narrowband
Broadband (Internal)
75 Ω:
With Attenuator Opt.ion 1E1 b,c:
Narrowband
Broadband (Internal)
Without Attenuator
Narrowband
Broadband (Internal)
(in dB)
115
60
121
67
96
60
58
44
115
62
121
68
96
61
58
45
110
53
118
61
93
54
55
39
113
56
119
62
94
55
56
40
112
57
120
64
95
57
57
41
114
59
121
65
96
58
58
42
107
50
115
58
90
51
52
36
110
53
116
59
91
52
53
37
a. Noise floor is defined as the RMS value of the trace (in linear format) for a transmission measurement in CW frequency mode, with
RF connectors terminated in loads, output power set to 0 dBm, and no averaging. The noise floor specifications and typicals for
narrowband detection measurements assume that an isolation calibration has been performed using an average factor of 16. For the
8712ES/8714ES, external broadband detectors will provide a much lower noise floor than the internal broadband detectors.
b. The System Dynamic Range is calculated as the difference between the receiver noise floor and the minimum of either the source
maximum output (maximum power setting minus output power level accuracy) or the receiver maximum input. System Dynamic
Range applies to transmission measurements only, since reflection measurements are limited by directivity. The System Dynamic
Range for 8714ET/ES 75 Ω analyzers is not a specification for frequencies >2 GHz; it is a characteristic. For the 8712ES/8714ES,
external broadband detectors will provide much more dynamic range than the internal broadband detectors.
c. Option 1E1 adds a 60 dB step attenuator.
19
Test Port Input, continued
8712ET/ES and 8714ET/ES Test Port Input
Specification
(in dB)
Description
Typical
(in dB)
System Bandwidths:
Fine
(15 Hz)
Fine
(15 Hz)
Med Wide
(4000 Hz)
Wide
(6500 Hz)
104
46
115
53
90
46
57
33
99
39
111
47
87
40
54
27
101
43
112
50
87
43
54
30
96
36
108
44
84
37
51
24
115
66
121
71
96
64
58
48
114
63
119
68
94
61
56
46
106
54
115
59
90
52
57
39
105
51
114
56
90
49
57
36
Narrow
(250 Hz)
Narrow
(250 Hz)
Med Wide
(4000 Hz)
Wide
(6500 Hz)
0.01 dB rms
0.03 dB-pp
0.2 deg-pp
0.12 dB-pp
2.5 deg-pp
0.28 dB-pp
3.4 deg-pp
0.01 dB rms
0.01 dB-pp
0.02 dB-pp
0.15 dB-pp
0.01 dB rms
0.02 dB-pp
0.2 deg-pp
0.06 dB-pp
0.8 deg-pp
0.23 dB-pp
1.8 deg-pp
0.01 dB rms
0.01 dB-pp
0.03 dB-pp
0.16 dB-pp
System Dynamic Range a (continued)
8712ES:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
8714ES:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
Receiver Dynamic Range b
8712ET/8714ET:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
8712ES/8714ES:
50 Ω:
Narrowband
Broadband (Internal)
75 Ω:
Narrowband
Broadband (Internal)
Trace Noise c
8712ET/8714ET:
Narrowband:
Magnitude
Phase
Broadband:
Magnitude
8712ES/8714ES:
Narrowband:
Magnitude
Phase
Broadband:
Magnitude
a. The System Dynamic Range is calculated as the difference between the receiver noise floor and the minimum of either the source
maximum output (maximum power setting minus output power level accuracy) or the receiver maximum input. System Dynamic
Range applies to transmission measurements only, since reflection measurements are limited by directivity. The System Dynamic
Range for 8714ET/ES 75 Ω analyzers is not a specification for frequencies >2 GHz; it is a characteristic. For the 8712ES/8714ES,
external broadband detectors will provide much more dynamic range than the internal broadband detectors.
b. The Receiver Dynamic Range is calculated as the difference between the receiver noise floor and the receiver maximum input.
Receiver Dynamic Range applies to transmission measurements only, since reflection measurements are limited by directivity. The
Receiver Dynamic Range for 8714ET/ES 75 Ω analyzers is not a specification for frequencies >2 GHz; it is a characteristic. For the
8712ES/8714ES, external broadband detectors will provide much more dynamic range than the internal broadband detectors.
c. Trace noise is defined for a transmission measurement in CW mode, using a “through” cable having 0 dB loss, with the source set to
0 dBm, and the analyzer’s averaging function turned off.
20
Test Port Input, continued
Dynamic Accuracy (Specification)a,b
8712ET/8714ET:
Magnitude
Phase
Dynamic Accuracy (Specification)a,b
8712ES/8714ES:
Magnitude
Phase
a. Narrowband detection mode
b. The reference power for dynamic accuracy is –20 dBm.
21
Test Port Input, continued
Power Accuracy (Characteristic)a
8712ET/8714ET:
8712ES/8714ES:
Magnitude
Magnitude
10
50 Ω
50 Ω
75 Ω
75 Ω
Accuracy (dB)
Accuracy (dB)
10
1
1
0.1
0 .1
10
0
-1 0
-2 0
-3 0
-4 0
-5 0
10
0
-10
-2 0
-3 0
-4 0
-5 0
Test Port Power (dBm )
T es t P ort Power (d Bm )
Group Delay Accuracy (Specification)b
8712ET/ES and 8714ET/ES
Magnitude
100
1 .3 G H z
Accuracy (nsec)
3 .0 G H z
10
1
0 .1
F u ll T wo P o rt o r E n h an c ed C alibra tio n
0 .0 1
0 .0 1
0 .1
10
100
A p ertu re (MH z )
a. At 30 MHz, broadband mode, internal detectors
b. Valid for 85032B/E (type-N, 50 Ω) and 85036B/E (type-N, 75 Ω) cal kits using either a two-port or enhanced response calibration.
22
General Information
8712ET/ES and 8714ET/ES General Information
Description
Display Range
Magnitude
Phase
Polar
Display Resolution
Magnitude
Phase
Polar
Reference Level Range
Magnitude
Phase
Reference Level Resolution
Magnitude
Phase
Marker Resolution
Magnitude
Phase
Polar
Group Delay Aperture
Magnitude
Phase
Group Delay Range
Specification
200 dB (at 20 dB/div), max
1800° (at 180°/div), max
1 MUnit, max
0.01 dB/div, min
0.1°/div, min
10 µUnit full scale, min
500 dB, max
360°, max
0.01 dB, min
0.01°, min
0.001 dB, min
0.01°, min
0.01 mUnit, min; 0.01°, min
20% of frequency span
Frequency span ÷ (num. of points –1)
1 ÷ (2 x minimum aperture)
System Bandwidths
Wide (6500 Hz)
Medium Wide (4000 Hz)
Medium (3700 Hz)
Medium Narrow (1200 Hz)
Narrow (250 Hz)
Fine (15 Hz)
Supplemental Information
The maximum delay is limited to measuring no more than 180° of
phase change within the minimum aperture.
6500 Hz, nominal
4000 Hz, nominal
3700 Hz, nominal
1200 Hz, nominal
250 Hz, nominal
15 Hz, nominal
23
General Information, continued
8712ET/ES and 8714ET/ES General Information
Description
Rear Panel
Auxiliary Input:
Connector
Impedance
Range
Accuracy
Damage Level
External Trigger In/Out:
Specification
Female BNC
10 kΩ, nominal
±10 V
±3% of reading + 20 mV
>+15 V; <–15 V
Female BNC; open-collector with 681 Ω nom. pullup resistor to +5 V, nominal.
Normally high, pulsed low after each data point is measured.
Damage Level
Limit Test Output:
<–0.2 V; >+5.2 V
Damage Level
User TTL Input/Output:
<–0.2 V; >+5.2 V
Damage Level
External Reference In:
Input Frequency
Input Power
Input Impedance
VGA Video Output
GPIB
X and Y External Detector Inputs
Parallel Port
LAN
RS232
Mini-DIN Keyboard/Barcode Reader
Line Power a:
Frequency
Voltage at 115 V setting
Voltage at 220 V setting
Power
Front Panel
RF Connectors
<–0.2 V; >+5.2 V
Probe Power:
Positive Supply
Negative Supply
General Environmental
RFI/EMI Susceptibility
ESD
Dust
Operating Environment
Temperature
Humidity
Altitude
Storage Conditions
Temperature
Humidity
Altitude
Cabinet Dimensions
Height x Width x Depth
Supplemental Information
Female BNC; open-collector with 681 Ω nom. pullup resistor to +5 V, nominal.
Normally high, pulled low when limit test fails.
Female BNC; open-collector with 681 Ω nom. pullup resistor to +5 V, nominal.
Programmable as: high-sweep output; trigger input; general I/O for IBASIC.
10 MHz, nominal
–5 dBm to +12 dBm, nominal
50 Ω, nominal
15-pin mini D-Sub; female. Firmware supports normal and inverse video color formats.
Type-57, 24-pin; Microribbon female
12-pin circular; female
25-pin D-Sub (DB-25); female
8-pin RJ45; female
9-pin D-Sub (DB-9); male
6-pin mini DIN (PS/2); female
47 Hz to 63 Hz
90 V to 132 V
198 V to 264 V
300 VA, max
115 V, nominal.
230 V, nominal.
230 W, nominal
200 mA, max
250 mA, max
Type-N female; 50 Ω, nominal
(With Option 1EC only: type-N female; 75 Ω, nominal)
3-pin connector; male
+15 V, nominal; 0.75 A fuse, nominal
–12.6 V, nominal; 0.75 A fuse, nominal
Defined by CISPR Pub. 11 and FCC Class B standards.
Minimize using static-safe work procedures and an antistatic bench mat
(part number 9300-0797).
Minimize for optimum reliability.
0° C to +55° C
5% to 95% at +40° C
0 to 4.5 km (15,000 ft.)
–40° C to +70° C
0% to 95% RH at +65° C
(noncondensing)
0 to 15.24 km (50,000 ft.)
Weight
Shipping
Net
a. A third-wire ground is required.
179 x 425 x 514 mm (7.0 x 16.75 x 20.25 in), nominal
Cabinet dimensions exclude front and rear protrusions.
40 kg (88 lb.), nominal
24.4 kg (54 lb.), nominal
24
General Information, continued
Measurement throughput summary
8712ET/ES and 8714ET/ES General Information
Measurement Speed Conditions a
Cal
Type
Number
of Channels
Measurement
Bandwidth (Hz)
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
1-port
2-port
2-port
2-port
2-port
2-port
2-port
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
2
2
2
6500
6500
4000
4000
4000
4000
4000
4000
4000
4000
4000
3700
3700
1200
1200
250
250
15
15
4000
4000
4000
4000
4000
4000
4000
4000
4000
Number
of Points
201
201
11
21
51
101
201
201
401
801
1601
201
201
201
201
201
201
201
201
51
201
1601
51
201
1601
51
201
1601
Typical
Frequency
Span b
Cycle
Time c
100 MHz
2 GHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
2 GHz
100 MHz
100 MHz
100 MHz
100 MHz
2 GHz
100 MHz
2 GHz
100 MHz
2 GHz
100 MHz
2 GHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
72 ms
160 ms
37 ms
42 ms
55 ms
76 ms
119 ms
180 ms
207 ms
380 ms
730 ms
157 ms
218 ms
332 ms
394 ms
1520 ms
1604 ms
12320 ms
12380 ms
56 ms
120 ms
736 ms
109 ms
240 ms
1460 ms
109 ms
240 ms
1460 ms
Recall
State & Cal d
Data
Transfer e
Measurement
Cycle f
470 ms
26 ms
630 ms
580 ms
38 ms
760 ms
1600 ms
160 ms
2560 ms
630 ms
840 ms
2600 ms
500 ms
670 ms
2200 ms
710 ms
940 ms
3500 ms
58 ms
80 ms
310 ms
26 ms
38 ms
160 ms
60 ms
78 ms
310 ms
840 ms
1100 ms
3700 ms
720 ms
1040 ms
3950 ms
1130 ms
1470 ms
5480 ms
a. Measurements are always made with error correction enabled.
b. Center frequency is set to 1 GHz.
c. “Cycle Time” is the time required for the analyzer to finish one complete sweep cycle including the forward sweep (and reverse
sweep when using two-port calibration), retrace, bandcrossings, and calculation time when in the “Continuous Sweep” mode.
d. This is the time to recall both the system state and calibration data.
e. “Data Transfer” is performed using an HP S700 workstation. The GPIB port is used to transfer “corrected” 64-bit, floating point
numbers (real and imaginary).
f. A “Measurement Cycle” is defined as the time required for an HP S700 workstation to control the analyzer to: (1) recall the state
and calibration (analyzer is now in “sweep hold” mode), (2) sweep (using the “:INIT1; *OPC?” command), and (3) transfer data.
This may be less than the sum of the other columns since a complete “Cycle Time” doesn’t need to be done for the controller
to transfer data.
25
General Information, continued
Data transfer times
The tables below show the various data transfer speeds that can be expected using different data formats.
Please note the following:
• ASCII data transfers are considerably slower than the other types.
• IBASIC CSUBs (compiled routines) can access trace data faster than an external computer.
• If only a few trace points need to be queried, using markers can be faster.
Trace Transfer Time via GPIB (using an HP S700 UX Workstation)
Number of Trace Points
Data
Format
Formatted
Formatted
Formatted
Corrected
Corrected
Corrected
ASCII
Real, 32-bit floating point
Real, 64-bit floating point
ASCII
Complex, 64-bit floating point
Complex, 16-bit integer
11
51
201
401
1601
14 ms
10 ms
10 ms
20 ms
10 ms
10 ms
43 ms
11 ms
12 ms
79 ms
16 ms
15 ms
160 ms
20 ms
20 ms
294 ms
31 ms
28 ms
305 ms
24 ms
34 ms
574 ms
50 ms
32 ms
1200 ms
62 ms
105 ms
2239 ms
172 ms
90 ms
Accessing Trace Data with IBASIC Using CSUBs
Number of Trace Points
Data
Format
11
51
201
401
1601
Formatted
Formatted
ASCII
Real, 32-bit floating point
7 ms
7 ms
7 ms
7 ms
7 ms
9 ms
8 ms
11 ms
18 ms
31 ms
Transferring a Single Marker Value via GPIB
CALC:MARK1:Y? <10 ms
26
Block diagrams
Simplified Block Diagram for the 8712ET and 8714ET
REAR PANEL
AUX Input
External Detectors
Y
X
Y
Input B
RF
Source
ADC and Processor
Input B*
X
Incident
Reference
Input R*
Input A
Transmission
Input R
Reflected
CRT
FRONT PANEL
Reflection
(RF Out)
With Attenuator Option 1E1
Transmission
(RF In)
Device
Under
Test
Narrowband Detector
Broadband Detector
Simplified Block Diagram for the 8712ES and 8714ES
REAR PANEL
AUX Input
External Detectors
Y
X
Y
Input B
RF
Source
ADC and Processor
Input B*
X
Input R
Reference
Input R*
Input A
CRT
FRONT PANEL
Narrowband Detector
Port 1
Port 2
Device
Under
Test
Broadband Detector
27
Product features
Measurement
Marker functions
Markers can be used in absolute or delta modes. Other marker functions include marker to center frequency, marker to
Two measurement displays are available, with independent
reference level, marker to electrical delay, searches, tracking,
control of display parameters including format type, scale
and statistics. Marker searches include marker to maximum,
per division, reference level, reference position, and avermarker to minimum, marker to target value, bandwidth,
aging. The displays can share network analyzer sweep
notch, multi-peak and multi-notch. The marker-tracking funcparameters, or, by using alternate sweep, each measuretion enables continuous update of marker search values on
ment can have independent sweep parameters including
each sweep. Marker statistics enable measurement of the
frequency settings, IF bandwidth, power level, and number
mean, peak-to-peak and standard deviation of the data
of trace points. The instrument can display a single meabetween two markers. For rapid tuning and testing of cablesurement, or dual measurements on a split (two graticules)
TV broadband amplifiers, slope and flatness functions are
or overlaid (one graticule) screen.
also available.
Number of display measurements
Measurement choices
• Narrowband
ET models: reflection (A/R), transmission (B/R), A, B, R
ES models: S11 (A/R), S22 (B/R), S21 (B/R), S12 (A/R),
A, B, R
• Broadband
X, Y, Y/X, X/Y, Y/R*, power (B*, R*), conversion loss
(B*/R*).
Note: X and Y denote external broadband-detector inputs;
* denotes internal broadband detectors.
Formats
Log or linear magnitude, SWR, phase, group delay,
real and imaginary, Smith chart, polar, and impedance
magnitude.
Trace functions
Current data, memory data, memory with current data,
division of data by memory.
Display annotations
Start/stop, center/span, or CW frequency, scale per
division, reference level, marker data, softkey labels, warning and caution messages, screen titles, time and date, and
pass/fail indication.
Limits
Storage
Internal memory
1.5 Mbytes (ET models) or 1 Mbyte (ES models) of
nonvolatile storage is available to store instrument states,
measurement data, screen images, and IBASIC programs.
Instrument states can include all control settings, limit
lines, memory data, calibration coefficients, and custom
display titles. If no other data files are saved in nonvolatile
memory, between about 20 and 150 instrument states can
be saved (depending on the model type and on instrument
parameters). Approximately 14 Mbytes of volatile memory
is also available for temporary storage of instrument
states, measurement data, screen images, and IBASIC
programs.
Disk drive
Trace data, instrument states (including calibration
data), and IBASIC programs can be saved on floppy
disks using the built-in 3.5 inch disk drive. All files are
stored in MS-DOS®-compatible format. Instrument
data can be saved in binary or ASCII format (including
Touchstone/.s1p format), and screen graphics can be saved
as PCX (bit-mapped), HPGL (vector), or PCL5 (printer)
files.
NFS
See description under Controlling via LAN
Measurement data can be compared to any combination of
line or point limits for pass/fail testing. User-defined limits
can also be applied to an amplitude- or frequency-reference marker. A limit-test TTL output is available on the
rear panel for external control or indication. Limits are
only available with rectilinear formats.
Data markers
Each measurement channel has eight markers. Markers are
coupled between channels. Any one of eight markers can
be the reference marker for delta-marker operation.
Annotation for up to four markers can be displayed at
one time.
28
Product features, continued
Data hardcopy
Hardcopy prints can be made using PCL and PCL5
printers (such as HP DeskJet or LaserJet series printers),
or Epson-compatible graphics printers. Single color and
multicolor formats are supported. Hardcopy plots can be
automatically produced with HPGL-compatible plotters
such as the HP 7475A, or with printers that support
HPGL. The analyzer provides Centronics (parallel),
RS-232C, GPIB, and LAN interfaces.
Automation
Controlling via GPIB
Interface
The GPIB interface operates to IEEE 488.2 and SCPI standard-interface commands.
Control
The analyzer can either be the system controller, or pass
bus control to another active controller.
Data transfer formats:
• ASCII
• 32- or 64-bit IEEE 754 floating-point format
• Mass-memory-transfer commands allow file transfer
between external controller and analyzer.
Controlling via LAN
The built-in LAN interface and firmware support data
transfer and control via direct connection to a 10 Base-T
(Ethertwist) network. A variety of standard protocols are
supported, including TCP/IP, sockets, ftp, http, telnet,
bootp, and NFS. The LAN interface is standard.
SCPI interface
The analyzer can be controlled by sending SCPI (standard
commands for programmable instruments) within a telnet
session or via a socket connection and TCP/IP (the default
socket port is 5025). The analyzer's socket applications
programming interface (API) is compatible with Berkeley
sockets, Winsock and other standard socket APIs. Socket
programming can be done in a variety of environments
including C programs, HP VEE, SICL/LAN, or a JavaTM
applet. A standard web browser and the analyzer's built-in
web page can be used to remotely enter SCPI commands
via a Java applet.
FTP interface
Instrument state and data files can be transferred via ftp
(file-transfer protocol). An internal, dynamic-data disk
provides direct access to instrument states, screen dumps,
trace data, and operating parameters.
HTTP
The instrument's built-in web page can be accessed with
any standard web browser using http (hypertext transfer
protocol) and the network analyzer's IP address. The
built-in web page can be used to control the network
analyzer, view screen images, download documentation,
and link to other sites for firmware upgrades and
VXIplug&play drivers. Some word processor and spreadsheet programs, such as Microsoft® Word 97 and Excel 97,
provide methods to directly import graphics and data via
a LAN connection using http and the network analyzer's
IP address.
SICL/LAN
The analyzer's support for SICL (standard instrument
control library) over the LAN provides control of the network analyzer using a variety of computing platforms, I/O
interfaces, and operating systems. With SICL/LAN, the
analyzer is controlled remotely over the LAN with the
same methods used for a local analyzer connected directly
to the computer via a GPIB interface. SICL/LAN protocol
also allows the use of Agilent’s free VXIplug&play driver
to communicate with the multiport test system over a
LAN. SICL/LAN can be used with Windows 95/98/NT®, or
HP-UX.
NFS
The analyzer's built-in NFS (network file system) client
provides access to remote files and directories using the
LAN. With NFS, remote files and directories (stored
remotely on a computer) behave like local files and directories (stored locally within the analyzer). Test data taken
by the network analyzer can be saved directly to a remote
PC or UNIX® directory, eliminating the need for a remotely initiated ftp session. For Windows-based applications,
third-party NFS-server software must be installed on the
PC. NFS is fully supported in most versions of UNIX.
Bootp
Bootstrap protocol (bootp) allows a network
analyzer to automatically configure itself at power-on with
the necessary information to operate on the network.
After a bootp request is sent by the analyzer, the host
server downloads an IP and gateway address, and a subnet mask. In addition, the analyzer can request an IBASIC
file, which automatically executes after the transfer is
complete. For Windows-based applications, third-party
bootp-server software must be installed on the PC. Bootp
is fully supported in most versions of UNIX.
29
Product features, continued
Programming with IBASIC
Available calibrations
As a standard feature, all 8712ET/ES and 8714ET/ES network analyzers come with the Instrument BASIC
programming language (IBASIC). IBASIC facilitates
automated measurements and control of other test
equipment, improving productivity. For simpler applications, you can use IBASIC as a keystroke recorder to
easily automate manual measurements. Or you can
use an optional, standard PC keyboard to write custom
test applications that include:
•
Special softkey labels
•
Tailored user prompts
•
Graphical setup diagrams
•
Barcode-reading capability
•
Control of other test instruments via the GPIB,
serial, or parallel interfaces
ES models only
• Two-port calibration
Compensates for frequency response, source and load
match, and directivity errors while making S-parameter
measurements of transmission (S21, S12) and reflection
(S11, S22). Compensates for transmission crosstalk
when the Isolation on OFF softkey is toggled to ON.
Requires short, open, load, and through standards.
Measurement calibration
Measurement calibration significantly reduces measurement uncertainty due to errors caused by transmission
and reflection frequency response, source and load match,
system directivity, and crosstalk. These analyzers feature
factory-installed default calibrations that use
vector-error correction, so that measurements can be
made on many devices without performing a user
calibration.
For greater accuracy, especially for test setups with
significant loss or reflection, user calibrations should
be performed. For reflection measurements, both one-port
and two-port calibrations are available (two-port
calibration requires an ES model). For transmission
measurements, the following calibrations are available:
normalization, response, response and isolation, enhanced
response, and two port (two-port calibration requires an
ES model).
Calibration interpolation
Calibration interpolation is always active. The analyzer
automatically recalculates the error coefficients when
the test frequencies or the number of trace points have
changed. The resulting frequency range must be within
the frequency range used during the user calibration.
If this is not the case, the analyzer reverts to the factory
default calibration. When calibration interpolation is
used, the analyzer displays the C? annotation. System
performance is not specified for measurements using
calibration interpolation.
ET and ES models: transmission measurements
• Normalization
Provides simultaneous magnitude and phase correction
of transmission frequency response errors. Requires a
through connection. Used for both narrowband and
broadband detection (phase correction is not available
in broadband mode). Does not support calibration
interpolation.
• Response
Simultaneous magnitude and phase correction of
frequency response errors for transmission measure ments. Requires a through standard.
• Response and isolation
Compensates for frequency response and crosstalk
errors. Requires a load termination on both test ports
and a through standard.
• Enhanced response
Compensates for frequency response and source
match errors. Requires short, open, load, and through
standards.
ET and ES models: reflection measurements
• One-port calibration
Compensates for frequency response, directivity, and
source match errors. Requires short, open, and load
standards.
Calibration kits
Data for several standard calibration kits are stored in the
instrument for use by the calibration routines. They
include:
•
•
•
•
•
•
3.5 mm (85033D)
type-N 50 ohm (85032B/E)
type-N 75 ohm (85036B/E)
type-F 75 ohm (85039B)
7 mm (APC-7) (85031B)
7-16 (85038A)
In addition, you can also describe the standards for a
user-defined kit (for example, open-circuit capacitance
coefficients, offset-short length, or through-standard loss).
For more information about calibration kits available
from Agilent, consult the 8712E Series Configuration
Guide, literature number 5967-6315E.
30
Product features, continued
Key options
Test sets
75 ohms (Option 1EC)
87050E multiport test sets
Provides 75 ohm system impedance.
When used with an 8712E series network analyzer,
87050E multiport test sets provide a complete solution for
testing a variety of 50 ohm multiport devices, including
multiband filters, signal splitters, and distribution amplifiers. Test sets can be configured with four, eight, or
twelve test ports (for more information, please consult the
product brochure, literature number 5968-4763E).
Step attenuator (Option 1E1)
Adds a built-in 60 dB step attenuator to
transmission/reflection (ET) models to extend the outputpower range to –60 dBm. The attenuator is standard in
S-parameter (ES) models.
Fault location and structural return loss
(Option 100)
For fully characterizing cable performance and antennafeedline systems, this option provides both fault-location
and structural-return-loss capability. Fault-location
measurements help identify where cable or system faults,
such as bends, shorts, or corroded or damaged connectors, occur. In addition to displaying faults in terms of
distance into the cable or feedline, the magnitude of the
fault is also displayed.
Structural return loss is a special case of return loss
(reflection) measurements, optimized for measuring
periodic reflections of small magnitude. These periodic
reflections can occur from physical damage to the cable
caused by rough handling, or from minor imperfections
imparted during the manufacturing process. Structural
return loss problems occur when these periodic reflections sum at half-wavelength intervals, causing high signal
reflection (and low transmission) at the corresponding
frequency.
87075C multiport test sets
When used with an 8712E series network analyzer,
87075C multiport test sets provide a complete solution for
testing 75 ohm multiport devices like CATV distribution
amplifiers or multi-taps. Test sets can be configured with
six or twelve test ports (for more information, please consult the product brochure, literature number 5968-4766E).
Custom multiport test sets
Besides the standard multiport test sets mentioned above,
Agilent can also provide custom multiport test sets. They
are available with mechanical or solid-state switches in 50
and 75 ohm versions, in a variety of configurations and
connector types. Please contact your sales representative
for more information.
Transport case and fault location and
structural return loss (Option 101)
Combines a rugged transport and operation case
(part number 08712-60059) with Option 100 for field measurements of fault location and structural return loss.
Unix® is a registered trademark of the Open Group.
Microsoft®, Windows® and WindowsNT® are U.S. registered trademarks of Microsoft Corporation
31
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Printed in USA, July 13, 2006
5967-6314E