Atec Agilent-8920B User Manual
Test Features
• Call processing and on-call
parametric test interface.
• High-level GPIB commands
simplify call processing
programmability.
• DCCH (TIA/EIA-136) phone test
with 83206A TDMA Cellular
Adapter for 800 and 1900 MHz bands.
• Accurate digital power measurements, with true-average TDMA
power measurements.
• VEE support with 8920B drivers.
• PCS (1710 to 1990 MHz) phone test
upgrade path with the 83236B PCS
interface.
Improve throughput and quality
The 8920B is a full-function RF test set with accuracy,
speed, and flexibility for testing land mobile radios, cellular telephones, and other communications systems
while improving throughput and quality in manufacturing.
Agilent 8920B
RF Communications Test Set
Technical Specifications
8920B with 83206A TDMA Cellular Adapter
83236B PCS Interface
2
83206A* (800 to 900 MHz)
* Supercedes the 83201B TDMA cellular adapter for DAMPS
(IS-54) test, adding DCCH (TIA/EIA-136) measurement capability.
8920B (30 MHz to 1GHz)
83236B (1710 to 1990 MHz)
TDMA Cellular Adapter for DAMPS (IS-54)
and DCCH (TIA/EIA-136) Test
• p/4 DQPSK signal generator
• p/4 DQPSK modulation analyzer
• Data source
• BER analyzer
RF Communications Test Set
• RF/AF signal generators
• AM/FM modulation analyzer
• RF/AF power meter
• Spectrum analyzer
• Tracking generator
• Adjacent channel power meter
• Oscilloscope
• IBASIC controller
• Signaling encoder/decoder
• Function generator
• AC/DC voltmeter
• SINAD/SNR meters
• DC current meter
• High stability reference
• IEEE 488.2/RS-232 interface
• Centronics port
PCS Interface
• Frequency translator for PCS-band measurements
• For more information on the 83236B, refer to literature
number 5964-9655E.
• Accuracy as good as stand
alone instruments
• Test speed lowers your cost
per test
• Flexibility meets more of your
testing needs
• Front-panel upgrades and builtin test simplifies upgrades and
maintenance
3
8920B Specifications
Specifications describe the instrument’s warranted
performance and are valid over the entire operating/
environmental range unless otherwise noted.
Supplemental Characteristics are intended to provide
additional information useful in applying the instrument by giving typical, but non-warranted, performance parameters. These characteristics are shown in
italics or labeled as “typical,” “usable to,” or “nominal.”
Note: The 8920B standard configuration and Options
006, 007, and 016 configurations can be ordered as a
variable attenuator and a fixed attenuator. For fixed
attenuators, see table below. For wider frequency and
power ranges, Option 055 has a mechanical variable
attenuator available.
Configuration Fixed Attenuator
Standard 14 dB
Option 006 6 dB
Option 007 0 dB
Option 016 16 dB
Signal Generator Specifications
RF Frequency
Range:
Standard and Options 006, 007, and 016: 30 MHz to 1 GHz
Option 055: (mechanical atten.) 250 kHz to 1 GHz
Accuracy and Stability: Same as reference oscillator ±0.015 Hz
Reference Oscillator Specifications
TCXO (8920B Standard)
Temperature: ±1 ppm (0 to +55 °C)
Aging: <2 ppm/year
Warm-Up Time: <30s to be within ±2 ppm of final
frequency. For higher stability reference, see Opt. 001.
Supplemental Characteristics
Switching Speed: <150 ms to be within 100 Hz of carrier frequency
Rear Panel BNC connectors:
Input Frequency: 1, 2, 5, and 10 MHz
Input Level: >0.15 Vrms
Output Frequency: 10 MHz
Output Level: >0.5 Vrms
Resolution: 1 Hz displayed
Output
RF IN/OUT Connector:
Level Accuracy: ±1.2 dB (level ≥–127 dBm)
If RF analyzer is also connected add ±0.1 dB
Typically ±1.0 dB for all levels.
Standard:
Level Range: –137 to –20.5 dBm into 50 W
Reverse Power: 60 watts continuous,
100 watts for 10 seconds per minute.
W/Option 006 (cellular power option):
Level Range: –137 to –12.5 dBm into 50 W
Reverse Power: 5.0 watts continuous,
7.5 watts for 10 seconds per minute.
W/Option 007 (low power option):
Level Range: –137 to –6.5 dBm into 50 W
Reverse Power: 1.2 watts continuous,
2.0 watts for 10 seconds per minute.
W/Option 016 (high power option):
Level Range: –137 to –22.5 dBm into 50 W
Reverse Power: 100 watts continuous,
125 watts for 10 seconds per minute.
Option 055:
Level Range: –137 to –19 dBm into 50 W
Reverse Power: 60 watts continuous,
100 watts for 10 seconds per minute.
W/Option 006 (cellular power option):
Level Range: –137 to –12.5 dBm into 50 W
Reverse Power: 5.0 watts continuous,
7.5 watts for 10 seconds per minute.
W/Option 007 (low power option):
Level Range: –137 to –6.5 dBm into 50 W
Reverse Power: 1.2 watts continuous,
2.0 watts for 10 seconds per minute.
W/Option 016 (high power option):
Level Range: –137 to –22.5 dBm into 50 W
Reverse Power: 100 watts continuous,
125 watts for 10 seconds per minute.
DUPLEX OUT Connector:
Level Accuracy: ±1 dB
Level Range:
Standard and Options 006, 007, 016: –127 to +3.5 dBm
into 50 W
Option 055: –127 to +7 dBm into 50 W
Reverse Power: 200 mW max.
SWR:
RF IN/OUT: <1.5:1
DUPLEX OUT: <2.0:1 (level <–4 dBm)
Supplemental Characteristics
Resolution: 0.1 dB
4
Spectral Purity
Spurious Signals:
Output port signal amplitude conditions
Fixed Attenuator to meet spurious specifications: output
Configuration signal must be ≤ to below value
Elect. Variable Duplex Port RF IN/OUT Port
Standard 1 dBm –27 dBm
Option 006 –2.5 dBm –20.5 dBm
Option 007 –2.5 dBm –14.5 dBm
Option 016 1 dBm –29 dBm
Mech. Variable Duplex Port RF IN/OUT Port
Option 055 1 dBm –25 dBm
Option 055 w/016 1 dBm –27 dBm
Harmonics: <–30 dBc
Non-Harmonic Spurious: <–60 dBc (at >5 kHz from carrier)
Residual FM (rms, CCITT):
250 kHz ≤ f
c
<249 MHz <7 Hz
249 MHz ≤ f
c
<501 MHz <4 Hz
501 MHz ≤ f
c
≤1000 MH <7 Hz
Supplemental Characteristics
Residual AM: <0.1% in a 50 Hz to 15 kHz BW
SSB Phase Noise (for >20 kHz offsets at 1 GHz): <–116 dB/Hz
FM
FM Deviation Maximum (for rates >25 Hz):
Standard and all Options:
100 kHz: for 501 MHz ≤f
c
<1000 MHz
50 kHz: for 249 MHz ≤f
c
<501 MHz
Standard and Options 006, 007, 016:
100 kHz: for 30 MHz ≤f
c
<249 MHz
Option 055 (mechanical variable attenuator):
100 kHz: for 250 kMHz ≤f
c
<249 MHz
(FM not specified for [f
c
minus FM dev.] <250 kHz)
FM Rate (1 kHz reference):
Internal: DC to 25 kHz (1 dB BW)
External:
AC Coupled: 20 Hz to 75 kHz
DC Coupled: DC to 75 kHz
FM Accuracy (1 kHz rate):
≤10 kHz dev: ±3.5% of setting ±50 Hz
>10 kHz dev: ±3.5% of setting ±500 Hz
FM Distortion (THD + Noise, in a 0.3 to 3 kHz BW):
<0.5% at >4 kHz deviation and 1 kHz rate
Center Frequency Accuracy in DC FM Mode:
(External source impedance <1 kW): ±500 Hz (after DC FM zero),
typically ±50 Hz.
Supplemental Characteristics
Ext. Mod. Input Impedance: 600 W nominal
Resolution: 50 Hz for <10 kHz deviation
500 Hz for ≥10 kHz deviation
AM
Standard:
Frequency Range: 30 MHz to 1000 MHz
AM Depth: 0 to 90% (usable to 99%) for DUPLEX OUT level
≤–2.5 dBm, for RF IN/OUT level depending on option.
Standard: ≤–26.5 dBm
Option 006: ≤–18.5 dBm
Option 007: ≤–12.5 dBm
Option 016: ≤–28.5 dBm
0 to 70% (usable 90%) with 8920B Option 051 rear panel
connectors for TDMA testing.
Options 055 (mechanical variable attenuator):
Frequency Range: 1.5 MHz to 1000 MHz
AM Depth: 0 to 90% (usable to 99%)
for DUPLEX OUT level ≤1 dBm
for RF IN/OUT level depending on option:
Standard: ≤–2.5 dBm
Option 016: ≤–27 dBm
AM Depth: 0 to 70% (usable to 90%) with 8920B Option 051
rear panel connectors for TDMA testing.
AM Rate: 20 Hz to 25 kHz (3 dB BW)
AM Accuracy (1 kHz rate):
≤10% AM: ±5% of setting, ±1.0% AM
>10% AM: ±5% of setting, ±1.5% AM
AM Distortion (THD+Noise 0.3 to 3 kHz BW):
<2% at 1 kHz rate, <30% AM
<3% at 1 kHz rate, ≤90% AM
Supplemental Characteristics
Ext. Mod. Input Impedance: 600 W nominal
Resolution: <0.1%
TDMA Signal Generator Specifications
8920B Opt. 001, 004, 051, 800 (8920B + 83206A)
Frequency Range: 824 MHz to 894 MHz
Output Level Range:
Standard:
DUPLEX OUT: +0.5 dBm to –127 dBm
RF IN/OUT range by option:
Standard: –23.5 dBm to –127 dBm
Option 006: –15.5 dBm to –127 dBm
Option 007: –9.5 dBm to –127 dBm
Option 016: –25.5 dBm to –127 dBm
5
Option 055 (mechanical variable attenuator):
DUPLEX OUT: +4.0 dBm to –127 dBm
RF IN/OUT range by option:
Standard: –22 dBm to –127 dBm
Option 016: –24 dBm to –127 dBm
Residual Error Vector Magnitude: <3.0%
Residual Phase Error: <2.0%
Residual Magnitude Error: <2.6%
IQ Origin Offset: <–30 dBc within 15 °C drift of last calibration
Frequency Error: ±4 Hz plus reference error
Audio Source Specifications
(Applicable to both internal sources)
Frequency
Range: dc to 25 kHz
Accuracy: 0.025% of setting
Supplemental Characteristics
Resolution: 0.1 Hz
Output Level
Range: 0.1 mVrms to 4 Vrms
Maximum Output Current: 20 mA peak
Output Impedance: <1 Ω (≤1 kHz rate)
Accuracy: ±2% of setting plus resolution
Residual Distortion: 0.125%
(THD plus noise, for amplitudes >200 mVrms), for tones
20 Hz to 25 kHz measured in an 80 kHz BW.
Supplemental Characteristics
Resolution: Level ≤0.01 V: ±50 µV
Level ≤0.1 V: ±0.5 mV
Level ≤1 V: ±5 mV
Level >1 V: ±50 mV
Offset in DC Coupled Mode: <50 mV
RF Analyzer Specifications
RF Frequency Measurements
Measurement Range:
Standard: 10 MHz to 1 GHz
Option 055 (mechanical variable attenuator):
400 kHz to 1 GHz
Level Range (with or without Option 055 mechanical variable
attenuator):
Standard: 0 to 48 dBm (1 mW to 60 W continuous)
50 dBm (100 W for 10 seconds per minute)
Option 006: –13 to 40 dBm (50 µW to 10 W continuous)
42 dBm (to 7.5 W for 10 seconds per minute)
Option 007: –14 to 34 dBm (40 µW to 2.4 W continuous)
36 dBm (2 W for 10 seconds per minute)
Option 016: 2 dBm to 50 dBm (1.6 mW to 100 W continuous)
51 dBm or (125 W for 10 seconds per minute)
Ant In: –36 dBm to +20 dBm in auto-tune mode
Accuracy: ±1 Hz plus timebase accuracy
Supplemental Characteristics
Frequency Resolution: 1 Hz
RF Power Measurements
Frequency Range:
Standard: 10 MHz to 1 GHz
Option 055 (mechanical variable attenuator): 400 kHz to 1 GHz
SWR: RF IN/OUT port <1.5:1
RF IN/OUT Measurement Range:
To achieve the specified accuracy when measuring power at the
RF In/Out port, the internal signal generator level must be 60 dB
below the measured power or less than –20 dBm at the Duplex
outport.
Standard: 1 mW to 60 W continuous (0 to 48 dBm)
or to 100 W for 10 seconds per minute (to 50 dBm)
Accuracy: ±5% of reading ±0.01 mW ±1 count for temperature
range of 25 ±10 °C.
Accuracy: ±10% of reading for operating temperature range.
Option 006: 50 µW to 10 W continuous (–13 to 40 dBm),
15 W for 10 seconds per minute (to 42 dBm)
Frequency Range: 30 MHz to 1 GHz
Accuracy: ±5% of reading ±0.5 µW ±1 count for tempera-
ture range of 25 ±10 °C.
Accuracy: ±10% of reading for operating temperature range.
Option 007 (low power option): 40 µW to 2.4 W continuous
(–14 to 34 dBm) to 4 W for 10 seconds per minute (36 dBm)
Accuracy: ±5% of reading ±400 nW ±1 count for temperature range of 25 ±10 °C.
Accuracy: ±10% of reading for operating temperature range.
Option 016 (high power option): 1.6 mW to 100 W continuous
(2 to 50 dBm), 125 W for 10 seconds per minute (to 51 dBm)
Accuracy: ±5% of reading ±0.01 mW ±1 count for temperature range of 25 ±10 °C.
Typical accuracy: ±6% of reading for operating temperature
range.
Supplemental Characteristics
Resolution: P >10W: 10 mW, P <10W: 10 mW,
P <100 mW: 0.1 mW, P <10 mW: 0.01 mW,
P <100 W: 100 mW, P >100 W: 1 W
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