The Keysight Technologies (Agilent HP) 8920B is a high-performance RF Communications Test Set designed for comprehensive testing of land mobile radios, cellular telephones, and other wireless communication systems. Building upon the 8920A, it offers enhanced measurement speed and accuracy, alongside expanded user memory and PCMCIA card support for data storage and test programs. It integrates numerous instruments into a single portable unit, including an RF generator, RF power meter, frequency counter, and options for spectrum analysis.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488), RS-232, PCMCIA (2x Type II), External Reference Input/Output (BNC), Trigger Input/Output (BNC), RF Input (N-type), RF Output (N-type), Audio Input (BNC), Audio Output (BNC), Microphone Input, Speaker Output
DisplayMonochrome LCD, 320 x 240 pixels

Physical

ParameterValue
Power Supply90-264 V AC, 47-66 Hz / 360-440 Hz, 250 VA max
Operating Temperature0 to 55 °C
Dimensions (W×H×D)426 mm (W) × 178 mm (H) × 584 mm (D)
Weight23 kg (typical)

General Specifications

ParameterValue
Product DescriptionFull-function RF Communications Test Set integrating multiple instruments for comprehensive wireless device testing.
Measurement ApplicationsLand Mobile Radio, Cellular Telephones (TDMA, AMPS, GSM with options), Paging Systems, General RF Transceiver Testing
Operating ModesManual, Automated (GPIB/RS-232), Internal IBASIC programs
Internal Memory928 kbytes user memory (standard)
Memory Card TypePCMCIA Type II
Software SupportVEE support with 8920B drivers, Built-in IBASIC computer

RF Generator Characteristics

ParameterValue
RF Generator Frequency Range250 kHz to 1000 MHz
RF Generator Frequency Resolution1 Hz
RF Generator Frequency Accuracy (Internal Reference)± (Timebase Error × Frequency + 10 Hz)
RF Generator Output Power Range-127 dBm to -9 dBm
RF Generator Output Power Resolution0.1 dB
RF Generator Output Power Accuracy±1.5 dB (typically ±1 dB up to 1 GHz)
RF Generator Output Impedance50 Ω
RF Generator Harmonic Spurious<-30 dBc
RF Generator Non-Harmonic Spurious<-60 dBc
RF Generator Residual FM<3 Hz RMS (0.3 to 3 kHz BW, typical)

RF Receiver / Analyzer Characteristics

ParameterValue
RF Receiver Frequency Range250 kHz to 1000 MHz (base unit), extendable with options
RF Receiver Maximum Input Power+30 dBm (without damage)
RF Receiver Input Power Range (Measurement)-127 dBm to +30 dBm
RF Receiver Input Power Accuracy±1 dB (typical, up to 1 GHz)
RF Receiver Input Impedance50 Ω
RF Receiver Noise Floor<-140 dBm/Hz (with preamplifier, typical)
RF Receiver FM Demodulator Sensitivity0.5 µV for 12 dB SINAD (1 kHz tone, 3.5 kHz dev, typical)
Spectrum Analyzer Frequency Range250 kHz to 1000 MHz (optional), 1710 to 1990 MHz with 83236B PCS interface option
Spectrum Analyzer RBW Range300 Hz to 300 kHz
Spectrum Analyzer VBW Range30 Hz to 30 kHz

RF Measurement Functions

ParameterValue
RF Power Measurement Range-40 dBm to +30 dBm (internal power meter)
RF Power Measurement Accuracy±0.5 dB (at calibrated frequencies/levels, typical)
Frequency Error Measurement Accuracy±10 Hz + Timebase Error
Occupied Bandwidth MeasurementAvailable with optional spectrum analyzer
Adjacent Channel Power (ACP) Dynamic Range75 dB (typical, with optional spectrum analyzer)
Modulation Index Measurement (AM)0 to 99%
Modulation Deviation Measurement (FM/PM)FM: 0 to 400 kHz; PM: 0 to 40 rad
Modulation Distortion Measurement (THD, SINAD)Available (typically for AM/FM demodulated audio)

Modulation / Demodulation

ParameterValue
Modulation Types Supported (Internal)AM, FM, Phase Modulation
AM Modulation Depth Range (Internal)0 to 99%
AM Distortion (Internal)<1% (typical)
FM Deviation Range (Internal)0 to 400 kHz
FM Distortion (Internal)<0.5% (typical)
Phase Modulation Deviation Range (Internal)0 to 40 rad
Internal Modulation Frequencies1 Hz to 25 kHz

Audio Generator Characteristics

ParameterValue
Audio Generator Frequency Range20 Hz to 20 kHz
Audio Generator Frequency Resolution0.1 Hz
Audio Generator Output Level Range-40 dBm to +10 dBm
Audio Generator Output Level Accuracy±0.5 dB (typical)
Audio Generator Output Impedance600 Ω
Audio Generator Output Distortion (THD)<0.1% (typical)

Audio Analyzer Characteristics

ParameterValue
Audio Analyzer Frequency Range20 Hz to 20 kHz
Audio Analyzer Level Measurement Range-80 dBm to +20 dBm
Audio Analyzer Level Measurement Accuracy±0.2 dB (typical)
Audio Analyzer Distortion Measurement (THD+N)<0.5% (typical)
Audio Analyzer Residual Noise<-80 dBm (typical, 20 Hz - 20 kHz BW)
Audio Analyzer Input Impedance600 Ω unbalanced, 1 MΩ unbalanced
Audio Analyzer Weighting FiltersC-Message, CCITT, Flat

Internal Timebase / Reference

ParameterValue
Internal Reference Frequency10 MHz
Internal Reference Aging Rate±0.05 ppm/year (standard)
Internal Reference Temperature Stability±0.1 ppm (0 to 55 °C, standard)
External Reference Input Frequency10 MHz
External Reference Input Level-10 dBm to +10 dBm
External Reference Output Frequency10 MHz
External Reference Output Level+7 dBm (nominal)

Connectivity & Interfaces

ParameterValue
Speaker OutputBuilt-in, for demodulated audio monitoring
External Reference Input Connector TypeBNC (female)
External Reference Output Connector TypeBNC (female)
GPIB CompatibilityIEEE-488.1, IEEE-488.2
Serial Port Connector TypeDB-9 (male)
Parallel Printer Port Connector TypeCentronics (36-pin)

Environmental Conditions

ParameterValue
Storage Temperature Range-40 to 75 °C
Operating Humidity Range5% to 95% RH (non-condensing)
Operating Altitude0 to 4600 m (15,000 ft)
Non-Operating Altitude0 to 15300 m (50,000 ft)

Physical Characteristics

ParameterValue
Rack MountableYes, with optional rack mount kit

Ordering Information & Options

ParameterValue
Available OptionsHigh Stability Timebase (Option 10), Spectrum Analyzer, Tracking Generator, Adjacent Channel Power Meter, 83206A TDMA Cellular Adapter (800/1900 MHz), 83236B PCS Interface (1710-1990 MHz)

RF Generator Output

ParameterValue
RF Generator Output Level Flatness\u00b11.5 dB (typical)

Spectrum Analyzer Performance

ParameterValue
Displayed Average Noise Level (DANL)-115 dBm/Hz (typical, <1 GHz, preamp off, 20 Hz RBW)
Displayed Average Noise Level (DANL) (with Option 006 Preamplifier)-130 dBm/Hz (typical, <1 GHz, preamp on, 20 Hz RBW)
Resolution Bandwidth Filter Shape Factor5:1 (60 dB/3 dB, analog filters)
Spectrum Analyzer Detector ModesPeak, Sample, Normal

Connectivity

ParameterValue
Remote Control InterfaceIEEE-488.2 (GPIB)
Serial InterfaceRS-232C
Parallel InterfaceCentronics
External TriggerBNC

Power Requirements

ParameterValue
AC Input Voltage Range90 to 264 VAC
AC Input Frequency Range47 to 440 Hz
Maximum Power Consumption300 VA

Regulatory Compliance

ParameterValue
EMC ComplianceEN 55011:1991 Group 1, Class A; CISPR 11:1990 Group 1, Class A
Safety ComplianceIEC 1010-1:1990; EN 61010-1:1993; CSA C22.2 No. 1010.1:1992; UL 3111-1:1994

Remote Control

ParameterValue
Programming LanguageSCPI (Standard Commands for Programmable Instruments)

RF Inputs & Outputs

ParameterValue
RF Input Connector TypeN-type (female)
RF Output Connector TypeN-type (female)

Audio Inputs & Outputs

ParameterValue
Audio Input Connector TypeBNC (female)
Audio Output Connector TypeBNC (female)

Demodulation

ParameterValue
FM Demodulation Filter Bandwidths100 Hz, 300 Hz, 1 kHz, 3 kHz, 15 kHz, 50 kHz, 100 kHz, 200 kHz

Display

ParameterValue
Display TypeMonochrome CRT

General Characteristics

ParameterValue
Warm-up Time30 minutes (to rated specifications)
Recommended Calibration Interval1 year

Auxiliary I/O

ParameterValue
Scope Output Connector TypeBNC (female)
Demod Output Connector TypeBNC (female)

Technology

RF Test and Measurement

Applications

Land Mobile Radio (LMR) Testing, Cellular Phone Testing (2G/2.5G), Wireless Communications System Debug and Manufacturing