The Keysight (formerly Agilent / Hewlett-Packard) 8902A is a high-performance measuring receiver that combines the capabilities of a highly accurate digital power meter, frequency counter, and AM/FM/PM modulation analyzer. It is designed to provide exceptional accuracy and resolution for characterization and calibration across a wide dynamic range, with measurement capabilities up to 1.3 GHz natively and up to 26.5 GHz when paired with an external microwave converter.

Specifications

General

ParameterValue
InterfacesHP-IB (IEEE-488)

Physical

ParameterValue
Power Supply100/120/220/240 V (+5, -10%), 48 to 66 Hz and 360 to 440 Hz; 200 VA maximum
Operating Temperature0 to 55 °C
Weight23.6 kg

Frequency Specifications

ParameterValue
Frequency Range150 kHz to 1.3 GHz (50 MHz to 26.5 GHz with 11793A converter)

Tuned RF Level Specifications

ParameterValue
Tuned RF Level Dynamic Range0 to -127 dBm

Amplitude Modulation (AM) Specifications

ParameterValue
AM Accuracy1%

Frequency Modulation (FM) Specifications

ParameterValue
FM Accuracy1%

Phase Modulation (PM) Specifications

ParameterValue
PM (Phi-M) Accuracy3%

Audio and Baseband Measurements

ParameterValue
Audio Measurement ParametersLevel, frequency, and distortion

Inputs and Interfaces

ParameterValue
RF Input Impedance50 Ω

Environmental

ParameterValue
Storage Temperature-55 to 75 °C

Modulation

ParameterValue
AM Modulation Rate20 Hz to 100 kHz
FM Modulation Rate20 Hz to 200 kHz
Phase Modulation Rate200 Hz to 20 kHz

Modulation Measurement

ParameterValue
AM Depth Measurement Range0 to 99%
FM Deviation Measurement RangeUp to 400 kHz (carrier frequency dependent)
Phase Modulation (PM) Deviation RangeUp to 400 radians (carrier frequency dependent)

Audio Measurement

ParameterValue
Audio High-Pass Filters50 Hz, 300 Hz
Audio Low-Pass Filters3 kHz, 15 kHz, >20 kHz
FM De-emphasis Networks25 µs, 50 µs, 75 µs, 750 µs

Power Measurement

ParameterValue
Compatible Sensor ModuleHP 11722A
Compatible Power SensorsHP 8480 Series (via 11722A or direct power measurement)
Power Reference Oscillator Frequency50 MHz
Power Reference Oscillator Level1.00 mW (0 dBm)

Connectivity

ParameterValue
RF Input ConnectorType-N female
Power Reference ConnectorType-N female
Modulation / Audio OutputFront-panel BNC

Technology

Superheterodyne Receiver

Applications

RF and microwave signal analysis, transmitter testing, calibration, and metrology