8991A

The Agilent Keysight 8991A Peak Power Analyzer provides complete and accurate characterization of complex pulsed RF and microwave signals. It features two dedicated sensor channels and two oscilloscope/video channels, allowing for the simultaneous measurement of modulating signals and detector power envelopes.

Microwave Power Measurement RF and Microwave Radar Testing

Specifications

General

Parameter	Value
Interfaces	GPIB (IEEE-488.2)
Display	Monochrome CRT

Physical

Parameter	Value
Power Supply	115 Vac (90 to 127 Vac) / 230 Vac (195 to 253 Vac), 48 - 66 Hz (or 360 - 440 Hz at 115 Vac), 250 VA max
Operating Temperature	0 to +55 °C
Dimensions (W×H×D)	425 mm × 194 mm × 366 mm
Weight	11 kg

Frequency and Power Measurement Specifications

Parameter	Value
Frequency Range	50 MHz to 40 GHz (sensor dependent)
Power Measurement Range	-32 to +20 dBm (sensor dependent)
Dynamic Range	52 dB (sensor dependent)
Minimum Pulse Width	20 ns
Rise Time	<5 ns (with 84812A/13A/14A sensors)

Sensor Compatibility and Inputs

Parameter	Value
Number of Channels	4 (2 sensor channels, 2 oscilloscope/video channels)
Sensor Input Channels	Ch 1 and Ch 4
Oscilloscope/Video Channels	Ch 2 and Ch 3
Compatible Sensor Models	Agilent 84812A, 84813A, 84814A, 84815A
Internal Calibrator Frequency	1.00 GHz
Internal Calibrator Power Level	10.0 mW (+10 dBm)
Internal Calibrator Connector	Type-N (female) on front panel
Calibrator Power Uncertainty	±1.5% (at 10 mW)
Video Channel Bandwidth	100 MHz (Channels 2 and 3)
Video Channel Input Impedance	1 MOhm (nominal)

Display and Automated Measurements

Parameter	Value
Automatic Timing Measurements	Rise time, fall time, pulse width, PRI, PRF, duty cycle, delay
Automatic Power Measurements	Peak power, average power, pulse top amplitude, pulse base amplitude, overshoot
Marker Functions	Amplitude and Time markers

Triggering and Timebase

Parameter	Value
Timebase Range	2 ns/div to 5 s/div
Trigger Modes	Auto, Normal, Single
Trigger Sources	Channel 1, 2, 3, or 4

Measurement Accuracy and Resolution

Parameter	Value
Vertical Resolution	8 bits (12 bits with averaging)

Environmental and Safety

Parameter	Value
Storage Temperature Range	-40 to +75 °C

Timebase

Parameter	Value
Timebase Accuracy	±0.005%
Timebase Resolution	100 ps

Video Channels

Parameter	Value
Video Channel Vertical Sensitivity Range	2 mV/div to 5 V/div

Power Requirements

Parameter	Value
Line Voltage	115 Vac (90 to 127 Vac) / 230 Vac (195 to 253 Vac)
Line Frequency	48 to 66 Hz (at 115/230 Vac) or 360 to 440 Hz (at 115 Vac)
Power Consumption	250 VA maximum

Environmental

Parameter	Value
Operating Humidity	Up to 95% RH at +40 °C (non-condensing)

Options

Parameter	Value
Option 001	Deletes channel 3 and channel 4 (reduces instrument to 1 sensor channel and 1 video channel)
Option 002	Rear panel inputs (sensor/video inputs and calibrator output on the rear panel)
Option 908	Rackmount kit without handles
Option 913	Rackmount kit with handles
Option 003	Rear panel sensor inputs

System & Control

Parameter	Value
HP-IB Interface Capabilities	SH1, AH1, T5, TE0, L3, LE0, SR1, RL1, PP0, DC1, DT1, C0, E2

Inputs & Outputs

Parameter	Value
Auxiliary Trigger Connector	BNC (rear panel)
Auxiliary Trigger Input Impedance	Selectable 1 M̤ (approx. 30 pF) or 50 Ω
Auxiliary Trigger Maximum Input Voltage	±40 V (dc + peak ac) @ 1 M̤, 5 V rms @ 50 Ω
Recorder Output Connector	BNC (rear panel)
Recorder Output Voltage Range	0 to 1 V

Internal Calibrator

Parameter	Value
Internal Calibrator SWR	1.05 typical, 1.10 maximum

Technology

RF/Microwave Peak Power Analysis

Applications

Characterization of pulsed RF signals, radar testing, and peak power measurements