8990A

Keysight Technologies (Agilent HP)Peak Power

The Keysight (Agilent) 8990A Peak Power Analyzer is a high-performance instrument designed for complete and accurate characterization of complex pulsed RF and microwave signals. Operating with compatible peak power sensors, it offers dual-channel power measurements alongside dual-channel oscilloscope functionality, facilitating precise time-delay measurements between modulating video signals and RF envelopes.

Oscilloscopes Power Measurement RF and Microwave

Specifications

General

Parameter	Value
Interfaces	GPIB (HP-IB)
Display	9-inch monochrome CRT
Warm-up Time	30 minutes

Physical

Parameter	Value
Power Supply	115 / 230 VAC (±10%), 48 - 66 Hz
Operating Temperature	0 to +55 °C
Dimensions (W×H×D)	425 mm × 194 mm × 356 mm
Weight	11 kg

Frequency and Power Specifications

Parameter	Value
Frequency Range	50 MHz to 40 GHz (sensor dependent)
Power Measurement Range	-32 dBm to +20 dBm (sensor dependent)
Rise Time Capability	< 5 ns
Minimum Measurable Pulse Width	10 ns
Power Resolution	0.01 dB

Dynamic and Timebase Specifications

Parameter	Value
Timebase Range	2 ns/div to 5 s/div

Triggering Specifications

Parameter	Value
Trigger Sources	Channel 1, Channel 2, Channel 3, Channel 4
Trigger Modes	Auto, Triggered, Single

Measurement and Analysis Capabilities

Parameter	Value
Automatic Timing Measurements	7 (Rise time, Fall time, Pulse width, PRI, PRF, Duty cycle, Delay)
Automatic Power Measurements	5 (Peak power, Average power, Pulse top amplitude, Pulse base amplitude, Overshoot)
Marker Functions	Amplitude and time markers
Waveform Math Functions	Subtraction (Ch1 - Ch4, etc.), scalar pulse parameters

Input and Channel Characteristics

Parameter	Value
Number of RF Channels	2 (Channels 1 and 4)
Number of Oscilloscope Channels	2 (Channels 2 and 3)
Compatible Sensor Models	HP 84812A, HP 84813A, HP 84814A, HP 84815A
Oscilloscope Channel Input Impedance	1 MΩ or 50 Ω (selectable)
Oscilloscope Channel Bandwidth	100 MHz

Internal Calibration Source

Parameter	Value
Calibrator Output Frequency	1.00 GHz
Calibrator Output Power Level	10.0 mW (+10 dBm)
Calibrator Output Impedance	50 Ω
Calibrator Output Connector	Type-N (female)

System and Interface Connectivity

Parameter	Value
GPIB Interface Functions	Standard HP-IB remote control and data transfer

Power and Environmental Requirements

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

Oscilloscope Channels

Parameter	Value
Oscilloscope Vertical Sensitivity	2 mV/div to 5 V/div
Oscilloscope Vertical Resolution	8 bits
Oscilloscope Input Coupling	ac, dc
Oscilloscope Maximum Input Voltage	1 MΩ: 250 V (dc + peak ac); 50 Ω: 5 V rms

Horizontal System

Parameter	Value
Timebase Resolution	100 ps

Calibrator

Parameter	Value
Calibrator Output SWR	1.10 max
Calibrator Output Power Accuracy	±1.5% (at 25 °C ± 10 °C), ±2.0% (0 °C to 55 °C)

Environmental

Parameter	Value
Operating Humidity	up to 95% RH at 40 °C
Maximum Operating Altitude	4570 m (15000 ft)
Maximum Storage Altitude	15240 m (50000 ft)
Vibration Resistance	Meets MIL-T-28800D Type III, Class 5

Performance

Parameter	Value
Instrumentation Accuracy	±0.04 dB (single channel), ±0.08 dB (dual-channel ratio)
Power Linearity	±0.13 dB (sensor input power ≥ -20 dBm), ±0.20 dB (sensor input power < -20 dBm)
Timebase Accuracy	±0.005%
Oscilloscope Channel Rise Time	< 3.5 ns
RF Channel Isolation	Performance — Oscilloscope Channel Isolation = > 50 dB (at equal scale factors)
Display Resolution	0.01 dB (power measurements)

Data Storage

Parameter	Value
Setup Registers	10 non-volatile setups
Waveform Memories	4 non-volatile waveform memories

Power Requirements

Parameter	Value
Line Voltage	90 to 132 VAC / 198 to 264 VAC (switchable)
Line Frequency	48 to 66 Hz
Power Consumption	250 VA maximum

Technology

RF Peak Power Analysis

Applications

Pulsed RF and Microwave Signal Characterization