Keysight (Agilent)
Keysight (Agilent) 8901A
150KHz-1.3GHz Modulation Analyser
100 kHz to 1.3 GHz Frequency Range
AM, FM, Phase Modulation (PM) Modulation Measurement Types
Up to 2 MHz FM Deviation Range
0% to 99.9% AM Depth Measurement Range
50 Ohms RF Input Impedance

| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 1.3 GHz |
| Modulation Measurement Types | AM, FM, Phase Modulation (PM) |
| FM Deviation Range | Up to 2 MHz |
| AM Depth Measurement Range | 0% to 99.9% |
| RF Input Impedance | 50 Ohms |
| Audio Frequency Range | 20 Hz to 300 kHz |
| RF Input Level Range | -20 dBm to +20 dBm |
| Interface | HP-IB (IEEE-488) / GPIB |
| Power Requirements | 100/120/220/240 VAC, 48–66 Hz |
| Operating Temperature Range | 0°C to 55°C |
Keysight Technologies 8901A Options:
- 8901A - 001 - Rear panel instead of front panel connections for input, modulation output, calibrators
- 8901A - 002 - 1x10⁻⁹/day internal reference oscillator
- 8901A - 003 - Rear panel connections which allow use with an external local oscillator
- 8901A - 004 - Operation from 48 to 440 Hz power line
- 8901A - 010 - AM and FM calibrators
- 8901A - 907 - Front panel handle kit
- 8901A - 908 - Rack mounting flange kit
- 8901A - 909 - Front panel handle plus rack mounting flange kit
- 8901A - 910 - Extra manual
- 8901A - 915 - Service manual
The Keysight (Agilent) 8901A Modulation Analyzer integrates multiple RF measurement functions to provide complete signal analysis from 150 kHz to 1300 MHz. It accurately measures AM and FM modulation with 1% precision and includes capabilities for RF frequency and power measurement in the range of 1 mW to 1 W. The unit is fully automatic and features low internal noise for high-resolution modulation analysis.
Designed for comprehensive RF diagnostics, it offers several configuration options including rear-panel connections, internal reference oscillator, external LO compatibility, and wide-range AC line operation. AM/FM calibrators and various mounting hardware options are also available.
Testwall can supply the used Keysight (Agilent) 8901A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 8901A.





