Keysight (Agilent)
Keysight (Agilent) 8644B
1GHz High Performance Signal Generator
0.25 MHz to 2060 MHz Frequency Range
1 Hz Frequency Resolution
-136 dBm to +13 dBm Output Power Range
0.1 dB Output Power Resolution
-136 dBc/Hz at 20 kHz offset (1 GHz carrier) SSB Phase Noise

| Attribute | Value |
|---|---|
| Frequency Range | 0.25 MHz to 2060 MHz |
| Frequency Resolution | 1 Hz |
| Output Power Range | -136 dBm to +13 dBm |
| Output Power Resolution | 0.1 dB |
| SSB Phase Noise | -136 dBc/Hz at 20 kHz offset (1 GHz carrier) |
| Frequency Switching Speed | Less than 10 ms |
| Harmonic Spurious | Less than -30 dBc |
| FM Deviation Range | 0 to 4 MHz peak deviation |
| Output Impedance | 50 Ohm |
| Interface | GPIB (IEEE-488) |
Keysight (Agilent) 8644B 1GHz High Performance Signal Generator Options:
- 8644B - 001 - High Stab Timebase
- 8644B - 002 - 2GHZ Doulbled Output
- 8644B - 003 - Rear Panel Connections
- 8644B - 004 - Low Noise Option
- 8644B - 005 - Electronic Attenuator
- 8644B - 008 - Pulse Modulation
- 8644B - 009 - Specified Vor/Ils
- 8644B - 010 - Reduced Leakage Configuration
- 8644B - 011 - 2GHZ Internal Frequency Counter
| Model | 8644B |
|---|
The Keysight (Agilent) 8644B 1GHz Signal Generator delivers top-tier performance with -136 dBc/Hz SSB phase noise and -105 dBc spurious, featuring solid-state switching and 1.0 dB level accuracy.
Its built-in modulation synthesizer supports frequencies up to 400 kHz and dual-tone waveforms like sine, square, triangle, sawtooth, and Gaussian noise.
Testwall can supply the used Keysight (Agilent) 8644B, 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) 8644B.





