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Keysight (Agilent)

Keysight (Agilent) 8644A

260 kHz to 1030 MHz Signal Generator
0.25 MHz to 1030 MHz Frequency Range
-140 dBm to +13 dBm Output Power Range
1 Hz Frequency Resolution
-122 dBc/Hz at 20 kHz offset (at 1 GHz) SSB Phase Noise
0% to 99% AM Modulation Depth
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Attribute Value
Frequency Range 0.25 MHz to 1030 MHz
Output Power Range -140 dBm to +13 dBm
Frequency Resolution 1 Hz
SSB Phase Noise -122 dBc/Hz at 20 kHz offset (at 1 GHz)
AM Modulation Depth 0% to 99%
FM Modulation DC to 100 kHz modulation bandwidth
Output Impedance 50 Ohms
Harmonic Distortion -30 dBc typical
Power Supply 100/120/220/240 VAC, 48-66 Hz
Interface GPIB (IEEE-488)
Keysight Technologies 8644A Options:
  • 8644A - Opt 001 - High stability time base
  • 8644A - Opt 002 - 2 GHz doubled output
  • 8644A - Opt 003 - RF connectors on rear panel only
  • 8644A - Opt 004 - Enhanced spectral purity
  • 8644A - Opt 005 - Electronic attenuator (5-year warranty on attenuator, cannot be used with Opt 002)
  • 8644A - Opt 007 - Synthesized audio oscillator
  • 8644A - Opt 009 - Specified VOR/ILS performance (cannot be ordered with Opt 002 or Opt 005)
  • 8644A - Opt 010 - Reduced leakage configuration
  • 8644A - Opt 011 - 2 GHz frequency counter
  • 8644A - Opt 907 - Front handle kit (5061-9690)
  • 8644A - Opt 908 - Rack flange kit (5061-9678)
  • 8644A - Opt 909 - Rack flange kit with front handles (5061-9684)
  • 8644A - Opt 910 - Provides an additional operation and calibration manual (08644-90009) and two service manuals (08645-90024)
  • 8644A - Opt 915 - Add service manual (08645-90024)
  • 8644A - Opt W30 - Extended repair service
  • 8644A - 08645-61116 - Service kit
Calibration Form Keysight (Agilent) 8644A

Repair Form Keysight (Agilent) 8644A
Maximum file size: 40MB

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Model8644A

The Keysight (Agilent) 8644A Synthesized Signal Generator covers 252 kHz to 2060 MHz and delivers exceptional spectral purity with -136 dBc/Hz phase noise at 20 kHz offset and -100 dBc nonharmonic spurious levels. It supports AM, FM, and pulse modulation with an internal modulation source for complex waveform generation, making it ideal for demanding RF measurement applications.

Designed for R&D and rigorous communications testing, it offers configuration flexibility and reliable performance for precise and repeatable results across diverse testing scenarios.

Testwall can supply the used Keysight (Agilent) 8644A Synthesized Signal Generator, 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) 8644A Synthesized Signal Generator.

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