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Keysight (Agilent)

Keysight (Agilent) 83731B

1-20GHz Signal Generator
1 to 20 GHz Frequency Range
1 kHz Frequency Resolution
< -55 dBc at < +6 dBm Harmonics
< -60 dBc at ≥ 3 kHz offset Non-Harmonics
< 50 ms to within 1 kHz Switching Speed
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Attribute Value
Frequency Range 1 to 20 GHz
Frequency Resolution 1 kHz
Harmonics < -55 dBc at < +6 dBm
Non-Harmonics < -60 dBc at ≥ 3 kHz offset
Switching Speed < 50 ms to within 1 kHz
Output Power -4 dBm to +13 dBm below 1 GHz, +11 dBm to 18 GHz, +10 dBm to 20 GHz
SSB Phase Noise -76 dBc/Hz at 10 to 20 GHz, 10 kHz offset
Modulation AM, FM, pulse; on/off > 80 dB
Level Accuracy ±1.0 dB at 50 MHz to 20 GHz, -4 dBm to max. (spec.)
Modulation Bandwidth AM DC to > 100 kHz; FM 1 kHz to 1 MHz rate, 10 MHz peak deviation
Timebase Aging 10 MHz, < 1 × 10⁻⁸ per day
RF Output Connector Type-N
Interfaces GPIB
Dimensions 426 × 133 × 498 mm
Weight 16 kg
Keysight Technologies 83731B Options:
  • 83731B - 1E1 - Adds 110 dB output step attenuator
  • 83731B - 1E2 - Adds internal modulation generator
  • 83731B - 1E5 - Adds high-stability timebase
  • 83731B - 1E8 - 1 Hz frequency resolution
  • 83731B - 1E9 - 3.5 mm RF output connector
  • 83731B - 800 - Analog phase modulation
  • 83731B - 0B2 - Extra operating manual
  • 83731B - 0BV - Service documentation, component level
  • 83731B - 0BW - Service documentation, assembly level
  • 83731B - 1CM - Rack mount kit (Part number 5062-3977)
  • 83731B - 1CP - Rack mount and handle kit (Part number 5062-3983)
  • 83731B - 1CR - Rack slide kit (Part number 1494-0059)
Calibration Form Keysight (Agilent) 83731B

Repair Form Keysight (Agilent) 83731B
Maximum file size: 40MB

The Keysight (Agilent) 83731B Synthesized Signal Generator delivers premium signal integrity with a frequency range that meets diverse testing demands. Offering pulse, scan, frequency, and phase modulation, it ensures exceptional performance with low harmonic distortion (<-55 dBc) and high output power (+20 dBm below 1 GHz).

Ideal for testing radar and EW receivers, simulating scanning antennas, and supporting communications and satellite systems, the 83731B is versatile and powerful.

Testwall can supply the used Keysight (Agilent) 83731B, 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) 83731B.

Options and configurations

  • Frequency Resolution: 1 kHz (1 Hz with Opt. 1E8)
  • Output Power: -4 dBm (-110 dBm with Opt. 1E1) to +13 dBm below 1 GHz, +11 dBm to 18 GHz, +10 dBm to 20 GHz
  • Modulation: AM, FM, pulse (ΦM with Opt. 800); on/off > 80 dB
  • Timebase Aging: 10 MHz, < 1 × 10⁻⁸ per day (< 1.5 × 10⁻⁹ per day with Opt. 1E5)
  • RF Output Connector: Type-N (3.5 mm with Opt. 1E9)
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