Keysight (Agilent) Technologies E8257D PSG Analog Signal Generator

Agilent E8257D


Key Features & Specifications

Signal characteristics

  • 100 kHz to 20, 31.8, 40, 50 or 67 GHz, operational to 70 GHz (.001 Hz resolution), and 10 MHz to 20 GHz (Option 521 only)
  • Extendable to 75, 90, 110, 140, 170, 220, 325, or 500 GHz - Millimeter-wave source modules
  • +26 dBm @ 20 GHz, +17 dBm @ 40 GHz, +14 dBm @ 67 GHz output power, >+30 dBm @ 6 GHz with Option 521
  • Industry’s best SSB phase noise with Option UNY: -143 dBc/Hz (typ) for a 1 GHz signal at 10 kHz offset


  • AM, FM, ØM, pulse, and scan
  • Typical 6 ns rise/fall times and 20 ns pulse width
  • Dual internal function generators: sine, square, triangular, ramp, and noise


  • Step, list, and ramp sweep (frequency and power)
  • Source control using PSA Series Option 215
  • Keysight (Agilent) 8757D scalar network analyzer code compatible

Automation and communication interface

  • 10BaseT LAN and GPIB
  • SCPI and IVI-COM drivers
  • Backwards compatible with all PSG signal generators


Industry's best performance up to 67 GHz

  • Industry-leading output power, level accuracy, and phase noise performance up to 67 GHz (operational to 70 GHz)
  • High output power and superior level accuracy often eliminate the need for an external amplifier for testing high power devices
  • Identify errors early in the design process with minimized test uncertainty
  • World-class phase noise performance (typically -126 dBc/Hz @ 10 GHz carrier and 10 kHz offset) is ideal for local oscillator, low jitter clock substitution and adjacent channel selectivity tests
  • High performance for testing advanced RF & microwave radar, communications, and control systems

Modular microwave signal generator platform – optionally add AM, FM, ØM, and/or Pulse

Generate continuous wave (CW) signals for LO substitution or swept stimulus response analysis. Optionally add AM, FM, ØM and/or pulse modulation to accurately characterize RF and microwave components and devices. Many performance enhancement options are also available to configure the signal generator to meet your specific test requirements. Tailor the PSG for today's RF and microwave test applications and easily upgrade in the future as your needs change. 

Keysight (Agilent) Technologies   E8257D   Used   50646  

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Agilent E8257D

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