Keysight 8656A FOR RENT
Signal Generator 100 KHz to 990 MHz

Order #: 8656A-RENT2

Mfg #: 8656A

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Keysight 8656A FOR RENT

Signal Generator 100 KHz to 990 MHz

Order #: 8656A-RENT2

Mfg #: 8656A

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Keysight 8656A Highlights

The Keysight 8656A is a synthesized signal generator with a carrier frequency range of 100 kHz to 990 MHz. Its output amplitude is leveled and calibrated from +13 to -127 dBm. AM and FM functions can be individually selected. The carrier frequency, output amplitude, and modulation functions can be remotely programmed via the Hewlett-Packard Interface Bus (HP-IB). The unique modular design and incorporated service features permit rapid and easy calibration and service.

The signal generator covers a carrier frequency range of 100 kHz to 990 MHz (10 kHz to 990 MHz with underrange), which can be extended to 1.8 GHz with an external doubler. Frequency resolution is 100 Hz or 250 Hz depending on the carrier frequency selected. An 8-digit LED display of the carrier frequency in MHz is provided. Pushbutton keys permit coarse tuning, fine tuning, and incrementing of the carrier frequency. Frequency accuracy and stability are dependent on the reference source being used - either the internal 50 MHz reference oscillator or an external source that operates at 1, 5, or 10 MHz. An optional 10 MHz crystal reference is available for increased accuracy and stability.

The signal generator has precise power levels from +13 to -127 dBm with overrange at decreased accuracy. Output amplitude resolution is 0.1 dB. A 3 1/2 digit LED display of output amplitude is provided with 7 LED annuciators used to display unit information.

The signal generator features a versatile internal and external modulation capability for AM and FM. This includes internal 400 Hz or 1 kHz tones; mixed modulation, such as AM/FM, AM/AM, or FM/FM; and the capability to accept low frequency digital unsquelching signals. A 2-digit display of AM depth or FM peak deviation frequencies is provided with 10 LED annunciators used to display internal or external modulation source information. Simple keyboard entries of AM depth up to 99% with a resolution of 1% and FM peak deviation frequencies up to 99 kHz with resolutions of 100 Hz are possible.

  • Frequency range: 100 kHz to 990 MHz
  • Frequency resolution: 100 Hz, 250 Hz
  • Output level range: +13 dBm to -127 dBm
  • Output level resolution: 0.1 dB
  • Modulation: AM, FM
  • HP-IB (IEEE 488) interface for remote operation and programmable functions
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