Hp / Agilent 8657b Synthesized Signal Generator, 100 Khz To 2060 Mhz

US $949.00

  • Fairfax, Virginia, United States
  • Jan 29th
Operator manual on CD included Feet with tilt stands installed Unit is very clean with wear from normal lab use The HP 8657B is a programmable synthesized signal generator that combines performance, quality, and economy, covering the 0.1 to 2060 MHz frequency range. Precise Output Control The HP 8657B provides a ± 1.0 dB absolute level accuracy and 0.1 dB resolution with calibrated power levels over +13 to -127 dBm.  The output level can be offset to compensate for losses external to the generator.  RF leakage is well-shielded at < 1.0 mV and 25 ?  reverse power protection guards against accidental damage. Versatile Modulation The HP 8657B is capable of simultaneous AM and FM modulation.  The instrument provides internal 1 kHz and 400 Hz sources and also accepts external sources.  AM is ac-coupled, while FM can be either ac- or dc-coupled.  The dc-coupling is exceptionally stable (< 10 Hz/hour drift) and accurate (± 500 Hz center frequency accuracy). 8657B Synthesized Signal Generator The HP  8657B offer excellent performance at an affordable price.  The HP 8657B covers 100 kHz to 2060 MHz. High-Performance Spectral Purity and Output Power The low residual FM (< 4 Hz at frequencies < 1040 MHz) and the excellent phase noise performance of these signal generators make them ideal for almost all measurements requiring test signals at adjacent or out-of-channel offsets.  Features such as carrier phase adjust allow you to characterize phase-sensitive devices such as phase detectors or phase interferometers, using precise 1-degree phse offsets with respect to another signal source.  Display blanking and nonvolatile memory-clear are also available for operation in secure environments. These signal generators offer a wide dynamic output range, from +13 to -143.5 dBm, with unparalleled accuracy of ± 1.0 dB. The solid-state electronic attenuator in the HP 8657A is so reliable, it is backed with a five-year warranty against failure. The HP 8657B also has extremely sensitive circuitry.  Reverse power protection is provided standard for protection up to 50 ?. High-Performance Versatile Modulation The  8657B can combine modulation modes for AM/AM. Fm/FM, and AM/FM from both internal and external modulation sources.  AM is ac-coupled, while FM can be either ac- or dc-coupled.  The patented dc-coupling technique provides excellent long term stability (< 10 Hz/hour drift) as well as center frequency accuracy (± 500 Hz worst case).  When dc FM is enabled, SSB phase noise and residual FM performance are not degraded as with other generators.   Ease of Operation for Improved Productivity Up to 100 complete front-panel setups can be stored in the signal generator's memory for recall during testing.  These setups can be accessed sequentially by pushing one front-panel key or by using the rear-panel SEQ port.  The SEQ port can be connected to a foot switch or other operator-controlled device.
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand HP / Agilent
MPN HP 8657B
Model HP 8657B
Country/Region of Manufacture United States

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