Silicon Investigations HP 8756A Network Analyzer Repair Service

The HP (Agilent, Keysight) 8756A Scalar Network Analyzer can accurately measure insertion loss and gain, return loss, and absolute power quickly and accurately.  These scalar measurements can be performed over a broad 10Mhz to 40Ghz frequency range.  Accessories include the HP 11664 diode detectors and directional bridges HP 85020 and HP 85021.

These analyzers were known for display failures, problems with the power supplies, and analog processor board failures.  We usually have exchange spares in stock for most common problems.  These machines are still a good value for the dollar on the used market.  If you are looking to buy a refurbished machine, please contact us to check availability.  Please contact us for information on repairing your machine.

HP (Agilent, Keysight) assembly numbers for major components:

08756-60002 - Front panel interface board
08756-60072 - Power Supply assembly
08756-60003 - CPU board
08756-60080 - ADC/Analog board
08756-60006 - HPIB Interface board
08756-60005 - Modulator board
08756-60011 - Mother board
A7,A8,A9      - Log Amplifiers

HP (Agilent, Keysight) 8756A Reference Information:
HP 8756A Operation Manual

HP Application Notes:
S-Parameter Design Practices

Please see our shipping information page for packing and shipping of your valuable instrument: Shipping Cautions

Please call us at 920-955-3693 or email [email protected] 

Last Modified May 29, 2020
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