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HP 86290B sweep oscillator (2 - 22 GHz)

Question asked by amfmrad on Jul 17, 2010
Latest reply on May 18, 2016 by jfphp
I have an HP 86290B with option H08. The frequency of this sweep oscillator plug goes from 2 GHz to 22 GHz.  However, the frequency reference from the BNC connector on the back of the unit only goes up to a maximum of 18.8 volts when measured using my DVM. I thought it was supposed to produce an output of about 1 volt/GHz so that the voltage should go up to 22.0 volts?  I checked the output frequency, however, and it does go to 22 GHz at the end of the scale.