An HP 8594E spectrum analyzer with its calibrator output connected to its input
Two weeks ago I got this broken #HP8594 #spectrum #analyzer at #HAMRADIO fair in #Friedrichshafen
After a long night, multiple filter alignments and my own "interpretation" of the service manual, the unit is back alive⚡
Now I need a GPIB adapter & sig gen as well😝
#hp #radio
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