HP 424A J-Band Crystal Detector 6625-00-839-2329 RF Detector

NOS New Old Stock HP 424A J-Band Crystal Detector 6625-00-839-2329 RF Detector, fits HP model 8690A 8693B sweep oscillator J-band crystal detector; sensitivity range: 70.4 mv/microwatts; maximum swr: 1.35 ghz; rf input: waveguide cover flange Crystal detector W/extremely flat response, provides error voltage to alc input of sweep oscillator L1A8