. QST . 75A-4 Receiver. for NEW EASE in OPERATION The new Collins 75A-4 Receiver, 32W-1 Exciter, and the KWS-1Kilowatt Transmitter are expressly designed for SSB, AM and all Collins Amateur equipment, they meet the same high standardsas Military and Commercial equipment. The 75A-4 Receiver features passband tuning, AVC on SSB,bridged T rejection notch filter, built-in crystal calibrator circuit,separate detectors for AM and SSB, a new noise limiter, and provisionfor three Mechanical Filters together with time-proven features suchas good image rejection, and an accurate linear dial with


. QST . 75A-4 Receiver. for NEW EASE in OPERATION The new Collins 75A-4 Receiver, 32W-1 Exciter, and the KWS-1Kilowatt Transmitter are expressly designed for SSB, AM and all Collins Amateur equipment, they meet the same high standardsas Military and Commercial equipment. The 75A-4 Receiver features passband tuning, AVC on SSB,bridged T rejection notch filter, built-in crystal calibrator circuit,separate detectors for AM and SSB, a new noise limiter, and provisionfor three Mechanical Filters together with time-proven features suchas good image rejection, and an accurate linear dial with calibrationof 1 kc per division. Transmitter features include a SSB generator using Collins Me-chanical Filters, selectable sideband, band switching from to 30mc, voice control or push-to-talk, automatic load control, and dualconversion with crystal controlled high-frequency oscillator andstable, linear, permeability-tuned low frequency oscillator resultingin a linear dial similar to the 75A-4 Receivers. Power inpu


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915