It works! 10 transistors, a few are used in questionable purposes (or maybe my radio knowledge has gaps!)
One is a "rejection regulator", its collector tied to the local oscillator coil tap, the base and emitter tied to ground (seems that transistor would do nothing like that, well maybe the base-collector junction would act like a diode to clip excessive oscillator amplitude and via emitter follower action clip excessive radio station amplitude). Another transistor is a detector diode. And another looks to be a temperature compensator for the audio output transistors. The first IF amp is a grounded base amplifier configuration, the first IF "transformer is actually a series LC circuit that would be what you'd use to drive a low impedance emitter. The converter transistor feeds a tap on the coil section.
This radio uses that strange circuit board technology GE liked back in the late 60's. A single sided board with plated thru holes. This radio shows up in the 1966 Beitman's.
10-12-2014, 06:55 PM
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