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Re: Old Reciever

September 06, 2014 02:48AM
Very cool, and it seems like it's newer as a 'Super-Heterodyne', if indeed it has an IF amp strip in it. Most radios in the early days were TRF types with variometers, variable coils with one coil inside of the other to tune.

Superheterodyne radios put most of the amplification and selectivity in a strip of fixed tuned circuits and allowed one knob tuning. Superhet was a huge breakthrough in radio tech at the time.

Andy Yoder should comment on this, he's have more details on old radios like this. I'd be interested in the circuit and what kind of detector it uses.

Subject Author Views Posted

Old Reciever

Ragnar 694 September 05, 2014 05:29PM

Re: Old Reciever

Radio Animal 424 September 06, 2014 02:48AM

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