Resonance selection circuit for series connection in a radio rec

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

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Details

455212, 455218, 455338, H04B 116

Patent

active

044647930

ABSTRACT:
A selection circuit for series connection between the output of the detector stage and the input of the audio amplifier. The selection circuit requires a minimum number of components and is useful to drive a tuning indicator or similar type circuit.

REFERENCES:
patent: 2770721 (1956-11-01), Clark
patent: 3129288 (1964-04-01), De Vries
patent: 3188571 (1965-06-01), Michael
patent: 3339026 (1967-08-01), Csicsatka et al.
patent: 3568068 (1971-03-01), Russell, Jr.
patent: 3626294 (1971-12-01), Dancy
patent: 3783387 (1974-01-01), Wernli
patent: 3896386 (1975-07-01), Ohsawa
patent: 4112371 (1978-09-01), Ogita

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