AM Detecting circuit

Details AM Detecting circuit AM Detecting circuit

1980-02-29

1982-03-02

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329163, 329166, 329169, H03D 106, H03D 118

Patent

active

043180507

ABSTRACT:
A single-ended push-pull amplifier converts a single-ended input into a balanced signal which, after amplification, is fed to the bases of alternately operating transistors, and the resulting inverted, or out-of-phase output currents of the inverting transistors are fed back to almost exactly equal the signal current fed to the amplifier. The base drives required to produce such fed-back currents are also fed to the bases of output driver circuit transistors where a full-wave rectified replica of the input signal is produced.

REFERENCES:
patent: 3517267 (1970-06-01), Ferrieu
patent: 3857047 (1974-12-01), Knight
patent: 3965435 (1976-06-01), Kriedt et al.

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