Diode detector with linearity compensating circuit

Details Diode detector with linearity compensating circuit Diode detector with linearity compensating circuit

1982-03-31

1985-02-26

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329168, 329204, 329205R, 329206, 455337, H03D 110

Patent

active

045020159

ABSTRACT:
The detector circuit disclosed comprises a semiconductor diode bridge providing full wave output through an operational amplifier. The amplifier is enclosed within a feedback loop in which is interposed at least one diode matched to the detector diodes so as to enhance the linearity of operation of the detector-amplifier combination over a range of operating temperature and input signal levels.

REFERENCES:
patent: 3264571 (1966-08-01), Meindl et al.
patent: 3522548 (1970-08-01), Heuner et al.
patent: 3681623 (1972-08-01), Hoffman, Jr. et al.
patent: 3740658 (1973-06-01), Loving
patent: 3939433 (1976-02-01), Okada et al.
patent: 3980963 (1976-09-01), Doi
Schwerdt et al., "Build a Linear, High-Frequency Detector with Low Offset and Wide Dynamic Range", Electronic Design, vol. 23, No. 12, Jun. 7, 1975, p. 98.

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