Demodulators – Amplitude modulation demodulator – Having specific distortion – noise or other interference...
Patent
1976-12-30
1978-05-02
Grimm, Siegfried H.
Demodulators
Amplitude modulation demodulator
Having specific distortion, noise or other interference...
307233R, 329103, 333 76, H03D 326
Patent
active
040877574
ABSTRACT:
The method of designing a circuit having a substantially constant delay over a given frequency band and having a substantially linear attenuation characteristic or amplitude change characteristic over the same frequency band and the product resulting from such a design approach. One such approach uses a primary tank circuit having a given Q and amplitude response feeding two secondary tank circuits each of which have a higher Q and amplitude response and wherein the resonant points are on either side of the resonant point of the primary tank. By adjusting the Q, amplitude response and resonant frequency of the three tanks, the "delayless" and linear amplitude change characteristics over a given frequency band can be achieved.
REFERENCES:
patent: RE22996 (1948-04-01), Crosby
patent: 2413913 (1947-01-01), Duke
Crawford Robert J.
Grimm Siegfried H.
Humphries L. Lee
Lutz Bruce C.
Rockwell International Corporation
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