Modified Foster-Seeley frequency discriminator

Details Modified Foster-Seeley frequency discriminator Modified Foster-Seeley frequency discriminator

1979-02-05

1981-03-03

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329143, H03D 308

Patent

active

042543789

ABSTRACT:
In a Foster-Seeley discriminator circuit having a discriminating resonance circuit, resonance circuits having series resonance characteristics are respectively connected between a signal source and both ends of the discriminating resonance circuit so as to raise the level of a composite output voltage of the frequency discriminator circuit, whereby the sensitivity of the output voltage versus the frequency can be enhanced.

REFERENCES:
patent: 2243417 (1941-05-01), Crosby
patent: 3621409 (1971-11-01), Segawa

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