Phase locked demodulator

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307232, 307295, 329111, 329122, H03B 304, H03D 1300, H03D 300, H03K 906

Patent

active

040514404

ABSTRACT:
A phase detector provides a voltage output which depends upon the phase difference between a limited input signal and a reference signal. The phase detector increases the dynamic range of the resultant phase locked loop. An embodiment which illustrates the capability of the design is a SECAM color difference signal demodulator.

REFERENCES:
patent: 2794123 (1957-05-01), Younker
patent: 2931981 (1960-04-01), Schabauer
patent: 3164777 (1965-01-01), Guanella
patent: 3600692 (1971-08-01), McGee
patent: 3813604 (1974-05-01), Denoncourt

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