Modulators – Amplitude modulator – Nonlinear device controlled by modulating signal
Patent
1983-02-24
1985-02-19
Grimm, Siegfried H.
Modulators
Amplitude modulator
Nonlinear device controlled by modulating signal
331 17, 331 23, 331DIG2, 332 19, 375120, H04L 2712
Patent
active
045008574
ABSTRACT:
A phase locked loop is frequency modulated by means of a modulation signal pplied to the loop filter thereof. The circuit is designed with two time constants, one of which determines the square wave modulation response thereof and the other the loop settling time. Each of these time constants is chosen to optimize the loop modulation response and the loop settling time.
REFERENCES:
patent: 2968769 (1961-01-01), Johnson et al.
patent: 4068198 (1978-01-01), Otto
patent: 4068199 (1978-01-01), Madoff
Bosselaers Robert J.
Elder Richard B.
Grimm Siegfried H.
Lane Anthony T.
Murray Jeremiah G.
The United States of America as represented by the Secretary of
Zelenka Michael
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