Circuit for limiting jitter transients during switching of phase

Details Circuit for limiting jitter transients during switching of phase Circuit for limiting jitter transients during switching of phase

1984-09-25

1986-07-15

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural a.f.s. for a single oscillator

331 14, 331 17, 331 25, H03L 710

Patent

active

046008969

ABSTRACT:
A phase comparator is included with each incoming channel to compare the clock phase of the incoming signal and a local oscillator. The phase comparator of an on-line active unit generates a signal to control the oscillator to maintain its output in phase with the incoming signal. The generated control signal is also connected to capacitor storage in associated channel phase comparators to provide them with an initial starting control voltage when they are switched in to be the receiving channels. Thus eliminating the uncontrolled operation of the oscillator during switching interval.

REFERENCES:
patent: 4511859 (1985-04-01), Dombrowski

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