Restricted rate of change phase lock loop apparatus

Details Restricted rate of change phase lock loop apparatus Restricted rate of change phase lock loop apparatus

1978-05-25

1979-09-04

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

331 17, 331 25, 331 27, 331158, 331177V, H03B 304

Patent

active

041669843

ABSTRACT:
A phase lock loop is illustrated which includes clamp means for controlling the rate of change of the output phase to no more than a preselected value. This feature has been found to be beneficial in certain applications such as temporary restraint of the dynamics of a phase lock loop of a data alignment unit of a communications system where downstream equipment cannot tolerate more than a predetermined phase change per unit time without losing synchronization.

REFERENCES:
patent: 3939438 (1976-02-01), Taylor
patent: 4074207 (1978-02-01), Forsberg

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