Phase canceller for carrier recovery network

Details Phase canceller for carrier recovery network Phase canceller for carrier recovery network

1980-03-27

1983-01-11

Chin, Tommy P.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

307262, H04B 116

Patent

active

043685420

ABSTRACT:
A phase canceller for a carrier recovery network (CRN) to cancel phase shifts associated with the band pass filter in the network. The canceller is a semiconductor device receiving an input signal at one junction to cause emitted carriers to migrate to a collector at a controlled rate determined by an applied electric field between a pair of ohmic contacts located between emitter and collector junctions with the field control by a signal from a phase detector in the AFC loop of the CRN.

REFERENCES:
patent: 3141135 (1964-07-01), Amlinger
patent: 3480865 (1969-11-01), Sanders
patent: 3548296 (1970-12-01), Sundstrom
patent: 3649847 (1972-03-01), Limberg
patent: 3675132 (1972-07-01), Hansen
patent: 3986113 (1976-10-01), Vifian
patent: 4086593 (1978-04-01), Chelikowsky
patent: 4152669 (1979-05-01), Igarashi
Technical Proposal for Phase II TDMA Burst Modem, prepared by Satellite Business Systems, Fujitsu Limited, May 1979, pp. 4-12 to 4-26.

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