1970•IRE Transactions on Communications SystemsRequires access

Advances in Phase-Lock Demodulation

F. Carassa, F. Rocca

Abstract

A procedure for the design of nearly optimum unconditionally stable phase-lock (PL) demodulators is given. The various noise contributions at threshold are investigated and procedures to reduce the noise due to losses of lock are discussed. Experimental results of a nearly optimum 24-telephone-channel PL demodulator equipped with a particular type of threshold noise compensator are given.

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Key concepts: Demodulation, Lock (firearm), Noise (video), Phase (matter), Electronic engineering, Computer science, Phase noise, Channel (broadcasting)