Comparison of PSK and of multilevel AM data modulators

1 August 1976

journal article
research article
Published by Taylor & Francis in International Journal of Electronics

Vol. 41 (2), 153-158
https://doi.org/10.1080/00207217608920622

Abstract

Coherent quaternary PSK (QPSK) and quaternary AM (QAM) models are compared and conditions for their equivalence are presented. Hardware design problems of both ‘soft’ and ‘hard’ driven integrated circuits and balanced mixers and their applications in systems are described. An approach to PSK modulator design employing only digital circuits is also discussed. The theory is illustrated using measurements taken at a rate of 1[sdot]544 Mbit/s.

Keywords

MODULATOR DESIGN
INTEGRATED CIRCUITS
MIXERS
DATA MODULATORS
MODULATORS COHERENT
QUATERNARY PSK
COHERENT QUATERNARY

This publication has 1 reference indexed in Scilit:

Performance Evaluation Criteria of Hybrid Microwave Systems
IEEE Transactions on Communications, 1974

Cited by 2 articles