Microwave demodulator for digital radio links using QAM type mod

Details Microwave demodulator for digital radio links using QAM type mod Microwave demodulator for digital radio links using QAM type mod

1991-08-27

1992-08-11

Mis, David

Demodulators

Phase shift keying or quadrature amplitude demodulator

329308, 375 81, 375 86, H03D 300, H03D 328

Patent

active

051382725

ABSTRACT:
A microwave demodulator for a digital radio link using QAM type modulation, comprising on one path, a first circuit for compensating quadrature error and, on the other path, a second circuit for compensating the delay and temperature variations of the first circuit. The invention is particularly applicable to digital radio beams.

REFERENCES:
patent: 4546322 (1985-10-01), Crutcher
Hewlett-Packard Journal, vol. 38, No. 11, Dec. 1987, Palo Alto, USA, pp. 25-29, Gildea & Chambers "Vector Modulation in a Signal Generator".

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