Receiver for mobile communication systems

Details Receiver for mobile communication systems Receiver for mobile communication systems

1986-01-27

1988-10-04

Masinick, Michael A.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455207, 455209, 455302, H04B 110

Patent

active

047760397

ABSTRACT:
A receiver suitable for use at very high frequency bands in which an antenna output is filtered, amplified and then mixed with a local oscillator in a frequency convertor to provide an intermediate frequency. The intermediate frequency is provided to a quadrature detector which directly converts the intermediate frequency into two baseband signals whose phases differ by 90.degree.. The baseband signals are independently amplified and demodulated in a common demodulator which provides a single output signal.

REFERENCES:
patent: 3568067 (1971-03-01), Williford
patent: 4344178 (1982-08-01), Waters
patent: 4470145 (1984-09-01), Williams

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