Receiver apparatus

Details Receiver apparatus Receiver apparatus

1990-12-11

1993-05-18

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Modulation distortion or cross talk correction or elimination

455317, 455326, 455339, H04B 110

Patent

active

052128288

ABSTRACT:
A receiver apparatus having a mixer circuit, an oscillator circuit and a tuner circuit is provided with a trap circuit, interposed between the tuner circuit and the mixer circuit, for removing disturbing mutual modulation waves generated by receiving two or more RF signals. Further, the mixer circuit employs a double balanced mixer structure to offset two or more disturbing mutual modulation waves.

REFERENCES:
patent: 4592095 (1986-05-01), Ohnishi et al.
patent: 4661995 (1987-04-01), Kashiwagi
patent: 4688263 (1987-08-01), Aldridge
patent: 4756024 (1988-07-01), Kupler
patent: 4843637 (1989-06-01), Shimura et al.

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