Receiver for multicarrier signals protected from unwanted signal

Details Receiver for multicarrier signals protected from unwanted signal Receiver for multicarrier signals protected from unwanted signal

1983-05-02

1985-04-02

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

455247, 455249, 455251, 455303, 455311, H04B 126

Patent

active

045092060

ABSTRACT:
The invention relates to a multicarrier signal receiver protected against unwanted signals. Between the high frequency circuit and the intermediate frequency circuit, it has a frequency-selective attenuation and preselection circuit, while a circuit for detecting the disturbed channels is coupled to the demodulation circuit and supplies control signals characteristic of the appearance and disappearance of the unwanted signals. The receiver also comprises a control circuit eliminating the disturbed channel for processing demodulated signals and for the automatic control of the intermediate frequency amplifier circuit, and controlling the attenuation of the disturbed channel in the selective attenuation circuit.

REFERENCES:
patent: 3042800 (1962-07-01), Gluth
patent: 3411088 (1968-11-01), Hutchison
patent: 3667043 (1972-05-01), Ahlgren
patent: 3831095 (1974-08-01), Mounce
patent: 4126828 (1978-11-01), Kumagai

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