Output processing circuit for radio frequency receiver

Details Output processing circuit for radio frequency receiver Output processing circuit for radio frequency receiver

1988-08-24

1990-05-01

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455295, 455336, H04B 116, H04B 110

Patent

active

049214667

ABSTRACT:
An output processing circuit comprises a level detector for detecting a level of a signal corresponding to an intensity of a reception electric field, a gradient controller for controlling a gradient of a signal level detected by the level detector so as to correspond to the intensity of the electric field, a potential slider including a level shifter having a variable shift amount for shifting the level detected by the level detector by a predetermined amount, and an output control circuit for processing a reception signal in accordance with an output level from the potential slider. The output processing circuit includes a level shifter having a variable level shift amount for shifting the level of the signal detected by the level detector by a predetermined amount. The operation range of the output control circuit is continuously changed.

REFERENCES:
patent: 3821649 (1974-06-01), Grosjean
patent: 4186351 (1980-01-01), Brefini et al.
patent: 4219778 (1980-08-01), Ishii
patent: 4525868 (1985-06-01), Kage et al.

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