Microcomputer controlled synthesizer-type radio receiver

Details Microcomputer controlled synthesizer-type radio receiver Microcomputer controlled synthesizer-type radio receiver

1990-09-05

1993-05-18

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455316, 455317, 381 81, H04B 1500

Patent

active

052128334

ABSTRACT:
An electronic apparatus includes at least a receiver having a synthesizer section for selecting a receiving frequency and providing an information signal corresponding to the selected receiving frequency, a microcomputer operating on a clock signal for controlling the synthesizer section, and a circuit responsive to the information signal for shifting the clock frequency when the selected receiving frequency is a frequency disturbed by a higher harmonic of the clock frequency, thereby to avoid disturbance of reception of the broadcast signal without requiring undue reduction of the clock frequency.

REFERENCES:
patent: 4545072 (1985-10-01), Skutta et al.
patent: 4816774 (1989-03-01), Martin
patent: 4905305 (1990-02-01), Garner et al.
patent: 4907079 (1990-03-01), Turner et al.

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