Radio receiver having automatic bandwidth control during tuning

Details Radio receiver having automatic bandwidth control during tuning Radio receiver having automatic bandwidth control during tuning

1989-09-27

1991-09-17

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455266, 455295, 381 12, 381 15, H04B 116

Patent

active

050502379

ABSTRACT:
In this radio receiver, the charge on a capacitor (14) controls the bandwidth of filters in the receiver's audio circuits. When tuning the radio, a bandwidth control circuit (13) forces this capacitor (14) to discharge, thereby forcing the audio path to be bandwidth restricted, thereby minimizing interstation noise reproduction.

REFERENCES:
patent: 4356568 (1982-10-01), Ogita et al.
patent: 4429279 (1984-01-01), Wycoff et al.
patent: 4455674 (1984-06-01), Sano
patent: 4563651 (1986-01-01), Ohta et al.
patent: 4598426 (1986-07-01), Shiojima
patent: 4680795 (1987-07-01), Ecklund
patent: 4688254 (1987-08-01), Ecklund
patent: 4712241 (1987-12-01), Ecklund

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