Sound intermediate frequency amplifier for a broadcast receiver

Details Sound intermediate frequency amplifier for a broadcast receiver Sound intermediate frequency amplifier for a broadcast receiver

1993-03-12

1995-06-20

Mottola, Steven

Amplifiers

Hum or noise or distortion bucking introduced into signal...

381120, H03F 126

Patent

active

054263948

ABSTRACT:
In a broadcast receiver, a dc voltage operating source is coupled to an operating voltage terminal of a sound IF integrated circuit via a collector/emitter path of a transistor, and a second source of operating voltage is connected via an RC integrating network to the base of the transistor, with the base of the transistor being connected to ground via a zener diode.

REFERENCES:
patent: 3798559 (1974-03-01), Tomita
patent: 4481462 (1984-11-01), De Kleijn
patent: 4633188 (1986-12-01), Matsuta
Translation of "AL" Previously Disclosed on Mar. 11, 1993 of Ger.2854196.
Translation of "AM" Previously Disclosed on Mar. 11, 1993 of EPO 0069843.
Translation of "AN" Previously Disclosed on Mar. 11, 1993 of Ger.3244254.
U.S. patent application Ser. No. 07/703,107, filed May 5, 21, 1991, for M. R. Anderson, et al.
RCA/GE Color Television Basic Service Data CTC 169(DV), published by Thomson Consumer Electronics, Inc., Indianapolis, Ind. in 1990, pp. 2-G-1.

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