Tuner capable of reducing power consumption and heat generation

Details Tuner capable of reducing power consumption and heat generation Tuner capable of reducing power consumption and heat generation

1995-05-22

1997-12-09

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

455317, 455319, 455316, 331 77, H04B 126, H03B 100

Patent

active

056970951

ABSTRACT:
There is provided a tuner capable of improving reliability thereof with reduced power consumption and reduced heat generation. In the tuner, one wideband amplifier circuit including one transistor constitutes a buffer amplifier. The wideband amplifier circuit is coupled with a first local oscillator circuit in a DC coupling style. With the above-mentioned arrangement, the buffer amplifier is allowed to have a simplified circuit construction and reduce noises. Since the amplifier circuit and the local oscillator circuit are coupled with each other in a DC coupling style, reduced power consumption can be achieved.

REFERENCES:
patent: 3051932 (1962-08-01), Cressey et al.
patent: 3107331 (1963-10-01), Barditch et al.
patent: 3823380 (1974-07-01), Young
patent: 4731875 (1988-03-01), Mizukami et al.
patent: 4928314 (1990-05-01), Grandfield et al.
patent: 5107228 (1992-04-01), Pham et al.
patent: 5481227 (1996-01-01), Komori et al.

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