Semiconductor device for amplifying audio signals

Details Semiconductor device for amplifying audio signals Semiconductor device for amplifying audio signals

1996-09-11

1998-06-23

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including temperature compensation means

330307, H03F 3183

Patent

active

057709734

ABSTRACT:
A semiconductor device for amplifying audio signals of the present invention comprises a preamplifier chip for amplifying small signals representing audio signals; a power amplifier chip which receives and power-amplifies the amplified audio signals from the preamplifier chip and outputs the same ; and a frame where the preamplifier chip and the power amplifier chip are mounted and which includes a heat sink area connected to a terminal for heat radiation, wherein the heat sink area is located adjacent to an area in the frame where the power amplifier chip is mounted, and the preamplifier chip, the power amplifier chip and the frame are packaged together.

REFERENCES:
patent: 3667064 (1972-05-01), Thornton et al.

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