Low-level preamplifier circuit

Details Low-level preamplifier circuit Low-level preamplifier circuit

1978-11-06

1980-03-25

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330149, 330267, 330294, 330302, 330311, H03F 126, H03F 1183

Patent

active

041952677

ABSTRACT:
In a low-level audio preamplifier circuit having complementary connected PNP and NPN bipolar transistors cascode coupled to other complementary PNP and NPN bipolar transistors in receiving the audio input from a low-level transducer in which induced distortion from externally generated radio frequence energy is cancelled.

REFERENCES:
Simpson, "Auditec K07 80W RMS Per Channel Stereo Amplifier," Electronics Australia, Mar. 1977, pp. 86-89.

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