Low level preamplifier circuit

Details Low level preamplifier circuit Low level preamplifier circuit

1978-02-01

1979-06-19

Mullins, James B.

Amplifiers

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

330265, 330267, 330294, 330304, H03F 126, H03F 3183

Patent

active

041588207

ABSTRACT:
In a low level audio preamplifier circuit having complementary connected PNP and NPN bipolar transistors for receiving the audio input from a low level transducer such as a tape head, in which induced distortion from externally generated radio frequency energy is cancelled with minimal loss of audio fidelity.

REFERENCES:
patent: 2762870 (1956-05-01), Sziklai et al.
patent: 2802067 (1957-08-01), Zawels
patent: 4035737 (1977-07-01), Curl

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