Audio amplifier output circuit

Details Audio amplifier output circuit Audio amplifier output circuit

1978-02-27

1979-03-27

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

179 1A, 330260, 330261, 330268, H03F 3183

Patent

active

041468457

ABSTRACT:
A PNP/NPN complementary pair of common emitter connected output transistors are driven by separate differential amplifiers having unity feedback and biasing to prevent simultaneous operation. Only a single battery supply is required.

REFERENCES:
patent: 3745477 (1973-07-01), Freeburn
patent: 3821656 (1974-06-01), Takeda et al.
patent: 3927333 (1975-12-01), Furuhashi
Turner et al., "Amplifier With Current Output," IBM Technical Disclosure Bulletin, vol. 13, No. 8, Jan. 1971, pp. 2314-2315.

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