Class AB complementary transistor output stage having large outp

Details Class AB complementary transistor output stage having large outp Class AB complementary transistor output stage having large outp

1996-03-29

1998-07-28

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330265, H03F 330

Patent

active

057867313

ABSTRACT:
A complementary Class AB output stage including a Class AB complementary common emitter quiescently biased by means of current mirrors and a Class AB complementary emitter follower circuit having its emitters connected to the common emitter stage outputs and its collectors connected to the base terminals of the common emitter transistors thus achieving large output swing and large output drive current with very low quiescent current in the common emitter portion of the circuit.

REFERENCES:
patent: 4570128 (1986-02-01), Monticelli
patent: 4814723 (1989-03-01), Botti
patent: 5442320 (1995-08-01), Kunst et al.
Smith, Doug, Koen, Mike, Witulski, Arthur, F., "Evolution of High-Speed Operational Amplifer Architectures", IEEE Journal of Solid-State Circuits, vol. 29, No. 10, Oct. 1994.

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