High speed current amplifier buffer circuit

Details High speed current amplifier buffer circuit High speed current amplifier buffer circuit

1987-09-04

1988-12-13

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330156, H03F 330

Patent

active

047913835

ABSTRACT:
A high speed buffer circuit is composed of complementary symmetry emitter follower driver and output stages. The input of driver stage includes active load devices cross-coupled to the output stage inputs so that the output stage is bootstrap driven from emitter followers. The circuit is biased by level shifting means to operate as a class AB current amplifier. It displays a wide bandwidth along with a high slew rate and can source or sink a large pulsed current.

REFERENCES:
patent: 4500849 (1985-02-01), Nakayama

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