Stacked transistor output amplifier

Details Stacked transistor output amplifier Stacked transistor output amplifier

1976-12-22

1978-03-14

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including particular biasing arrangement

330311, H03F 304

Patent

active

040793362

ABSTRACT:
In transistor output stages, where the applied voltage exceeds the voltage rating of available transistors, stacking is employed to divide the voltage across two or more series connected devices. A complementary emitter follower transistor is employed in the biasing of the stacking transistor along with a current source acting as the emitter follower load. This arrangement provides constant current drive for the stacking transistor without resorting to low value biasing resistors which produce excessive current flow under quiescent conditions.

REFERENCES:
patent: 3668541 (1972-06-01), Pease
patent: 3714600 (1973-01-01), Kuijk

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