Self-biasing amplifier stage

Details Self-biasing amplifier stage Self-biasing amplifier stage

1978-10-10

1979-10-30

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, 330288, 330296, H03F 345

Patent

active

041729994

ABSTRACT:
A self-biasing amplifier stage including a first transistor arranged as a common emitter amplifier. A current amplifier is connected for receiving collector current from the first transistor responsive to which an output current is provided which is differentially summed with a constant current. The resultant difference current is integrated to generate a potential which potential is applied via a potential follower to the emitter electrode of the first transistor to adjust the current therethrough.

REFERENCES:
patent: 3781699 (1973-12-01), Sakamoto
patent: 3872392 (1975-03-01), Sakamoto et al.
patent: 4077012 (1977-01-01), Iwamatsu
patent: 4088962 (1978-05-01), Trilling

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