Gain control systems

Details Gain control systems Gain control systems

1981-03-26

1983-09-06

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

328145, 307493, H03G 310, G06G 712

Patent

active

044031998

ABSTRACT:
An improved gain control circuit of the "eight transistor gain cell" type is disclosed. The improvements comprise (1) means for operating the circuit as a Class AB amplifier and (2) means for reducing the distortion component in the output signal due to the inherent parasitic base and emitter resistances of the transistors of the gain cell of the gain control circuit.

REFERENCES:
patent: 4225794 (1980-09-01), Buff

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