Current scaling circuitry

Details Current scaling circuitry Current scaling circuitry

1979-06-28

1981-07-14

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

330293, H03F 304, H03F 134

Patent

active

042789460

ABSTRACT:
Within current scaling circuitry having bipolar transistors of the same conductivity type disposed in principal master and slave paths, the negative feedback current gain around the principal master path transistor is regulated in direct proportion with the level of a current source that is independent from both of the principal master and slave paths, to substantially achieve tracking between the level of the current source and the levels of current flow through the principal master and slave paths.

REFERENCES:
patent: 3754181 (1973-08-01), Kreitz et al.
patent: 3956645 (1976-05-01), Boer
patent: 4019121 (1977-04-01), Feindt
patent: 4176308 (1979-11-01), Dobkin et al.

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