Circuit for generating very small currents

Details Circuit for generating very small currents Circuit for generating very small currents

1993-09-30

1995-06-20

Skudy, R.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

G05F 316, G05F 320

Patent

active

054263590

ABSTRACT:
The relationship of a reference current of a current balancing circuit to a first output current at the collector of an output transistor is adjusted via the dimensioning of a first resistance R in the emitter of the output transistor of a current balancing circuit. By adding a second current balancing circuit with a second resistor R' contained therein and which provides a second output current, there results, for R=R', the relationship of the first output current to the second output current corresponding to the relationship of the reference current to the first output current.

REFERENCES:
patent: 3867685 (1975-02-01), Ahmed
patent: 3921013 (1975-11-01), Ahmed
patent: 3952257 (1976-04-01), Schade, Jr.
patent: 4030042 (1977-06-01), Limberg
patent: 4045694 (1977-08-01), Ahmed
patent: 4055774 (1977-10-01), Ahmed
patent: 4225816 (1980-09-01), Schade, Jr.
patent: 4673867 (1987-06-01), Davis

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