Reference current source

Details Reference current source Reference current source

1987-03-25

1988-11-15

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323315, G05F 320

Patent

active

047852313

ABSTRACT:
At a reference current source with two transistors and a controlled double current source, the base of the second transistor is connected to the collector of the first transistor, the emitter of the first transistor is connected to a reference point, the first terminal of the controlled double current source is connected to the first transistor, and the second terminal of the controlled double current source is connected to the collector of the second transistor. Either a first resistor is inserted between the base and the collector of the first transistor, and the emitter of the second transistor is connected to the reference point or the first resistor is inserted between the emitter of the second transistor and the reference point, and the base and the collector of the first transistor are connected to one another. A resistor is connected between the base of the first transistor and the reference point and/or a resistor is connected between the collector of the second transistor and the reference point.

REFERENCES:
patent: 4059793 (1977-11-01), Ahmed
patent: 4091321 (1978-05-01), Hanna
patent: 4350904 (1982-09-01), Cordell
patent: 4446419 (1984-05-01), van de Plassche et al.
patent: 4587478 (1986-05-01), Kasperkovitz et al.
patent: 4629973 (1986-12-01), Voorman

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