Intermediate potential generating circuit

Details Intermediate potential generating circuit Intermediate potential generating circuit

1987-12-28

1989-03-14

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

307297, G05F 330

Patent

active

048127353

ABSTRACT:
This invention provides an intermediate potential generating circuit comprising a load element of which one end is connected to a first potential supply source, a first transistor of a first conductivity type of which one end and the gate thereof are connected to the other end of the load element, a second transistor of a second conductivity type of which one end is connected to the other end of the first transistor, and the gate and the other end thereof are connected together, a constant-voltage means connected between the other end of the second transistor and a second potential supply source for causing a specific voltage drop between the ends of the contant-voltage means, a third transistor of the first conductivity type of which one end is connected to the first potential supply source, the gate is connected to a node between the load element and the first transistor, and the other end thereof is connected to an output terminal, and a fourth transistor of the second conductivity type which is connected between the output terminal and the second supply source and of which the gate is connected to a node between the second transistor and the constant-voltage means.

REFERENCES:
patent: 4100437 (1978-07-01), Hoff, Jr.
patent: 4128816 (1978-12-01), Shimotsuma
patent: 4300061 (1981-11-01), Mihalich et al.
patent: 4347476 (1982-08-01), Tam
patent: 4375596 (1983-03-01), Hoshi
patent: 4675557 (1987-06-01), Huntington

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