FET voltage reference circuit with threshold voltage compensatio

Details FET voltage reference circuit with threshold voltage compensatio FET voltage reference circuit with threshold voltage compensatio

1987-02-12

1987-09-08

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

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

307297, 307304, 323314, 323349, 323350, 365226, G05F 324

Patent

active

046926895

ABSTRACT:
A voltage converting circuit has an output MIS transistor which gives a low output impedance and outputs an intermediate level of power source voltage. The output level is set with a high accuracy through a voltage dividing ratio determined by an impedance element. This impedance element is connected with a compensating MIS transistor to compensate for variations of the gate threshold voltage caused by the manufacturing process.

REFERENCES:
patent: 3823332 (1974-07-01), Feryszka et al.
patent: 4197511 (1980-04-01), Bell
patent: 4453121 (1984-06-01), Noufer
patent: 4641081 (1987-02-01), Sato et al.
patent: 4649291 (1987-03-01), Konishi
IBM Technical Disclosure Bulletin, vol. 26, No. 4, Sep. 1983, p. 2073, New York, U.S.; R. D. Burke: "FET Voltage Regulator Circuit".
Askin et al., "FET Device Parameters Compensation Circuit", IBM Tech. Discl. Bul., vol. 14, No. 7, pp. 2088, 2089, Dec. 1971.

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