MOS transistor threshold voltage generator

Details MOS transistor threshold voltage generator MOS transistor threshold voltage generator

1993-04-08

1996-02-27

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, G05F 316

Patent

active

054951666

ABSTRACT:
A threshold voltage generator for a field-effect transistor, being of a type adapted to compensate for variations of the threshold voltage from a nominal value, comprising a first amplifier having a first input connected to a current generator; a second amplifier connected ahead of a second input of the first amplifier and having an input connected to another current generator; and a third amplifier connected after the first amplifier and having an output adapted to produce the value of said threshold voltage.

REFERENCES:
patent: 3777235 (1973-12-01), Lahti
patent: 4531699 (1985-08-01), Baker
patent: 4837459 (1989-06-01), Bukowski et al.
patent: 4897596 (1990-01-01), Hughes et al.
patent: 5077518 (1991-12-01), Han
patent: 5159260 (1992-10-01), Yoh et al.
Kearney, "FET Threshold Voltage Dependent Current Generator," Research Disclosure, No. 281, New York, NY, Sep. 1987, No. 281, p. 570.
Moriarty, "FET Threshold Voltage Generator," Research Disclosure, No. 281, New York, N.Y. Sep. 1987, p. 572.
"Silicon Band-Gap Reference Voltage Generators Based on Dual Polysilicon MOS Transistors," IBM Technical Disclosure Bulletin, vol. 32, No. 9B, Armonk, N.Y., Feb. 1990, pp. 4-5.
Tsividis & Ulmer, "Threshold voltage generation and supply-independent biasing in c.m.o.s. integrated circuits," Electronic Circuits and Systems, vol. 3, No. 1, Jan. 1979, pp. 1-4.

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