Voltage generating circuit and reference voltage source...

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C323S313000, C327S541000

Reexamination Certificate

active

06882135

ABSTRACT:
A voltage generating circuit includes a plurality of field effect transistors at least partially having gates same in conductivity type but different in impurity concentration. The gates are different in impurity concentration by not less than one digit.

REFERENCES:
patent: 3639813 (1972-02-01), Kamoshida et al.
patent: 4327320 (1982-04-01), Oguey et al.
patent: 4417263 (1983-11-01), Matsuura
patent: 5159260 (1992-10-01), Yoh et al.
patent: 5311036 (1994-05-01), Nishino et al.
patent: 5610550 (1997-03-01), Furutani
patent: 6437550 (2002-08-01), Andoh et al.
patent: 4-65546 (1992-10-01), None
*Tsividis et al., “A CMOS Voltage Reference,” IEEE Journal of Solid-State Circuits, vol. SC-13, No. 6, Dec. 1978, pp. 774-778.
*Vittoz et al., “CMOS Analog Integrated Circuits Based on Weak Inversion Operation,” IEEE Journal of Solid-State Circuits, vol. SC-12, No. 3, Jun. 1997, pp. 224-231.
*Vittoz et al., “A Low-Voltage CMOS Bandgap Reference,” IEEE Journal of Solid-State Circuits, vol. SC-14, No. 3, Jun. 1979, pp. 573-577.
*Oguey et al., “MOS Voltage Reference Based on Polysilicon Gate Work Function Difference,” IEEE Journal of Solid-State Circuits, vol. SC-15, No. 3, Jun. 1980, pp. 265-269.
*Blauschild et al., “A New NMOS Temterature-Stable Voltage Reference,” IEEE Journal of Solid-State Circuits, vol. SC-13, No. 6, Dec. 1978, pp. 767-773.
*Ong, “Modern MOS Technology,” McGraw-Hill 1987, pp. 38-46.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Voltage generating circuit and reference voltage source... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Voltage generating circuit and reference voltage source..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Voltage generating circuit and reference voltage source... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3403715

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.