Reference voltage generation circuit for comparator

Details Reference voltage generation circuit for comparator Reference voltage generation circuit for comparator

1999-01-25

2000-09-26

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

327 58, 327143, 327538, H03K 513

Patent

active

06124743&

ABSTRACT:
A reference voltage generation circuit which is capable of generating a reference voltage having multiple steps by using a periodic response characteristic of a chaotic circuit. The circuit includes a first sample/hold unit for sampling and holding a periodic output voltage V3 in accordance with a first clock signal CLK1 from an externally connected clock signal generation unit, a second sample/hold unit for sampling and holding an output voltage V3' from the first sample/hold unit in accordance with a second clock signal CLK2 from the externally connected clock signal generation unit, a non-linear unit for receiving voltage V4 from the second sample/hold unit and outputting a non-linear voltage V2 signal having a sawtooth-shaped transfer characteristic, and an addition unit for adding the non-linear voltage signal V2 from the non-linear unit and an externally applied voltage signal V1 and outputting the periodic output voltage V3.

REFERENCES:
patent: 4363976 (1982-12-01), Minor
patent: 4517520 (1985-05-01), Ogawa
patent: 4588905 (1986-05-01), Kojima
patent: 5025434 (1991-06-01), Tateishi et al.
patent: 5196741 (1993-03-01), Rustici
patent: 5381053 (1995-01-01), Yasuda
patent: 5498986 (1996-03-01), Manlove

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