Ratioed reference voltage generation using self-correcting capac

Details Ratioed reference voltage generation using self-correcting capac Ratioed reference voltage generation using self-correcting capac

1995-02-28

1997-07-08

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Self-regulating

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

G05F 316

Patent

active

056465157

ABSTRACT:
A novel ratioed reference voltage circuit is taught which enables positive and negative output voltages as a ratio of a given reference voltage. The desired ratio is established by capacitor ratios. During the operation of the circuit, positive and negative ratioed output voltages are provided at various points in time which are not necessarily very accurate due to component mismatches and the like. However, the average of the positive ratioed reference voltage during two different periods of time is a highly accurate positive ratioed reference voltage due to error cancellation. Similarly, the average of the negative ratioed reference voltage during two different periods of time is a highly accurate negative ratioed reference voltage due to error cancellation.

REFERENCES:
patent: 4295089 (1981-10-01), Cooperman
patent: 5184061 (1993-02-01), Lee et al.
patent: 5297066 (1994-03-01), Mayes

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