High accuracy reference ladder

Details High accuracy reference ladder High accuracy reference ladder

1989-01-31

1990-05-29

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 3072961, 3072964, H03K 353, G06F 100

Patent

active

049298488

ABSTRACT:
The reference ladder provides a plurality of reference signals having an extremely high accuracy. The reference ladder comprises no resistors. The values of all components and on-resistances of switches are not essential. Also no matching is necessary. The reference ladder comprises capacitors coupled in series. The terminals of each ladder capacitor are successively coupled across another capacitor which stores a base voltage. A comparator compares a predetermined voltage against voltage appearing across the reference ladder and determines the base voltage.

REFERENCES:
patent: 4398099 (1983-08-01), Benoit-Gonin et al.
patent: 4713650 (1987-12-01), Temes et al.

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