Resistance ladder

Details Resistance ladder Resistance ladder

1993-03-15

1995-05-16

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341145, H03M 100

Patent

active

054164826

ABSTRACT:
A resistance ladder of a small size and a decoding method thereof, wherein in-series circuits of MOS transistors using a contact hole in common are connected in parallel between the adjacent two connection nodes of a resistance element, and an output line is wired to cross the resistance element, thereby reducing the layout pattern area of the resistance ladder.

REFERENCES:
patent: 3812478 (1974-05-01), Tomisawa et al.
patent: 4281319 (1981-07-01), Roberts, Jr.
patent: 4398207 (1983-08-01), Hoff, Jr. et al.
patent: 4447747 (1984-05-01), LaPotin
patent: 4541103 (1985-09-01), Gregorian et al.
patent: 4594733 (1986-06-01), Kanzaki et al.
patent: 4667178 (1987-05-01), Ryu
patent: 4742330 (1988-05-01), Doernberg et al.

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