Digital potentiometer with stackable configuration system

Details Digital potentiometer with stackable configuration system Digital potentiometer with stackable configuration system

1993-07-09

1996-06-11

Trans, Vincent N.

Boots, shoes, and leggings

364481, 323354, G05B 2402, G01N 2704

Patent

active

055262740

ABSTRACT:
An system containing an integrated circuit having two separate potentiometers combined on a single substrate; each potentiometer having three separate output terminals, two being connected to the ends of a resistor string, and the third being a "wiper" terminal electrically connected to a point within the length of the resistor string. All three terminals of each potentiometer electrically float with respect to the other pins of the integrated circuit. Control logic is used to select the point in the resistor string where the wiper terminal is to connect. An additional control signal is used to connect an additional wiper to one of the two separate wiper terminals permitting the connection of the two resistor strings in series.

REFERENCES:
patent: 4551705 (1985-11-01), Anderson
patent: 4849903 (1989-07-01), Fletcher et al.
patent: 4850000 (1989-07-01), Dias
patent: 4862136 (1989-08-01), Birkner
patent: 5065132 (1991-11-01), Taddiken et al.
patent: 5243535 (1993-09-01), Bolan et al.

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