Programmable resistance network

Details Programmable resistance network Programmable resistance network

1983-04-13

1989-08-29

Goldberg, E. A.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

H01C 1010

Patent

active

048621366

ABSTRACT:
A programmable resistor network and a method for forming and programming same. The network includes a plurality of independent programmable resistor arrays in a standard DIP semiconductor package. Each resistor array includes a plurality of parallel connected resistor elements capable of being selectively deleted from the array of applying a programming flow of electricity across a first and second DIP pin. The flow of electricity is of a value sufficient to progressively fuse successive array resistors. The total array resistance value progressively increases as array resistors are selectively deleted. Typically an increasing flow of electricity is applied across the array terminals until the desired array resistance value is obtained. The arrays may be manufactured in such a way that the incremental value between successive resistive elements causes the total array resistance value to increase in any desired manner, e.g. geometrically, arithmetically, and logarithmically.

REFERENCES:
patent: 3441804 (1969-04-01), Klemmer
patent: 3930304 (1976-01-01), Keller et al.
patent: 4016483 (1977-04-01), Rudin
patent: 4197521 (1980-04-01), Rovnyak
patent: 4298856 (1981-11-01), Schuchart

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