Current source arrangement

Details Current source arrangement Current source arrangement

1988-05-12

1989-08-22

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

341133, G05F 316

Patent

active

048599301

ABSTRACT:
A high accuracy current source arrangement is made up of a number of binary-weighted current sources each of which comprises a plurality of indentical transistors which are arranged regularly in a matrix of transistor elements on the surface area of an integrated circuit. The matrix of transistors is distributed over the area of the IC to provide the maximum spacing between the matrix elements (transistors) of each respective current source thereby to minimize the influence of variations in IC parameters or the like on the accuracy of the relationship of the binary-weighted currents to one another.

REFERENCES:
patent: 3995304 (1976-11-01), Pease
patent: 4125803 (1978-11-01), van de Plassche
patent: 4482887 (1984-11-01), Crauwels
patent: 4658240 (1987-04-01), Bixby
patent: 4712091 (1987-12-01), Schoofs et al.

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