Linear voltage-to-current converter

Details Linear voltage-to-current converter Linear voltage-to-current converter

1996-08-12

1998-07-21

Cunningham, Terry

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input voltage to output current or vice versa

327355, G05F 110

Patent

active

057839549

ABSTRACT:
A linear voltage-to-current converter (VIC) 100 for converting a differential input voltage V.sub.D into a differential output current ID is provided. The VIC (100) comprises a main stage (20) and a correction stage (30) having two FET each. Every stage is fed by a separate current source (150, 160). In two nodes (174, 172) the output currents of the stages are added. The scale factors k.sub.1 and k.sub.3 of the FET are coordinated so that distortions are reduced.

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Silva-Martinez, J.: High-Performance CMOS Continuous-Time Filters, Kluwer Academic Publishers, ISBN 0-7923-9339-2., Chapter 2.

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