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Voltage to Current Converter

IP.com Disclosure Number: IPCOM000055913D
Original Publication Date: 1980-Sep-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Ramage, JG [+details]

Abstract

The figure shows a circuit for converting an analog input voltage which is positive with respect to ground to a proportionate current sink. The circuit consists of an operational amplifier 1 having a virtual ground connection, in combination with transistors T and T connected as a current mirror.