VOLTAGE_CONTROLLED_CURRENT_SOURCE

Published:2009/6/18 2:12:00 Author:May | From:SeekIC

A voltage-variable current source is shown in the figure. The transconductance is－(1/R2) as the voltage gain from the input terminal to the emitter of Q1 is－1. For Vin=0Vdc, the output current is essentially 0 mA dc. Resistors R1 and R6 guarantee that the amplifier can turn OFF transistor Q1.



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