Hi I have added a transistor to the output of a servo controller board to allow me to power a bigger motor from the same board. But i only get control over the motor in one direction not in both, I have read in the past about audio amplifiers, and that they use two or more transistors in order to…

transistor help

CrossRoads August 25, 2012, 1:05am 10

Are there part numbers on the current transistors?
You say FETs, you have BJTs drawn.

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