Satellite receiver antenna servo control circuit

Published:2011/5/9 19:30:00 Author:TaoXi | Keyword: Satellite receiver, antenna servo, control circuit | From:SeekIC

In the figure, potentiometer Rp2's sliding contact-point axis is connected with the antenna axis. Only when the Rp1 and Rp2 point at the same position, the transistors will not turn on, and the rectifier bridge will close, there is no voltage on the motor, so the antenna is not moving, Otherwise, the antenna or motor will synchronously turn with the given potentiometer.



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