A sine 60 Hz signal can be obtained from the AC Power line using any small transformer with secondary winding with 3 to 12 V and current between 100 and 500 mA. The circuit shown below can be used as a low frequency signal injector.
A sine 60 Hz signal can be obtained from the AC Power line using any small transformer with secondary winding with 3 to 12 V and current between 100 and 500 mA. The circuit shown below can be used as a low frequency signal injector.
