A field effect transistor is provided between the ground and an H bridge circuit for rotating a motor in forward and reverse directions in a manner that the drain of the transistor is grounded and the gate thereof is coupled to a DC power source such as a battery serving as a bias source which supplies...http://www.google.fr/patents/US6917169?utm_source=gb-gplus-shareBrevet US6917169 - Driving circuit for rotating motor in forward and reverse direction
Driving circuit for rotating motor in forward and reverse direction
