Jinx said: > I'm ready to power up an H-bridge made with 4 N-ch FETS > for motor control. Any advantage, recommendation or advice > as to whether the PWM is on the top or the bottom or does it > not matter ? You've left something out. Four N-MOSFETs does not equal an H-bridge, you need more parts! You will need to shift levels to drive the MOSFETs. Cheers, Bob -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics