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Inverter schematic for piezo actors

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El_Paco

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I want to test 2 different types of piezo actor.
For the one i need a voltage of -45V/125V for the others i need a voltage of -100/350V.

to switch the piezo between the negative and positive voltage levels i think the best solution is to use a h-bridge.

Did somebody have a useful design for the inverter and for the h-bridge?
what can i do that the hbridge switch correct for the negative voltage?

sorry for my bad english -- any help would be usefull.


many thanks
 

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