How i can i design hollow square wave inverter?

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I want to design 12kHz Hollow Square Wave Inverter.
Things to do at the design stage:
-Triangle wave oscillator application
-Semiconductor driving with optocoupler
- capacitor selection suitable for switching frequency and load
- obtaining DC voltage to feed optocouplers and opamps from 220V AC mains voltage
I was not successful in setting up and running the circuit

Accepted Answer

ALBERT ALEXANDER STONIER
ALBERT ALEXANDER STONIER on 10 Jan 2022
The switching frequency of 12kHz can be decided by the frequency of the triangle waveform. You can use saw tooth block and then convert into an equivalent triangle block.
  1 Comment
Umut Yildiz
Umut Yildiz on 10 Jan 2022
Thanks, I am going to try that. How can I design optocoupler application to drive semiconductor?

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