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I have a sine wave at 50Hz and a triangular signal at 10KHz going into a comparator, then a PWM signal coming out. What i want is to drive either BJT's or Mosfets, filter the signal and reconstruct the sine wave. My problem is designing the power output stage, i.e the driver and configuration...
Thank you for your responses. I want to build a 50Hz sine wave inverter. I have attached the output section from the comparator. I used 741( available to me) for the triangular carrier wave but unfortunately am only getting 8KHz, no matter what.I am also getting about 20v p-p. But the big...
Can someone help me with a working circuit for my problem. i want to design and implement the output stage of an inverter. I used discrete components for the PWM stage. I am getting 20 v p-p from my LM319 comparator (50Hz sine wave and triangular wave IN). My problem is how do i implement the...
Hi all,
I have read some very exciting stuff on this forum and i am hoping some of you electronics gurus can help me. I am building a pure sine wave inverter using a wien-bridge for my oscillator. Input voltage = 12v dc, Output voltage= between 30v and 60 v ac, output current not to exceed 2A...
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