You could also just build a normal squarewave generator with as neerest to possible a 50% duty cycle and add a low-pass filter to the output.

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And so another three year old thread has been bumped.

 

There's nothing wrong with that, it's an interesting thread so why not discuss it again?

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hi, just built a ful bridge inverter using PWM ic SG33524, works well, but is it possible to get a sinwave with out large filters, like using a sinwave refence at 50hz against a high freq square wave and and filter the high freq at d ouput?

 

hhi, is it possible to realize a sinewave output using PWM Sg3524?

 

How does this question relate to the topic being discussed?

Please post on topic in future.

You can't directly get a sinewave from this IC but you can if you stick a low pass filter on the output and modulate the input with a sinewave.

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Screen name: Aloone_Jonez
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hi thanks, sorry its not related to d topic, but honestly need some help,
don't understand when u say mod d input, u mean sending the ac signal of the out put to the input of the op amp, and ref with DC input? please enlighten me more.
cheers

 

Please don't use txt speak.

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Bill
Smart Kits build Smart People
http://www.blueroomelectronics.com

 

I don't know what you're talking about. Please post a schematic and stop using txt speak.

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Screen name: Aloone_Jonez
And http://www.silicontronics.com, same screen name as here.