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It can be done with two stages of integrators, the first one converts the square wave to a triangle wave, and the second stage converts the triangle wave to a sine wave. If the input frequency varies widely then the output amplitude will vary.ghauri said:Hi all,
I need a circuit containing op-Amp(741) takes square wave as input and convert it into sine wave phase difference is acceptable
please tell
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I need a common electronic design circuit for DC regulated power supply- buck- boost converter for a given input voltage variation , load current and output
voltage
raju chennai
please tell
Paul Obrien said:A square wave can be thought of as a very large number of ODD hamonics added together (of course it really isn't) so if you build a low pass filter with the cut off well below the 1st odd harminic you will have the square wave convertor.
Leftyretro said:Correct logic but wrong term. There is no such thing as a 1st harmonic.