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Squarewave to sine wave generator

@crkt
11 years ago
https://everycircuit.com/circuit/5746523839135744
Use square wave of time period 19.7 ms to get high amplitude sine wave. Or use 1 volt 50.7 hz sine wave to get 150db gain . Gain of this circuit at 50.7 hz or 19.7 ms is very high i.e 150db. Here you can adjust the value of upper and lower capacitor to get high gain at different frequencies. Some are :- 1)F=16.9 hz T = 59.1 ms Gain = 115db Upper capacitor value = 10nF Lower capacitor value = 10 mF 2)F=50.7 hz T = 19.7 ms Gain = 150db Upper capacitor value = 1nF Lower capacitor value = 10 mF 3)F=1 khz T = 1 ms Gain = 153db Upper capacitor value = 8 pF Lower capacitor value = 3.57 mF To get more value just change SINE wave generator of required frequency equls to time period if square wave generator by F=1/T And see maximum gain by changing value of upper capacitor by making lower capacitor constant by BoDe plot or frequrncy analysis. Or you can change capacitor value and then see the required frequency having maximum frequency from bode plot. (NOTE : TO GET GAIN AT HIGH FREQUENCY DECREASE THE VALUE OF CAPACITORS AND AT LOW FREQUENCY INCREASE THE VALUE OF CAPACITORS.SO ADJUST VALUE OF CAPACITORS TO GET DIFFERENT GAIN AT DIFFERENCT FREQNCIES ) (TO GET PERFECT GAIN ACCURATE GAIN IS NRCESSARY . SO ADJUSTING VALUE OF CAPACITORS FOR DIFFERENT VALUE IS NECESSARY THING )
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