Need help with inverter circuit

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desoky675

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I've been searching for a sine wave inverter,that takes 12 v DC car battery to 220V AC with about 100W power, but all the circuits that I've found has square wave output. I need it to power a computer speekers .
Inverter 100W by IC 4047 + 2N3055 with PCB| Circuit Project

my first question is , will the square wave be able to pass through the transformer.
And if it passes , will it be good for the speekers.
And is there a simple way to produce a full sine wave at the same power rating.

thanks
 

yes square wave can pass through transformer. but if you need a sine wave you can serach on net about the sine wave oscilltor...like this one....
Sine wave oscillator
and if u need more easy solaution then use this ic and genarate sine wave of your own frquesny,amplitude,and duty cycle.
Function Generator Circuit
 
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    daat73

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But the sine wave oscillator will not give me the power I need to drive the speakers, is there a way to amplify this signal to the needed power.
 

ya you can use power amplifire circuit for example in your circuit current is increaesd by 2n3055 . and then transformer step up the volatge. search on net for power amplifier you will get results abput amplifying the signal.
 
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