spwm genrator with digital and an analog input together.

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astha23

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hi people m new to this site
bt can plz sumbdy help me asap
i need to gerate a sine pwm with a 8 bit digital input and a 230V 50Hz supply so that eventually i get a modified sine wave supply to be given to light halogen lamps..
actually the digital input is supposed to vary the input sine wave frequency and width by a required amount depending on digital signal
plz immediate help required
 

Maybe you have to think abou microcontroled solution, because most microcontrollers have built-in needed modules ( A/D , PWM, etc... )
First step is define the platform ( PIC, 8051, etc... )

+++
 

naah the thing is m hving the entire setup whr m geeting a TTL output from computer n no need to use a microcontroller for the entire setup n jst to generate a spwm m nt willing to use it ..if sum alternative present
 

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