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You are here: Home / Topics / Voltage Controlled Oscilator Using ATmega32

Voltage Controlled Oscilator Using ATmega32

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Microcontroller › AVR › Voltage Controlled Oscilator Using ATmega32

  • This topic has 0 replies, 1 voice, and was last updated 13 years, 4 months ago by karthikeyan.
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  • January 22, 2012 at 3:26 am #1722
    karthikeyan
    Participant

    Hi Experts, 

    iam new to AVR i am trying to make Voltage controlled Oscilator frequency range of 52.5Khz to 68Khz with 500Hz variation,50%duty cycle. 

    i used 20Mhz crystel , ADC channel0 with Timer 1 on CTC mode i am getting the Variable frequency Range but lot of variation in Duty cycle. i checked ADC input and added Capacitors in analog reference and analog input still this same problem is there if anyone knows pls help me

     

     

    Karthik

     

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