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analoge to PWM with a fixed 10 MHZ frequency

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Discussion in 'General Electronics Discussion' started by bound2u, Nov 13, 2012.

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  1. Nov 13, 2012 #1
    bound2u

    bound2u

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    Nov 13, 2012
    Hello all,

    I'am trying to design a circuit that convert from analoge to PWM with a fixed 10 MHZ frequency!!

    can anyone help what will be the component of this circuit and how it looks like ?

    Thanks;
     
  2. Nov 14, 2012 #2
    CDRIVE

    CDRIVE Hauling 10' pipe on a Trek Shift3

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    Did you struggle to come up with this title? :rolleyes:

    What are you going to PWM at 10MHz?

    Chris
     
  3. Nov 14, 2012 #3
    bound2u

    bound2u

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    Nov 13, 2012
    Ha ha ha, true that, this topic is better.

    I like duty cycles, and I want to make analog to PWM convertor with a fixed 10 MHZ frequency, I have an idea but I dont know if it's correct or not by using a comparator with an input with triangular wave with f=10 MHZ, and that voltage analog on the other side will be the output of PMW with f=10MHZ ... is that correct? I have tried but seems dont work.
     
  4. Nov 14, 2012 #4
    duke37

    duke37

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    Jan 9, 2011
    Show us your circuit inlcluding IC specifications.

    Can you run 100m in 8 seconds?
     
  5. Nov 14, 2012 #5
    BobK

    BobK

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    You realize that the comparator must swtich in about 1 ns to make this work. I.e. 1% of the PWM frequency. And I repeat CDRIVE's question, whiy 10MHz? That is a bit high.

    Bob
     
  6. Nov 15, 2012 #6
    CDRIVE

    CDRIVE Hauling 10' pipe on a Trek Shift3

    4,960
    653
    May 8, 2012
    Ha, you read my mind.

    Chris
     
  7. Nov 15, 2012 #7
    CDRIVE

    CDRIVE Hauling 10' pipe on a Trek Shift3

    4,960
    653
    May 8, 2012
    Well, I like hot blonds but what does this mean?

    Chris
     
  8. Nov 15, 2012 #8
    BobK

    BobK

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    It means you have something in common with Newt Gingrich.

    bob
     
  9. Nov 15, 2012 #9
    CDRIVE

    CDRIVE Hauling 10' pipe on a Trek Shift3

    4,960
    653
    May 8, 2012
    I'm getting slower by the day and I confess that I didn't get this initially. Yes she is! ;)

    Chris
     
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