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Thread: PWM 49hz

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  1. 11-09-2007, 03:15 AM #1
    alfredr1
    alfredr1 is offline Registered
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    Nov 2007
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    2

    PWM 49hz

    Whats the best way to generate a 49 Hz PWM with the ability to change the duty cycle. Is there a chip that can do that? Im currently using the Axiom 8Mhz Hc12 microprocessor. The smallest pulse i was able to generate was 120hz.
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  2. 11-09-2007, 06:47 AM #2
    epineh
    epineh is offline Gold Member
    Join Date
    May 2006
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    2420
    Have a look here :

    http://www.cnczone.com/forums/showthread.php?t=44882

    I ended up going for the 8038CCPD - Precision Waveform Generator which gives me a range of between 0.01 to 300KHz, but there are some great suggestions in the thread above.

    Good luck.

    Russell.
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