Circuit To Generate Pwm & Pcm

saraali

saraali

@saraali-lFpPyw Oct 26, 2024
hi ,
plzz reply
i need small circuit to generat pwm
and anthor to generat pcm
i use multsim 10

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  • saraali

    saraali

    @saraali-lFpPyw Dec 12, 2011

    pllz reply i am wait
  • Anthony Jarmie

    Anthony Jarmie

    @anthony-jarmie-Gl9Bur Dec 13, 2011

    saraali
    pllz reply i am wait
    I use a 555 to gen pwm signals over 200KHZ. Unless yours is a lot higher it shouldn't be a problem. Since the software is open source, I'd just get a copy and modify it for a pwm output. As a suggest,u could use a rtl model to construct the PWM circuit,it's quite simple as you use the 74series circuit,in my view, maybe nobody will take a look to check out the circuit. I have download the flowcode v4 and run the example, but when it connects to oscilicope, the waveform always change in the same period time.

    Regards,
    Anthony
  • saraali

    saraali

    @saraali-lFpPyw Dec 13, 2011

    hi ,
    i need (pcm) circuit
  • Kaustubh Katdare

    Kaustubh Katdare

    @thebigk Dec 13, 2011

    saraali
    hi ,
    i need (pcm) circuit
    I've merged your threads. You might find Anthony's reply useful. What's your take on it?-

    Anthony Jarmie
    I use a 555 to gen pwm signals over 200KHZ. Unless yours is a lot higher it shouldn't be a problem. Since the software is open source, I'd just get a copy and modify it for a pwm output. As a suggest,u could use a rtl model to construct the PWM circuit,it's quite simple as you use the 74series circuit,in my view, maybe nobody will take a look to check out the circuit. I have download the flowcode v4 and run the example, but when it connects to oscilicope, the waveform always change in the same period time.

    Regards,
    Anthony
  • saraali

    saraali

    @saraali-lFpPyw Dec 13, 2011

    hi ,
    i need (pcm) circuit
  • pavansbv

    pavansbv

    @pavansbv-JfKq8V Dec 21, 2011

    use 555 i.c or make a internal circuitry using pspice software and compare it with pin configuration of ne555. short 7 and 6 terminals and add a capacitor to this shorted terminals to 1 tern=minal and ground it.and short 4 and 8 terminals and coonect this 4,8 to 6,7 via a resistor apply trigger input to 2 terminal and modulating input to 5th terminal observe output at 3rd terminal w.r.t ground it works