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Recent content by varundua

  1. V

    Trigger Pulse for IC555 using Inverted Square Pulse

    Hey, I have this circuit idea of which I'm somewhat confused about its logic on how I should on to implement it. I have a voltage sensing section that gives me a square wave of 12V DC. This is applied to a buffer stage which produces 2 12V DC Square Waves on parallel lines. One line goes to a...
  2. V

    Not getting the ideal output

    Ok made few more changes and now getting the right output.. https://obrazki.elektroda.pl/2404526100_1435052033.jpg One last doubt, this circuit would work only if I have a 230V AC Supply but incase if I have a 230V DC Supply, all the DC would get blocked by the capacitor and so we would not get...
  3. V

    Not getting the ideal output

    Uploading a more readable figure. I'm supplying 230V ac main supply and converting it to 12V. The power dissipation that i calculated comes out 7.078W and so I have now divided it into 8 resistors of equal resistance of 2.55k. Could you suggest how to implement the series capacitor to drop the...
  4. V

    Not getting the ideal output

    I implemented this circuit and am getting the output desired but what I observe is that if I dont connect anything across the Zener diode (i.e. if I remove everything after the capacitor connected parallel to zener diode) i'm getting a constant a 12V but if I connect everything I dont get a 12V...

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