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AC TO DC with Op amp

Discussion in 'Power Electronics' started by staylor97_, Feb 18, 2019.

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  1. staylor97_


    Oct 18, 2018
    Any ideas how i can convert 230v AC to 5v DC with dual polarity using an op amp?

  2. hevans1944

    hevans1944 Hop - AC8NS

    Jun 21, 2012
    You start by assuming an op amp is a viable solution to the task of converting 230 VAC to 5 V DC. Why would you make such an assumption?

    If what you are trying to DO is to obtain dual polarity (positive and negative with respect to some common terminal) 5 VDC outputs, then you should NOT begin by telling us HOW you want to do it. We are here to suggest how to solve problems, but you must perform your part by telling us what do you really want to do?
    davenn and (*steve*) like this.
  3. Audioguru


    Sep 24, 2016
    Since you know nothing about high voltage electricity that can kill you, then you should buy a power supply that gives the plus and minus 5VDC at whatever current you need.

    You were shown the power supply schematic on your other thread. Why did you make this thread??
    hevans1944 and davenn like this.
  4. davenn

    davenn Moderator

    Sep 5, 2009
    you don't

    and since you already have a similar thread on this, this thread is closed
    hevans1944 likes this.
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