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Thread: Peak reading kit for wattmeter

  1. #1

    Default Peak reading kit for wattmeter

    Just wondering if anyone has a schematic for a peak reading kit to use with average reading meter's.Should be one somewhere using a 555 timer ic..Any help appreciated.Thanks

  2. #2

    Default

    Quote Originally Posted by N4DXX View Post
    Just wondering if anyone has a schematic for a peak reading kit to use with average reading meter's.Should be one somewhere using a 555 timer ic..Any help appreciated.Thanks
    You can buy stuffed boards from LNA Technology. They use a JFET input OpAmp (LM353) in a sample-and-hold circuit as described here and here. I've seen homebrew variations of LNA's units.

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