Peak reading kit for wattmeter

Discussion in 'Homebrew and Kit Projects' started by N4DXX, Sep 3, 2011.

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  1. N4DXX

    N4DXX Ham Member QRZ Page

    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. WA7PRC

    WA7PRC Ham Member QRZ Page

    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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