Zismes New Homebrew Metal Detector on http://oldradiobuilder.com/MDET.html is a little improvement!!! Doesnt the capacitors reduce the small voltages the coil detects, Is it better to use a second coil for Rx instead of the capacitors...is it better to use single supply instead of dual supply for Opamps!!
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Originally posted by sharky View PostZismes New Homebrew Metal Detector on http://oldradiobuilder.com/MDET.html is a little improvement!!! Doesnt the capacitors reduce the small voltages the coil detects, Is it better to use a second coil for Rx instead of the capacitors...is it better to use single supply instead of dual supply for Opamps!!
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