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Vasile Gorcea has an electronic background and he is n Wavelength Dispersion X-Ray Spectrometry Tech. with EDAX, an analytical X-Ray company located in NJ.
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Speaker Protection and Muting with an Optical Coupler
January 2018
Build this optically-coupled speaker protection circuit when using homebrew or vintage amplifiers.
Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!