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How can i design a PCB from a circuit diagram?

Marcus P asked: I know about electronics and the different components, but im completely self taught so there are a few holes missing. How do i ground wires. and what does vref1 and vref2 mean

consumer goods why arnt they repairable?

steve50 asked: many years ago as a tv man i could repair many tv’s in customers houses there were known brands and real wood cabinets some even came with circuit diagrams in the box. now they are all made in foreign lands no circuits and if a main part has gone its scrap time even […]

Electronic circuit diagram Low distortion audio Headphone

Electronic circuit diagram Low distortion audio Headphone

Simple Mixer circuit

Simple Mixer circuit for mic preamp using TL072 This simple circuit mixes two or more channels into one channel or stereo The circuit can mix as many or as few channels as you like ?

audio filter circuit

audio filter circuit audio filter circuit audio filter circuit

Making Wireless FM microphone

Making Wireless FM microphone as a beginner project is interesting, crystal oscillator can be controlled, with a harmonic change to 2p7-5 crystals. The oscillator will then be very stable, so stable in fact, that he could not even set! This means you can only use it to send CW .One solution to this problem would […]

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