Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I made a "soft-start" for an audio amp with a resistor in series with the AC line. That resistor dies if there is a fault. I could have made it fancier, but it will die of I loose any power rail (4 @ 50 VDC) with abut 50,000 uF of capacitance total on the rails.
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