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.
Here is a power circuit board mystery to solve!
For 3 months now I have been trying to repair and error search Harman Kardon 220 sub power circuit board without any luck at all. Therefore I need some more electric minds and brains to solve this problem. I will attach the schematic below with...
HOW TO COMPARE THIS SIGNAL USING RELATION OPERATOR OR USING COMPARATOR COMPARE THIS TWO SIGNALS TO GET OUTPUT OFF SPWM(SINE PULSE WIDTH MODULATION)
PLEASE HELP ME CREATE IT
Hello.
I'm building my first stereo amplifier, and I would like to share with you the ground/earth scheme I designed, for anyone to point errors in it, and hopefully make a better approach. It is based on local star ground scheme.
The amplifier is splitted in three boards:
- Power supply
-...
Happy Thursday everybody!
I managed to get what is probably a genuine Toshiba 1996 2SA1302 with green epoxy, to repair a PA, and started bending it's leads to match the original which have a semi-circle bent into them, presumably to allow for thermal expansion. They creaked and crackled a bit...
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