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In which option, the diode will make the lm78xx circuit safer
This image was taken from Fairchild's datasheet on lm78xx. I have already built a working example of it, but I am still thinking about adding some additional diode protection (D1, D2). Which option ...
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Portable phone/device charger
I am doing my best to make a portable charger.
Here is the link with the schematic of the circuit I am working on:Voltage regulator question
.I was told that the 9 V battery I was using didn't have ...
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Voltage regulator question
I have made a portable device charger with a 5 volt voltage regulator(7805-TO220 package),a 9 volt battery and a few capacitors.The problem is,when I connect the charger to a certain device(whose ...