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LM78H05K How to use
I have bought the LM78H05K 5 V voltage regulator , for the 5v output.
My input voltage is 17 V DC. but unfortunately this component is in different shape. I have uploaded the image of the module. I ...
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2N2222 experiment is indicating incorrect gains
Okay, so I put a 20kΩ resistor between a 5V supply and the base of a 2N2222 with the collector connected directly to the 5V rail and emitter to ground. What I'd expect is that, roughly, 220μA (i.e. (...