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2 votes
3 answers
15k views

how to fix Heating issue of 7805?

i am using LM7805 whose output voltage 5V and Output Current 1A i have used this to feed 5V supply for my application Circuit and my application circuit draw 125mA current , even tho 125mA current ...
user374112's user avatar
1 vote
2 answers
9k views

How to measure AC and DC with oscilloscope

I'm a newbie with the oscilloscope. I have a digital RIGOL with two probes. I'm testing a simple 12V AC to 5V DC converter. I'm trying to measure the effect of the 7805 on the DC signal in output ...
Andrea Mancini's user avatar