All Questions
5
questions
0
votes
2
answers
159
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Capacitor decade box
I'm assembling a capacitor decade box. It will be used to tune circuits both in power & high frequency electronics (but, probably not GHz RF; with all the parasitics).
So, I need it to be as low ...
0
votes
1
answer
777
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What is the most reliable way to test old capacitors?
I have a few old electrolytic capacitors from an old system that have not been used in many years.
I was thinking I might test them.
What is the best way to reliably test these old caps?
2
votes
1
answer
631
views
How to test a capacitor?
I've got a big 560 uF, 400 V capacitor and I've tested it with a meter and the capacitance is within spec, same the ESR and it has a vloss of 0.8%. So all seems fine but then I came across this video ...
0
votes
2
answers
1k
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X2 capacitor. Test if failed open
I am looking at a small board in a paper shredder (it does not work). If I apply AC power and measure AC voltage across the X2 capacitor (I think it acts as a voltage dropper for the low voltage ...
1
vote
3
answers
5k
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Should a capacitor be considered functional if it's capacitance reading is correct?
There are many different ways to test capacitors. Using a capacitance meter, using a DMM and an analog meter.
In general, is it safe to assume that a capacitor is considered functional if it's ...