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Results tagged with power-supply
Search options questions only
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user 204
An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.
28
votes
7
answers
39k
views
How to find the ESR of a capacitor
I am building a power supply circuit, and the switching regulator (L4963) calls for a low-ESR output capacitor. The capacitor in question is C3 of the evaluation board circuit.
What does "low" mean …
- 3,272
14
votes
3
answers
12k
views
OpAmps - Single Supply or Dual?
I'm trying to pick an op-amp and I'm having trouble figuring out if the op-amp needs a positive and a negative power supply or if I can connect it to ground and the positive supply.
What do I need to …
- 3,272
29
votes
6
answers
26k
views
How to convert AC to DC
I am designing a circuit that needs to output 5VDC @ 1A. I'm trying to use a wall transformer to step the voltage down to 12VAC. The next step is the diode bridge and ripple capacitor.
The ripple v …
- 3,272