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Results tagged with switch-mode-power-supply
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user 117301
A switch-mode power supply (SMPS) switches been fully-on and fully-off states quickly to maintain voltage regulation. They offer lower power dissipation and run cooler than linear regulators that continually dissipate power through a transistor.
0
votes
1
answer
161
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How to pimp a cheap power supply
I'm building a small class D amplifier: some op amp circuits for pre-amplification, a pwm modulator based on a dsPIC, some power buffers for controlling the gates of an h-bridge power stage, and a LC …
- 123
6
votes
3
answers
380
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Smps with switching stage after transformer
I'm trying to design and build an smps for hobbysts reasons. I would like to use isolation from the mains with a transformer.
Everywhere on the net I found that the transformer is connected after the …
- 123
2
votes
0
answers
106
views
PCB design in class D amplifiers [closed]
in the process of building a class D amplifier I am now stuck at the point in which I have a lot of audible noise and I don't know where this is coming from.
I know there could be a lot of causes but …
- 123
1
vote
0
answers
1k
views
Input filter for class d amplifier
I have built a ~50W class d amplifier powered by a 12V SMPS. My problem is that the output of the SMPS has high frequency noise. I know that the noise is not audible but I would like to remove all of …
- 123