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In Reply to: RE: "get a few more opinions before busting out the credit card" posted by Tre' on February 5, 2022 at 11:36:00:
Sorry, I didn't realize you were referring to conduction angle. There's still a RC time constant involved, but not in the same way. Anyway, here's the thing. We know peak current is higher with a cap-input filter. We also know the peak current can be reduced with a series resistor (although that comes at the expense of power supply regulation). The question is, why would we bother to do that? Does the peak current matter, assuming all the components can withstand it? Is there some effect here that we need to mitigate, even though the voltage output from the supply is clean and relatively stable? If you're still questioning whether the truly awful voltage spikes at the input side of a choke-input filter are real, I'll have to insist that you make the measurement before continuing this discussion. Nothing that results from the potentially negative aspects of a cap-input filter even comes close to this.
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Follow Ups
- Conduction angle - Triode_Kingdom 02/6/2200:06:53 02/6/22 (2)
- RE: Conduction angle - Tre' 08:54:33 02/6/22 (1)
- RE: Conduction angle - Triode_Kingdom 10:24:30 02/6/22 (0)
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