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Old 12 April 2020, 17:48   #12
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Join Date: Jun 2015
Location: Germany
Posts: 818
Originally Posted by Daedalus View Post
You can't increase or decrease the voltage applied to a circuit and expect the current to remain static

Yes, you can. This magic property is called "power supply rejection ratio" and describes how immune a circuit is to noise present on the supply voltage. Also, there are bandgap reference circuits commonly used on semiconductor chips which produce a reference voltage totally independent of the actual supply voltage.

Talking about the dangers of "current ripple" is pretty much like the dangers of dihydrigenoxide. It may be dangerous but usually it is not. It's not like Meanwell don't know how to build power supplies...
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