Re: Series Diode in Power Supply Line #ubitx
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I would second that. A voltage regulator is best. However, the generic ones like 7812 will need at least 15v (3v more than the output) as their inpit voltage. A small 1uf and a couple of 0.1u caps across the output makes for a nice, low noise supply.
On Wed 7 Aug, 2019, 8:44 PM Evan Hand, <elhandjr@...> wrote:
Yes, I agree for the reverse polarity power protection. Still need a way to drop the voltage to the board separated from the finals. The most accurate solution is a voltage regulator with the relay for the reverse protection.