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Old 26th Sep 2022, 7:21 pm   #3
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Join Date: Jul 2020
Location: Larkhall, South Lanarkshire, Scotland.
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Default Re: Smoothing capacitor value ?

Quote:
Originally Posted by murphyv310 View Post
OK, so what is the circuit? Simple PSU with bridge and smoothing cap with tappings on mains TX or resistive dropping and unregulated or with adjustable regulation or regulation and active smoothing?

A basic non regulated will need between 4700uf and 10,000uf, suitably rated cap for no load, minimum of 25v, 35v advised.
Centre tapped transformer with two rectifying diodes, Going to add an adjustable LM-338 Regulator, It's actually an old car battery charger rated at 4 amps


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