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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Using a Staco Variac with rectifier to make a variable DC power supply?

PaulCrabtree

New Member
Hi, I'm looking for some help with the circuit and parts to turn a Staco 3PN variable autotransformer into a variable DC voltage output. I bought some 25A rectifiers from Amazon(https://www.amazon.com/dp/B07TG18DDB?psc=1&ref=ppx_yo2ov_dt_b_product_details) and I have a 590mfd 200V capacitor. I am a beginner at electronics and would like a simple circuit that will work. The rectifiers aren't well marked, one side has AC at one corner and + at the other. Is this doable with what I have?
 

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