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.
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.
I have a 'Voltcraft VSP 2405HE' dual output bench supply where one of the PSU's is unstable. The PSU has 2 independent TL494 based SMPS boards, fed by a shared primary bridge rectifier and active PFC board. About two times a second the output voltage of one of the PSU's jumps a few 100mV, which...
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