Jul 2, 2024 · Prior to making a solid connection between the SMPS negative output terminal and "actual earth ground." I suggest measuring the voltage between those two points.

Dec 6, 2022 · Switch Mode Power Supply (SMPS) Repair - Low output voltages whilst under load.

Dec 17, 2024 · I made a simple smps with uc3845. The output of the ic is connected to IRF840 and a EE30_15_7 ferrite transformer wound by me. The osc section seems to be working. Vcc supplied is …

Dec 17, 2024 · For the SMPS stuff, a 100MHz CRO is usually good enough and there are some newer CROs around that have mutlichannel digital inputs you can use for all manner of digital circuit tests …

Jun 3, 2022 · Hi, I'm searching for an example circuit to be run on LTSpice with a SMPS together with a common mode choke. The idea is to run a transient simulation in order to see the effect of this latest …

Oct 25, 2020 · Hello everyone, I was studying a tl494 based half bridge smps I came across the current sense section opamp pin 15 & pin16 Now pin16 is connected directly to the ground But there is some …

Aug 5, 2023 · USB Charger (and SMPS) AC Leakage Experiment To confirm my beliefs and to correct some erroneous information presented in this post My Mobile Charger Shocked Me While Charging, …

Sep 16, 2021 · The SMPS has 3 built-in terminal pairs, but I have 4 synths. That would mean 2 of the above wired to the same terminals on the power supply, hence my original question. If I understand …

Nov 1, 2007 · Very often when I attempt to repair electronic devices, either mine or from friends, I find out the problem is with the power supply which these days is most often a Switched Mode Power …

Sep 2, 2016 · I have to build a Switch Mode Power Supply with multiple outputs. I've seen many projects with just a single output , as well as projects with variable voltage output, such as using an lm317. …