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  1. SMPS with UC3845 - All About Circuits

    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 …

  2. I want to turn a Boost SMPS into the simplest audio power amplifier.

    Nov 8, 2024 · I'm trying to turn a Boost into a Flyback and then into an audio amplifier. Basically I wanted a simple SMPS modulated with an audio signal. I know, you will say that the class D amplifier …

  3. SMPS with UC3845 | Page 3 | All About Circuits

    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 …

  4. How to modify a switch mode power supply. | All About Circuits

    Feb 15, 2024 · This thread is a carry-over from one that i started earlier on a SMPS that wasn't working. The problem with that supply has been solved and is now working fine. My next project is to build a …

  5. about Power Factor Correction - All About Circuits

    Apr 3, 2025 · PFC is a circuit which corrects the current and voltage phase shifts to increase efficiency and it provides 360v or 400v at its output which eliminates the line regulation for the SMPS circuit …

  6. Designing flyback transformer for SMPS | All About Circuits

    Mar 31, 2025 · hello, I was trying to build SMPS using switching ic's UC3845 or HVLED007 but ending with less current delivery or poor power factor might be due to improper flyback transformer design. …

  7. SMPS set to output 12.81V (it is laptop 20V power supply), but it ...

    Feb 19, 2025 · I have an SMPS set to output 12.81V (it is laptop 20V power supply), but it fluctuates between 12.2V and 12.8V at idle, which is around 6%. It stabilizes at 12.81V under a load, I tested it …

  8. **The Official Guide to Special Masters Programs**

    Jan 6, 2007 · What about osteopathy? SMPs generally will be helpful for application into both allopathic and osteopathic schools, given that the courseload is pretty much the same the first year between …

  9. USB and SMPS Leakage Current - All About Circuits

    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, …

  10. How well do you understand SMPS circuits? - All About Circuits

    Jul 16, 2025 · Picked up a 50 inch Onn Roku TV someone threw out. Tested components on power supply (with multimeter). Fuse, bridge rectifier and MOSFET are bad.(Bridge rectifier=outer-most …