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Authors
Peter Demchenko

Peter Demchenko

Peter Demchenko

Peter Demchenko studied math at the University of Vilnius and has worked in software development.

Areas of interest of the author: Supply Power Measurement Analogue Design Audio Oscillators High Voltage Interfaces Signal Processing, Filters Microcontrollers Usage Digital Amplifiers Games Automation Security Light

Publications on RadioLocman by the author Peter Demchenko:

  1. One-shot surge protection
    Jun 4, 2026
  2. Circuit controls inrush current in ac-operated power supplies
    Jan 30, 2026
  3. Current monitor
    Apr 24, 2025
  4. Expanding output range of step-up converter
    Dec 17, 2024
  5. Eliminate clicks when muting single-ended audio
    Dec 15, 2024
  6. Comparator directly controls power-MOSFET gate
    Oct 14, 2024
  7. Quartz oscillator with shock excitation
    Oct 8, 2024
  8. Mighty 555 and ESR-meter
    Sep 17, 2024
  9. An accurate resettable fuse
    Aug 14, 2024
  10. Reducing error of digital potentiometers
    Jul 4, 2024
  11. Bias for HF JFET
    Jun 5, 2024
  12. Adaptable pullup
    Apr 24, 2024
  13. Logic Probe has a wide voltage range
    Mar 7, 2024
  14. Using an inductor to improve an existing design
    Jan 31, 2024
  15. Multivibrator also makes true-zero output of the op-amp
    Dec 19, 2023
  16. UVP protects rechargeable batteries
    Nov 30, 2023
  17. Photocell makes true-zero output of the op-amp
    Nov 29, 2023
  18. DIY LED display provides extra functions and PWM
    Nov 6, 2023
  19. Momentary switch controls mains with latch-on and remote shutdown
    Oct 25, 2023
  20. An efficient and simple regulator for heating/lighting purposes
    Oct 5, 2023
  21. An LED display adapted for DIY projects
    Sep 14, 2023
  22. Low-distortion discrete buffer amplifier handles bipolar signals
    Sep 4, 2023
  23. Extending the resolution of a peripheral DAC
    Aug 10, 2023
  24. A safe adjustable regulator
    Apr 13, 2023
  25. Using a MOSFET as a thermostatic heater
    Mar 30, 2023
  26. Shunt circuit clips large transients or regulates voltage
    Nov 24, 2022
  27. Alarm monitors rotational speed of dc motor
    Sep 19, 2022
  28. A simple ratiometric technique for measurement of very low resistances
    Aug 11, 2022
  29. Simple switchable filter
    Jul 14, 2022
  30. Very Simple Amplifier with Phantom Power
    May 26, 2022
  31. Improved Optocoupler Circuits Reduce Current Draw, Resist LED Aging
    Mar 17, 2022
  32. Quickly estimate capacitor dielectric absorption
    Aug 5, 2021
  33. THD-Enhanced Bias Circuit Design Targets Class AB Buffers
    Feb 21, 2019
  34. Body diodes simplify UPS & energy recovery circuits
    Jan 29, 2019
  35. LED current regulator has low dropout
    Nov 20, 2018
  36. Improve efficiency of low-cost switcher
    Jul 4, 2018
  37. Use air-core-coil resistance to estimate inductance
    Mar 13, 2014
  38. Zero-Cross Detectors Deliver Positive And Negative Triggering
    Oct 30, 2012
  39. Mains-driven zero-crossing detector uses only a few high-voltage parts
    Apr 17, 2012
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