Jayapal Ramalingam has over three decades of experience in designing electronics systems for power & process industries and is presently a freelance automation consultant.
Jayapal Ramalingam
Jayapal Ramalingam
Areas of interest of the author: Measurement Analogue Design Interfaces Supply Automation Microcontrollers Usage Beginners Digital Oscillators Signal Processing, Filters
Publications on RadioLocman by the author Jayapal Ramalingam:
- Tachometer frequency to 4-20mA loop current converterJul 8, 2026
- 4/20mA to 0/20mA loop current converter for grounded loadsMay 25, 2026
- Single switch controls sequential operation of multiple power suppliesMay 12, 2026
- Linearly variable two-wire loop current generatorApr 24, 2026
- Is your PLC/DCS reading the field contacts reliably?Mar 27, 2026
- Short push, long push for sequential operation of multiple power suppliesFeb 4, 2026
- A 0-20mA source current to 4-20mA loop current converterDec 5, 2025
- "Flip ON Flop OFF" for 48-VDC systems with high-side switchingOct 19, 2025
- Flip ON Flop OFF for 48-VDC systemsJul 28, 2025
- Push ON, push OFF for AC voltagesJul 7, 2025
- A two-wire temperature transmitter using an RTD sensorJun 11, 2025
- Another simple flip ON flop OFF circuitApr 28, 2025
- Long delay timer sans large capacitorsSep 26, 2024
- Single phase mains cycle skipping controller sans harmonicsApr 15, 2024
- A long pulse detector circuitOct 17, 2023