John Jardine, JJ Designs,West Yorkshire, UK.
John Jardine
John Jardine
Areas of interest of the author: Measurement Supply
Publications on RadioLocman by the author John Jardine:
- Zener test circuit serves as DC sourceThis Design Idea describes a versatile test circuit for zener diodes after yet another misread zener diode had infiltrated the ranks of 1N4148 diodes assembled on a pc board. As a bonus, the circuit can serve as a moderate-voltage, power-limited adjustable dc source. Although...Jun 8, 2026