We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop?

This 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 ...

The new Keysight i3070 Series 7i E9988GL inline, high-density in-circuit test (ICT) features the latest Quad-Density pin cards that can provide up to 5760 test nodes in a slim footprint.