Not that this happens often, but what do you do when faced with a repair where you don’t know the power source but you do know you have to drive LED backlighting? When faced with this dilemma [Eric ...

We always enjoy [w2aew’s] videos, and his latest on zener diodes is no exception. In it, he asserts that all Zener diodes are not created equal. Why? You’ll have to watch the video below to find out.

A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. An illustration of a magnifying glass.

A diode is a device that allows current to flow in one direction but not in the other. This ability makes diodes useful in many applications, including converting AC to DC, regulating voltages, and ...

* Generated by LTspice 26.0.1 for Windows. D1 Signal_1 OR_out 1N4148 D2 Signal_2 OR_out 1N4148 R1 OR_out 0 10k D3 AND_out Signal_1 1N4148 D4 AND_out Signal_2 1N4148 ...