Combining Cor Van Rij's JFET test socket with two DMMs, a current limiter, switches and a wall wart yield a simple, accurate ...

This little circuit indicates the basic integrity of a printed board, detecting 0V, positive supply voltage from less than 3V to 30V and floating parts. If the probe is floating, as it would be in a ...

Learn important MCQs (with solutions) for CBSE Class 12th Physics Board Exam 2020 (Chapter 14- Semiconductor Electronics: Material, Devices & Simple Circuits). Here you will also get important links ...

When reaching for a power supply design it’s normal here in 2022 to reach for a switching design. They’re lightweight, very efficient, and often available off-the-shelf at reasonable prices. Their ...