EDN

Dual Relay Driver Board Circuit Schematic

A simple and convenient way to interface 2 relays for switching application in your project. This relay driver boosts the input impedance with a regular BC547 NPN transistor (or equivalent). Very ...
EDN

An introduction to analog circuit design* Part 1: Transistors and Elementary Circuits

Modern circuit design is a “mixed signal” endeavor thanks to the availability of sophisticated process technologies that make available bipolar and CMOS (Complementary Metal Oxide Semiconductor), ...
Science Daily

Team reports scalable fabrication of self-aligned graphene transistors, circuits

Researchers previously reported a self-aligned technique for making graphene transistors with unparalleled speed, but scalability was a question. The team now uses a dielectrophoresis assembly ...
Electronics Weekly

Circuit Schematic – Power and battery protection

In this circuit, a MOSFET protects a reverse-connected battery from excessive current. The MOSFET conducts only when the battery is correctly connected, which lets the battery charge or discharge. In ...
mccormick.northwestern.edu

Realizing Carbon Nanotube Integrated Circuits

Individual transistors made from carbon nanotubes are faster and more energy efficient than those made from other materials. Going from a single transistor to an integrated circuit full of transistors ...