Making a precision programmable current sink by floating the long-forgotten anode pin of the TL431 voltage regulator.

Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States ...

A typical digital circuit can be designed using basic elements like Transistors, Logic Gates, Flip-Flops or even using complex elements like microcontrollers, microprocessors and other computing chips ...

Updated April 12, 2025 Brent Butterworth Share this post Your new turntable was conceived in an era when vinyl records were the royalty of the audio world ... headphone amp, as long as it has ...

It is possible to build a lot of things today without ever handling a discrete transistor. However, a modern integrated circuit can ... with a three-transistor audio amplifier back in 1950.

The most recent installment of [Dino Segovis’] Hack a Week covers the construction of a simple NPN transistor audio preamp. Some time ago, he built a small audio amplifier using an LM386 which ...