Driver Saves Power In Energized Relay

By Sanjay R. Chendvankar, March 22, 2011

Relay driver switches from full-wave to half-wave rectification after relay pulls in in order to save power.

Use A Battery To Power Your Refrigerator Door Alarm

By Sanjay R. Chendvankar, March 11, 2010

Create A Simple Crowbar To Protect Prototypes From Supply Overvoltage

By Sanjay R. Chendvankar, September 10, 2009

There's no telling what your co-workers will do to your bench supply when you walk away momentarily. This Idea for Design describes a simple crowbar circuit that will prevent supply-overvoltage mishaps with prototypes under test.

Instrument Measures Wire Tension

By Sanjay R. Chendvankar, September 01, 2005

This instrument measures tension on the wires fixed inside the tubes of the proportional wire chambers used to detect charged particles in high-energy physics research. The material is gold-plated tungsten. The wires measure between 3 and 30 cm long, wit

Make A Dual ECL Latch Function As A Dual R-S Flip-Flop

By Sanjay R. Chendvankar, April 12, 2004

The MC1030 is a clocked dual D-type latch. Any change in the D input will be reflected at the output while the clock is low. The outputs are latched on the clock's positive transition. Also, this device features set and reset inputs that don't...