How to deal with the reality that a standard buck controller power stage won’t work for negative-input conversion. Telecommunications equipment, industrial test and other applications require a negative input to negative output voltage conversion...
How to generate a regulated negative output from a negative input using a boost controller
Triply simply sequence supply voltages
This circuit design for power supply on/off sequencing uses Schmidt triggers for triple-positive-rail timing purposes...
One-shot surge protection
This moral of this story: any promises of protection and safety should be double-checked for validity...
Advanced sensitive lightning detector with PC graph
Simple to build, but serious instrument for monitoring and predicting weather disasters...
GPS-free systems to spur highly advanced sensors, fusion
We’ve come to expect the U.S.-based global positioning system (GPS) to be available and ubiquitous for the countless military, commercial, and consumer applications dependent on it...
4/20mA to 0/20mA loop current converter for grounded loads
Ground-referenced loads are common in industry. This circuit implements current loop conversions for them...
Low power oscillators
This page has two unusual two-transistor oscillators...
Triple-duty current loop calibrator
It’s always gratifying when a simple and successful design idea luckily turns out to have additional applications that you didn’t originally envision...
Programmable logic redefined for simpler, smarter, fully integrated designs
Microchip’s CLB-based PIC MCUs combine programmable logic and embedded control in a single device to help reduce latency, cost and design complexity...
ΔVbe thermometer is switchable between °C and °F
Ordinary bipolar junction transistors can sometimes be precision sensors...