This Design Idea describes a versatile test circuit for zener diodes after yet another misread zener diode had infiltrated the ranks of 1N4148 diodes assembled on a pc board...
Zener test circuit serves as DC source
N-ch and P-ch transistors form push-pull driver
This circuit can produce high speed output signals with fast rise and fall times...
Toshiba samples TB9M040FTG SmartMCD device integrating MCU and MOSFETs for direct drive of compact automotive BLDC motors
Toshiba Electronics Europe has started shipping engineering samples of the TB9M040FTG, a new addition to its SmartMCD series...
Circuit protects from battery polarity reversal
This simple circuit can protect a sensitive electronic circuit from an accidental connection of a battery with a reversed polarity...
~0.1% resolution capacitive position sensor
Simple circuit ratios sensor capacitance to reference capacitor to measure micrometers...
How to generate a regulated negative output from a negative input using a boost controller
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...
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...