| Direct current resonance is a new technology that converts direct current electric energy into electromagnetic field energy and uses a newly...
| Direct current resonance is a new technology that converts direct current electric energy into electromagnetic field energy and uses a newly...
| This all-analog, microcontroller free (!) project got designed in response to cries for help from a diehard model plane enthusiast on the El...
| This comment considers German energy policy, as set out in the Energiewende, as seen from the perspective of attempts to reduce CO2 emission...
| With this portable instrument, you can safely test and measure very quickly all diodes, zeners, LEDs, etc... in their actual conditions of u...
| Reducing the number of interconnections in any system improves reliability. In June 2012 we published an idea by this author which uses just...
| The circuit shown here is a current-controlled inrush limiter placed in series between the AC line and the switched load. It uses a coil and...
| Central current sources on USB host devices are often saisd to be limited at well over 500 mA. Are they? We investigate once again.
| A transconductance amplifier like this can be used as a versatile amplifier stage for a wide range of measurement functions, as you’ll see i...
| This project was inspired by a model plane enthousiast who likes to fly large models. One problem he had was that when the battery pack is c...
| Professional current transformers often use toroidal cores and are wound to high precision. The purpose of this article is to demonstrate ho...