This countdown electromagnetic ring launcher was found in an Electronic Hobbyst Handbook from 1993. The components can be difficult to obtain. Details of the launch coil were not given.
We found this super-regenerative circuit for the short-wave range and VHF in a 1990 documentation. The table...
This amplifier, suggested by National Semiconductor (Now Texas Instruments), has high input...
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...