This circuit for medium and short wave range was found in an American documentation from 1992. The circuit can use general purpose transistors and the antenna can be external or telescopic.
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...