Found in an old Radio Electronics, this circuit applies to frequency meters for frequencies up to 100 MHz. The input impedance is in the order of 1 M ohm.
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...