This circuit uses a capacitor that depends on the frequency of the crystal. We found it in a 1967 documentation. The maximum frequency is around 100 kHz.
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...