This 5.1 MHz circuit was found in a 1980s documentation. The frequency is given by the crystal and general purpose transistors can be used.
July 2017 - Texas Instruments' new 3 A bq25601 single cell battery charger can be found on Mouser...
The presented circuit is based on an operational transconductance amplifier (OTA) having been...
This circuit generates high voltage for the firing of a xenon lamp. We found this configuration in a 1994...