This circuit was found in a1980s Motorola documentation. The integrated circuit is from that time. The frequency depends on the crystal.
This circuit provides 6.3V of output from a 9V input. The circuit was found in a Dutch publication from...
August 2017 - Mouser Electronics already has in stock the new integrated circuit CP2615, which...
The output voltage of this circuit is equal to the sum of the input voltages, if the result is...