This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
May 2016 - It can be obtained from Mouser Electronics new tricolors chipsLEDs from Broadcom for...
Indicated for applications with a PC, this circuit was found in an English documentation from...
The circuit shown in the figure consists of a low voltage dropout (LDO) regulator for 200 mA using...