This regulator can use BD'136 as the main transistor and as a reference next to a BC548 zener. The circuit provides a voltage of 9V from 12 to power devices that use batteries.
This preamplifier is recommended by Sanyo and is based on its LA3160 integrated circuit. The...
This circuit, which draws numbers from 00 to 99, was found in an Italian magazine from 1974, but...
The circuit is from the 1994 National Semiconductor Linear Applications Handbook. The component used is...