This is the factory setting (National Semiconductor) of the TDA2006 as an audio amplifier. The circuit works with 24 V and the diodes can be 1N4148.
This didactic circuit was found in a 2001 documentation. It automatically counts in an increasing and...
This dual-band receiver was found in documentation from the 1970s. The original transistors are...
In the figure we have the typical configuration of a voltage regulator based on an operational amplifier....