This regulator or voltage reference consists of a variable zener diode. We found it in the June 1984 issue of Radio Electronics magazine. The output current is low.
The circuit shown bellow is na áudio amplifier using Darlington transistor in a complementary...
Indicated for automotive use, this circuit was found in a Popular Electronics from the 90s. The...
This TTL circuit was found in an American documentation from the 80s. The components are common in the...