We found this transistorized circuit in a 1985 documentation. The circuit can operate with voltages from 9 to 12 V and the adjustment of the operating point or input sensitivity is done in P1.
This useful power supply was found in an 1985 Italian publication, but can still be assembled...
June 2017 - Molex Transcend® devices consisting of a Molex intelligent lighting system can now be...
This microamplifier was found in a Popular Electronics from June 1968. It is an experimental...