This simple 12 V power supply with current up to 2 A was found in a Popular Electronics from the 90s. The zener diode is 14 V and transistor Q2 can be a TIP42.
This circuit was obtained in an old US 1974 documentation when Nixie tube displays were common. The...
April 11, 2016 - Mouser Electronics, Inc. is pleased to announce the availability of the new...
This circuit allows to activate a relay in a biestable way using a 555. The pressure switches arm and...