We found this circuit in a 1965 Electronic Design. Transistors are still common but admit equivalents for some of them. The circuit drains a current of only 4 mA.
This 90's Radio Electronics circuit uses uncommon integrated circuits today. The circuit is...
This power supply was found in a RCA publication from the 1970s. The circuit uses transistors from that...
January 2017 - Mouser Electronics is supplying the new SIDACtor protection thyristors from...