Found on Popular Electronics from 1970, this circuit fires a xenon lamp producing a C1-dependent flash. The circuit is suitable for 110 V mains.
This automotive grade circuit was found in a 1991 Electronics Hobbyist. The transistors are...
This circuit is from a Radio Electronics from 1950. The transistor was still new and called a...
By the characteristics, this circuit can be used as command of triac by direct current, which is...