This circuit for car engine spot adjustment was found in an 80's Radio Electronics. The circuit makes use of a xenon lamp and the pulse transformer must have a turn ratio of 1:50.
March 2017 - Texas Instruments LM5166 Synchronized Buck Converters are available at Mouser for 3V...
This ouput push-pull stage using bipolar transistors was found in a publication of the year 1968....
This circuit was originally designed to automatically turn on a television when a video game is...