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.
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...
This circuit was obtained in an old American manual. The circuit is valid for any operational. The...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...