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 typical two-transformer push-pull step circuit can be found on many small old radios and...
Suitable for recovering tape recorded media from a common tape player mechanism, this circuit is...
We found this circuit that converts a direct voltage into a proportional frequency signal. The...