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.
Here we show how to add a reset key to the monostable using two NAND gates (CB127E). When the key...
This short circuit protection circuit accelerates the blown fuse in case of an output overcurrent. The...
This signal injector circuit, an astable multivibrator, was found in a 1971 magazine. The circuit can...