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.
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...
This circuit for 12 V relays was found in the July 1992 Radio Electronics magazine. The circuit is set...
The figure shows how to add a Darlington stage to an operational amplifier in order to obtain a...