Found in the Encyclopedia of Electronic Circuits volume 5 from 1995, this circuit uses a transformer. The circuit feeds a transformer that produces 200 V for a xenon lamp.
The trigger point of this trigger can be set to P. The field effect transistor can be the BF245 and...
This common circuit using operational amplifiers was found in the 1993 issue of Radio Electronics Special...
This nice analog indicator circuit was found in the January 1974 issue of Radio Electronics...