The signals from this circuit obtained from the 1965 Radio Shack documentation are picked up from a medium wave receiver. L1 and L2 have 80 to 100 turns of yarn 28 on a ferrite rod.
This circuit was found in an old American optoelectronics manual. The circuit makes use of an...
This is a traditional flasher configuration with two neon lamps. The frequency is given by the 100 nF...
This article was obtained in a French magazine Nouvelle Electronique from 1994. It can be easily...