For an 8 ohm load, this Motorola circuit was found in a 1968 documentation. The transistors are of the time and the power supply must be symmetrical.
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...