Found in an article in the August 1971 Radio Electronics magazine, this circuit supports 106 series SCRs and general-purpose transistors such as the BC.
This simple circuit causes an LED to flash at times whose active cycle is determined by C1 and C2....
In the figure we show the typical configuration of a shared line using a twisted pair where the...
This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The...