This is an improved circuit from the earlier version also found in the April 1972 Radio Electronics magazine. The power transistors must be provided with heat sinks.
This circuit, which can only be used with incandescent lamps, is adapted to the common wall...
With this circuit it is possible to follow the transmission in the range of 2 meters with a...
Found in the June 1987 issue of Radio Electronics magazine, this circuit uses well-known CMOS...