This circuit can be used to generate percussion sounds such as bell, triangle, etc. The circuit must be powered by symmetrical source and the triggering is by external pulse.
This circuit was found in a 1963 publication. Its purpose is to test general purpose NPN and PNP...
Found in September 1984 Radio Electronics issue this circuit has adjustable pulse width and...
This pocket-sized VHF receiver was found in Radio Electronics magazine from January 1961. It uses...