This Schmitt trigger that converts rectangular signals to square signals was found in the January 1994 issue of Electronics Now magazine. The circuit uses common general-purpose transistors.
This circuit found on a William Sheets can be used with a headphone or external amplifier. The...
In the figure we have the circuit of a complete audio generator using the 741. The circuit was found...
This monostable multivibrator with signals in phase opposition was found in October 1986 Radio...