This oscillator provides a 1 MHz rectangular signal determined by the capacitors used. The circuit must be powered by a voltage of 5 V. The maximum frequency depends on the logic used.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This project from a 1983 publication can be assembled using more modern transistors. We can use...
The circuit shown in the figure is the version activated at the low level, of the previous circuit...