This oscillator was found in the January 1987 issue of Radio Electronics magazine. The frequency is adjusted by C1, and the output has good symmetry. The power supply is typically 3 to 12 V.
This 1997 documentation circuit was originally created for use with Camcorder type video cameras....
This circuit was found in a 1968’s publication and uses germanium transistors. The characteristic...
This simple circuit was found in a 2001 documentation. With each touch of CH1, a 4017 output...