Found in Unitrode documentation, this oscillator uses some unusual components today such as PU and the 3 M potentiometer. The power can be made with voltages around 15 V.
Here is another project that is based on an astable multivibrator, in a demonstration of the...
This circuit selects a signal at a frequency determined by the double T. The NPN transistors can...
Found in the November 1999 issue of Electronics Now magazine, this circuit generates a 6.67 Hz...