This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000 uF depending on the desired time. The circuit is from an Electronics Now from June 1995.
To divide by an odd number‘ means not only the need for flip-flops, but some additional logic too. The...
This circuit was found in a May 1981 Radio Electronics magazine article. The circuit is offset...
This 65 MHz oscillator uses a special transistor from the time that admits an equivalent. The circuit is...