Found in an Electronics Now from the 90s, this circuit appears elsewhere in this section and website. The diodes are for general use and the basic frequency is given by C.
This basic circuit was found in the March 1998 issue of Electronics Now magazine. The circuit is...
The 4528 is a dual-retriggerable monostable that needs only the timing network formed by R and C...
This TTL circuit with the 74121 has a delay given by the capacitor of 680 pF. This component can...