This traditional TTL configuration was obtained in a 1977 documentation. The supply must be made with 5 V and the capacitors can be changed for operation at other frequencies.
This oscillator for the fifth overtone of a crystal was found in a Radio Electronics magazine from...
Found in an American publication from the 1970s, this circuit makes use of unusual components...
This circuit was found in the September 1984 issue of Radio Electronics magazine. The frequency is given...