This TTL counter was found in the April 1979 issue of Radio Electronics magazine. The circuit is powered by 5 V and has a pulse generator for educational or experimental purposes.
This original 70s RCA circuit appears elsewhere on this site, including original RCA...
This circuit, which makes an astable multivibrator, was found in the March 1973 issue of Radio...
This circuit uses two unijunction transistors and only one capacitor, generating signals at a...