This circuit was found in a 1965 General Electric documentation. SCRs and unijunction may be current equivalents. The circuit has period adjustment and symmetry.
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...
This two-digit circuit was found in the 1999 Radio Experimenter Handbook. It uses the CA3161 and...
This circuit with an unusual configuration was found in the January 1974 issue of Radio...