This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
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...