We have already presented this circuit, obtained from manuals from other manufacturers of the used integrated circuit. This is specifically from Motorola's 1990 Linear Databook.
August 2017 - Mouser Electronics is supplying Vishay's new high-speed, high-sensitivity...
This 4093 IC continuity tester was found in the November 1986 Radio Electronics magazine. The...
Based on a unijunction transistor, this circuit was found in the January 1994 issue of Electronics Now...