Obtained from a 1969 neon lamp documentation, this circuit shows how to assemble an indicated circuit triggered by - 24V pulses. The neon lamp is of the era type.
This circuit was found in an American 80's circuit board. The components used are current except the...
Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio...
This circuit needs only 0.7 V at 40 uA to drive the relay. We found it in the November 1993...