This interesting comparator circuit was found in an old Motorola documentation. The integrated circuit is from that time, not common today.
This circuit, which may have more inputs, consists of an optical OR gate using common...
Fluorescent lamps in the range from 4 to 40 W can be powered on from cells or batteries. The lamp...
This old taster circuit, found in 1970s American documentation, is for operatives and comparators of...