LOGIC TESTER Russian patent published in 1999 - IPC

FIELD: pulse technique, namely devices for diagnostics of starting and adjusting operations, at maintenance and repairing automatic and computing equipment on emitter-coupled logic microcircuits. SUBSTANCE: logic tester including input device, three indication members and protection circuit also includes 2AND-NO gate, binary counter, four transistorized switches controlling indication members and reset button. EFFECT: enlarged functional possibility of tester due to counting, registering and indicating number of passing pulses. 1 dwg