FIELD: pulse engineering. SUBSTANCE: annular counter has the first and the second two-channel multiplexers, four RC-elements of the first and the second groups, the first and the second OR-NOT gates, the first and the second inverters, four EXCLUSIVE-OR gates, four inverters, four restrictors, four resistors of the first and the second groups. EFFECT: excluded data losses at breakages in power. 4 dwg
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