Delay Pulse Generating Circuit of SN7490

Published:2011/8/25 22:38:00 Author:Michel | Keyword: Delay Pulse, Generating Circuit | From:SeekIC

Picture 1 is delay pulse generating circuit of SN7490.They use 220V,50Hz AC as benchmark delay pulse generating circuit. In the circuit,A port can output 0.1s,B terminal outputs 1s and C end can output 10s time delay pulse.It can be used as benchmark pulse circuit and it is the basic form of digital counter the circuit. Picture 1:Delay Pulse Generating Circuit of SN7490



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