Like polarity drive circuit

Published:2011/4/21 22:49:00 Author:Nicole | Keyword: like polarity | From:SeekIC

Using shield wire, twisted pair or coaxial cable, the 74S140 like polarity driver transports the data to HCPL-2602 optical coupling receiver with high data transmission speed. The reflex action produced by active terminal receiver has no influence on the performance. To connect capacitance C and in series with resistance R, it can make the data transmission speed reach the possible maximum speed. C should as large as possible, it is no need to prevent the regulator tube of receiver from turning off during the input singal negative bias. If tPHL=tPLH, then it will obtain the maximum data transmission speed.



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