Digital pulse width measurement circuit composed of CD4518 and CD4069

Published:2011/3/28 1:53:00 Author:may | Keyword: Digital pulse width measurement | From:SeekIC

Digital pulse width measurement circuit is show in the diagram. It adopts a 100KHz reference frequency, count at the range of measured signal pulse width, the product of count value and resolving capability present measured signal pulse width value, display through four digital seven-segment LED. The resolving capability is 10μs, its maximum measure width is 99.99ms. IC2, IC3 is double BCD up counter CD4518; IC4~IC7 is BCD seven-segment latch/ decoder/ driver CD4511.



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