Peak value hold circuit diagram composed of μPC151A

Published:2011/4/27 2:13:00 Author:Nicole | Keyword: peak value | From:SeekIC

The figure of a peak value hold circuit composed of μPC151A is as shown. It is a peak value hold circuit and used to measure pulse. The first level peak value hold circuit is composed of A1 and A2, the capacity of charge capacitance should be as small as possible, then the peak value of inout singal will fast charge to it. The second level peak value hold circuit is composed of A3 and A4, charge capacitance C2 should use larger capacitance, then it can obtain the needed longer hold time. C2 should choose button capacitance.



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