Monday 19 January 2015

Peak detection comparator simulation problem.(Process and no VSS version)


Here is a peak detection comparator schematic and simulation,i have three question about them.


1.Why is there a high signal in C point,but not in A and B point?


2.There is VSS in this peak detection comparator schematic,is there a peak detection comparator schematic without VSS in it? I connect it with gnd,but the wave is wrong.


enter image description here


(1) peak detection comparator schematic


enter image description here (2) peak detection comparator simulation


The purple line is the \$V_{PZT}\$,and the blue line is the \$V_D\$,the red one is the output of comparator,that is ,\$V_{CP_PK}\$




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