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comparator regenerative time
try "Cmos Analog Circuit Design, Phillip Allen" chapter 8
or "Analog Integrated Circuit Design, D Johns"
Both of the books have detail description of time constant calculation.
comparator noise
I use a latched comparator which is figure8.5-7 in Allen's book chapter 8.5.
Connect two 10k resistors to the differential input pair and input a voltage difference between the input pair. While regenerating, The kickback noise makes input difference larger. It looks like...
kickback noise
Hi all,
If the preceding circuit of a comparator is the output of OTA OpAmp, is the kickback noise still critical for this comparator?
why a preamplifier can eliminate kickback noise?
Your help will be highly appreciated
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