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发表于 2022-2-17 17:06:27
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I use Cadence Virtuoso.
The reference of Ravavi book:
ThecircuitofFig.11.51(a)providesnobiasfortheopampinputs,i.e.,thedclevelsat X and Y are not defined and can assume any value. (In the presence of gate leakage at the inputs, these nodes charge to V DD or discharge to ground.) Illustrated in Fig. 11.52, a simple remedy is to add two feedback resistors so that the input and output dc levels become equal.
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