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Re: SC CMFB
thanks for ur reply!
sorry, i can't really understand what u mean the "cmfb output to bias current". is it the tail current contolled by the cmfb feedback voltage?
in my cmfb, Vcmo=1.65, Vbias≈0.95, but the vo+ & vo- is (1.61~1.63) ≠ 1.65, i do't know why...
hi,
i design a telescopic cascode OPAMP with SC-CMFB, but .tran simulation result shows that there is offset about 20mv between output voltage and Vcmo(1.65v). the curve is not flat . what's the problem with this?thanks!
and how to simulate the settling time of one full differential OPAMP with...
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