rockycheng said:Thank you for the reply! It is just a normal cascode OTA. I've tried the following test circuit to see the gain vs. frequency transfer function. The result is just the same without the feedback. Would anyone tell me why and when to use the circuit like this? Or it is useless at all?
rockycheng said:I heard about some tricky ways, using large resistance and capacitance to form a feedback. But I'm not quite sure. Could anyone tell me the exact way? Thanks a lot.
Regards
rockycheng
paley said:T=RC must vrey large
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