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Where to find information about OTA?

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puyeng

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would like to ask if anyone has links/references to basic of ota, especially current-mirror ota used in the bioamplifier (like the one used by harrison in his paper for neural amplifier)

one of the thing i want to know is the gain bandwidth equation, which i was told as gm/CL. but when it is compared to two stage op amp, which gbw is equal to gm/Cc, the ota has larger gbw than the 2-stage op amp, although CL>Cc.

another thing that i want to know is the strength/weakness of the ota compared to two stage. all i know is the difference in driving the load.

for the effort of helping me... thanks in advance[/i]
 

ahmad_abdulghany

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Re: questions on ota

Read "Design of Analog CMOS Integrated circuits" by "Behzad Razavi"
there's a complete chapter about it,
also you can get the book from here on the board or from eMule,

BR
Ahmad,
 

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