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HIgh Gm and high rout amplifier

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hoda ahmed

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Hello,

Please I want to ask how to design an amplifier " transconductance Gm" with high Gm of 30m and high output resistance of 100K at the same time , I used folded casocde amplifier to satisfy high output resistance but because it was designed to be with high Gm , the current in the differential pair transiator and the source transitor is very high and this limits the output resistance to 1K only , I want a Gm with high Gm and high output resistance ??

Thanks in advance

Hoda
 

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