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Wilson Current Sources
written 5.8 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 4.8 years ago by gravatar for ankitpandey ankitpandey • 100
microelectronics
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written 5.7 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 4.8 years ago by gravatar for ankitpandey ankitpandey • 100

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Figure (a) is Wilson current source.

Note that the Vds values of M1 and M2 are not equal. Since $\lambda $ is not zero, the ratio $I_o / I_{ref} $ is slightly different from the aspect ratios. This problem is solved in the modified Wilson current source as shown in …

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