independs on temperature variations

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nsbollam

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hello everyone
currently i am working on PTAT current generator, so i would like to ask question about PTAT current generator
1)is it PTAT current generator independent on temperature variations?
2)if independent then how ?
plz give me the solutions
 

The PTAT current behaves as the name suggests proportional to absolute temperature. For details, consult your IC design text book.
 

In cmos transistor ,is it saturation current is varied by temperature variation
if temperature variation occurs in cmos transistor then saturation current decrease or increases
plz explain me
 

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