jeremy_zhu
Member level 2
I’m reading a paper whose M1 & M2 of the ckt works in subthreshold region. In the paper, the Vgs2 VS Temp & Vgs1 VS Temp is just linear. But in my simulation ,the figure is not very good! The useful equation & my figure are attached below.(0.35um process in the paper).so my Vref fluctuation Vs Temp is bad!
Any good suggestions?what’s the key problem? Aspect ratio S4 & S1? but the TC changes little with different S1 & S4!
Any good suggestions?what’s the key problem? Aspect ratio S4 & S1? but the TC changes little with different S1 & S4!