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D 5.50 The NMOS transistors in the circuit of Fig. P5.50 have V, = 0.5 V, M, Cox = 250 u A/V“, a = 0, and L, = L2 = 0.25 um.
and Q2, and the value of R, to obtain the voltage and current values indicated. +2.5 V CHAPTER 5 PROBLEMS 0.5 ma SR 0 +1.8 V
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Nmos Transistor - Doain Gate Source Given Data, Vt=0.5V lincos = 250 litlva d=0 4 =12= 0.25 lim. x,, lk2= ? and R=? Circuit 2For Q2 2 VG = Vo = 1.8v Vs = IV ; Va=0.5 VGs = VG-Us Vars = 1.8 -1 =018 Li VGs > VTHI Hence Q, Also on. Here Both the transisfor Qez YG = 1.8V, Vo = 1.8V Vs = lov V-I = 0.5V, I = 0, SOA Drain VDs Vas-4 Vos = Vo - Vs = 118-1 =0,8 l 0.8 0.8 -0.5 VGS =0.25x10 0.25 For Q :: To Fird kla ID2 = ₂ lucose (We) (Venez-vr.)² 0,$ x10 = 5 x 250x156 ( w )(1.2-1-0.5.)? 1 3 = 250 XW12 X0

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