(15 pts) The circuit of Fig. 7 is with VDD = 5 V, VSS = −5 V, IREF = 2

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(15 pts) The circuit of Fig. 7 is with VDD = 5 V, VSS = −5 V, IREF = 25 μA, μnCox = 250 μA/V2, μpCox = 160 μA/V2, and Vtn = |Vtp| = 1 V. (a) (10 pts) Find ID1, ID2, ID3, ID4, ID5 for 0.2(W/L)1 = 0.5(W/L)2 = (W/L)3 = (W/L)4 = (W/L)5 = 5. (b) (5 pts) Find the value of R. Figure 7.

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(15 pts) The circuit of Fig. 7 is with $V_{D D} = 5 V, V_{S S} = - 5 V, I_{R E F} = 25 μ A, μ_{n} C_{o x} = 250 μ A / V^{2}, μ_{p} C_{o x} =$ $160 μ A / V^{2}$ , and $V_{t n} = | V_{t p} | = 1 V$ . (a) (10 pts) Find $I_{D 1}, I_{D 2}, I_{D 3}, I_{D 4}, I_{D 5}$ for $0.2 (W / L)_{1} = 0.5 (W / L)_{2} = (W / L)_{3} = (W / L)_{4} = (W / L)_{5} = 5$ . (b) $(5$ pts) Find the value of $R$ . Figure 7.