8.82 In a particular cascoded current mirror, such as that shown in Fig. 8.39, all transistors have Vt = 0.6 V, μnCox = 160 μA/V2, L = 1 μm, and VA = 10 V. Width W1 = W 4 = 4 μm, and W2 = W3 = 40 μm. The reference current I REF is 20 μA. What output current results? What are the voltages at the gates of Q2 and Q3? What is the lowest voltage at the output for which current-source operation is possible? What are the values of gm and

8.82 - 8.82 In a particular cascoded current mirror, such as that shown in Fig. 8.39, all transistors have Vt = 0.6 V, μnCox = 160 μA/V2, L = 1 μm, and VA = 10 V. Width W1 = W 4 = 4 μm, and W2 = W3 = 40 μm. The reference current I REF is 20 μA. What output current results? What are the voltages at the gates of Q2 and Q3? What is the lowest voltage at the output for which current-source operation is possible? What are the values of gm and

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images - 8.82 In a particular cascoded current mirror, such as that shown in Fig. 8.39, all transistors have Vt = 0.6 V, μnCox = 160 μA/V2, L = 1 μm, and VA = 10 V. Width W1 = W 4 = 4 μm, and W2 = W3 = 40 μm. The reference current I REF is 20 μA. What output current results? What are the voltages at the gates of Q2 and Q3? What is the lowest voltage at the output for which current-source operation is possible? What are the values of gm and

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