Calculate the output resistance of the Wilson current mirror shown in Fig. 4.57. What is the percentage
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Calculate the output resistance of the Wilson current mirror shown in Fig. 4.57. What is the percentage change in IOUTfor a 5-V change in VOUT? Compare your answer with a SPICE simulation using a full device model. Use SPICE to check the βFsensitivity by varying βFby −50 percent and examining IOUT. Also, use SPICE to plot the large-signal IOUT-VOUTcharacteristic for VOUTfrom 0 to15 V.
Figure 4.57:
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From 4100 I OUT Ic 2 I IN 1 2 2 2 2 I IN 15 2 07137K 0993 mA 1 mA I OUT 0993 1 2200 2 ...View the full answer
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Related Book For 
Analysis and Design of Analog Integrated Circuits
ISBN: 978-0470245996
5th edition
Authors: Paul R. Gray, Paul J. Hurst Stephen H. Lewis, Robert G. Meyer
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