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Unformatted text preview: > hspice xxx.sp >! xxx.lis >info: *****hspice job concluded > wv & e) View the results from W ave View Analyzer and print out the I D-V DS curves. Compare the measured and simulated curves and comment on the results. f) Modify the netlist (to provide V BS = -1.2 V) and repeat part (d) and (e) for the blue curves of figure 1. 2. Figure 2 shows the measured log( I D ) V GS curves of the same NMOS transistor. (the data file is attached) Figure 2 a) Assume the sub-threshold current can be approximated with T th V GS V nV d e I I ) ( = , where V T = 26mV. Estimate the value of n for this transistor. b) Use the extracted model and procedure of problem 1 to simulate and print out the curves shown in F igure 2 (log( I D ) V GS ) and normal I D V GS curves. Comment on the accuracy of the simulation results for different regions of operation....
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- Spring '08