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An NMOS transistor, operating in the linear-resistance region with vDS = 0.1 V, is found to conduct 60 A for vGS = 2 V and 160 A for vGS = 4 V.
4.15. An NMOS transistor, operating in the linear-resistance region with vDS = 0.1 V, is found to conduct 60 A for vGS = 2 V and 160 A for vGS = 4 V. What is the Apparent value of threshold voltage Vt ? If kn = 50 A/V2 , what is the device W/L ratio? What current would you expect to flow with vGS = 3 V and vDS = 0.15 V? If the device is operated at vGS = 3 V, at what value of vDS will the drain end of the MOSFET channel just reach pinch off, and what is the corresponding drain current?