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The ID vs. VDS IV curve of a certain nMOS transistor (with VGS – VTH = 2 V ) is plotted above (solid). The transistor will be loaded with RD = 1000 Ω and VDD = 6 V. This load line has been plotted above (dash-dot). What is the value of k? Note that the intersection of the two curves provides the operating point of the MOSFET. What is ID?

The ID vs. VDS IV curve of a certain nMOS transistor (with VGS – VTH = 2 V ) is plotted above (solid). The transistor will be loaded with RD = 1000 Ω and VDD = 6 V. This load line has been plotted above (dash-dot). What is the value of k? Note that the intersection of the two curves provides the operating point of the MOSFET. What is ID?

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The ID vs. VDS IV curve of a certain nMOS transistor (with VGS – VTH = 2 V ) is plotted above (solid). The transistor will be loaded with RD = 1000 Ω and VDD = 6 V. This load line has been plotted above (dash-dot). What is the value of k? Note that the intersection of the two curves provides the operating point of the MOSFET. What is ID?

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The ID vs. VDS curve of a certain nMOS transistor (with VGS − VTH = 2 V) is the piecewise-linear connection of ID = kVDS(VGS − VTH) and ID = k(VGS − VTH)2 plotted above as each of two dotted lines. Note that these dotted lines extend these equations into regions in which they are not valid. The transistor is loaded with RD = 100 Ω and VDD−9 V. This load line has been plotted using a solid black line. Recognize that ID = min{kVDS(VGS − VTH), k(VGS − VTH)2}. In words, the load line will intersect both dashed lines, but the intersection point with the lowest drain current, ID. is the correct operating point. What is that operating point, (VDS, ID) ? Comment: Alternately, the region in which the operating point of MOSFET exercise resides (active vs. Ohmic) can often be first determined by locating the graphical intercept points. You can then find an accurate solution by applying the region-specific equation for the piecewise-linear IV characteristic of the MOSFET. VDS = number (2 significant figures) V ID = number ( 2 significant figures) mA
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