Given the following circuit label determine the operating state and drain current for the following conditions. Assume VT = 2 V and k = 1 mA/V2 Read more Read less
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![Refer to the MOSFET in the figure below where VT = 1 V and k = kn′W/L = 4 mA/V2 - for questions (a-c). (a) [CO1] Identify the value of the gate voltage vG and the drain-source current ids. (b) [CO2] Calculate the drain voltage VD. (c) [CO2] Analyze the circuit to find the source voltage Vs. [Use the method of assumed states. ] (d) [CO3] Consider a MOSFET inverter (SR model) with the following circuit parameters: VCC = 10 V, RL = 10 kΩ. Also, for the MOSFET, VT = 1 V and 1 /(kn′Vov ) = 5. Determine a W/L sizing for the MOSFET so that the inverter output of logical 0 can switch OFF the next MOSFET inverter connected to it.](https://www.doubtrix.com/uploads/editor/2358565248VAgWSbwMOn.jpg)
![USING MATLAB A MOSFET has three modes of operation: cutoff, triode, and saturation. The triode region is also referred to as the linear or quadratic region. The drain current of the n-channel MOSFET (NMOS) is found from the following set of equations: Cutoff: (VGS < VT) ID = 0 Triode: (VCS > VT and VDS < VGS−VT) ID = k[(VGS − VT)VDS − 12 VDS2] Saturation: (VGS > VT and VDS > = VGS − VT) ID = 12 k(VGS − VT)2 where: k is the transconductance parameter (A/V2) VG is the voltage on the gate (V) VD is the voltage on the drain (V) VS is the voltage on the source (typically zero) (V) VT is the threshold voltage (V) From the NTB5860 NL datasheet, we can find: k = 240 AV2 VT = 2.4 V Plot ID versus VDS on a single graph. a. Use the same values for VGS. b. Adjust the graph so that the scale replicates Figure 1 of the datasheet. c. Label the x and y axes the same as Figure 1 of the datasheet. d. Add text within the figure to label the gate voltages.](https://www.doubtrix.com/uploads/editor/0400258642QsBZoHcjRn.png)
