The NMOS transistor in the common gate amplifier circuit shown has the following parameters: =...
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The NMOS transistor in the common gate amplifier circuit shown has the following parameters: λ = 0 kn = 500 μA/V² VTH = 1 V VIN includes the input bias voltage. The Q-point of the amplifier is to be set at your = 4 V. a. 1 pt. What should the value of VIN be? b. 2 pts. What range of values of VIN will keep the transistor in saturation. c. 2 pts. Compute for the gain of the amplfier by evaluating the derivative of your with respect to VIN at its Q-point. Problem 2: 5 points The PMOS transistor in the amplifier circuit shown has the following parameters: μpCox = 100 μA/V² λ = 0 Vi (volts) -2.0 -1.5 a. 3 pts. Construct an approximate VTC curve by filling up the table below using the large signal model of the transistor and plotting the results. vo (volts) -0.5 0.0 0.5 W = 1 μm VTH = -1 V 1.5 2.0 L 200 nm Remarks transition to saturation transition to cut-off 100 k VG 200 k Iw". VI 9V 5 K 2.0 V www. 100 K -1 VOUT VIN c. 1 pt. Approximate the gain of the amplifier at the Q-point by solving for Avo/Avi in the vicinity of the Q-point. Vo b. 1 pt. If we approximate the gain to be constant between the two transition points, what Q-point should be selected for maximum output swing? The NMOS transistor in the common gate amplifier circuit shown has the following parameters: λ = 0 kn = 500 μA/V² VTH = 1 V VIN includes the input bias voltage. The Q-point of the amplifier is to be set at your = 4 V. a. 1 pt. What should the value of VIN be? b. 2 pts. What range of values of VIN will keep the transistor in saturation. c. 2 pts. Compute for the gain of the amplfier by evaluating the derivative of your with respect to VIN at its Q-point. Problem 2: 5 points The PMOS transistor in the amplifier circuit shown has the following parameters: μpCox = 100 μA/V² λ = 0 Vi (volts) -2.0 -1.5 a. 3 pts. Construct an approximate VTC curve by filling up the table below using the large signal model of the transistor and plotting the results. vo (volts) -0.5 0.0 0.5 W = 1 μm VTH = -1 V 1.5 2.0 L 200 nm Remarks transition to saturation transition to cut-off 100 k VG 200 k Iw". VI 9V 5 K 2.0 V www. 100 K -1 VOUT VIN c. 1 pt. Approximate the gain of the amplifier at the Q-point by solving for Avo/Avi in the vicinity of the Q-point. Vo b. 1 pt. If we approximate the gain to be constant between the two transition points, what Q-point should be selected for maximum output swing?
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Part a To find the value ofVmwe need to use the DC transfer curve of the NMOS transistorThis curve shows the relationship between the drainsource voltageVDSand the drain currentIDfor a given gatesourc... View the full answer
Related Book For
Management of Organizational Behavior
ISBN: 978-0132556408
10th edition
Authors: Paul Hersey, Kenneth H. Blanchard, Dewey E. Johnson
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