Hw7 - W/L=10/5 V Tn = 0.7V μ n Cox=75 μ A/V 2 n...

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UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #7 Due Tuesday, March 21 st , 2006. EE 105 Spring 2006 1) You are given the two port model of an amplifier shown below in Fig. 1. Given that Rin=100 Ω , Rout=10k Ω and RL = 10k Ω , a. Find the overall voltage gain. b. Find the overall transconductance. c. Find the overall current gain. d. Find the overall transresistance. Figure 1. 2) You are given an NMOS common-gate amplifier with the following data:
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Unformatted text preview: W/L=10/5 V Tn = 0.7V μ n Cox=75 μ A/V 2 . λ n =0.02V-1 . ro=roc a. Find the value for I BIAS so that V OUT =0V when I SUP =100 μ A b. Calculate the two-port parameters Rin and Rout. c. Calculate the overall current gain. Figure 2. 3) You are given an NMOS common-drain amplifier with a current source supply as shown in Figure 3. The input signal source is a voltage. The device data is the following: W/L=20/2 V Tn = 0.7V μ n Cox=50 μ A/V 2 . λ p =0.05V-1 . roc=ro. a. Find the value for V BIAS so that V OUT =0V when I SUP =200 μ A b. Calculate the two-port parameters Rin and Rout. c. Calculate the overall voltage gain. Figure 3....
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