2.2kΩ 2.2kΩ 2.2kΩ 2.2kΩ DC DC Req Name:_____________________ Student ID:_____________________ Section:_____________________ Date:_____________________ UNIVERSITY OF CALIFORNIA, BERKELEY EE40: Introduction to Microelectronic Circuits Equivalent Circuits Prelab NOTE: Many of these theoretical values will be used in your lab. Please record your theoretical values in questions 2 and 5 of your lab report. 1) The two circuits given below are equivalent. What is Req? A B I I A B1.2kΩ Vth Rth RL 7V 2.2kΩ RL 1.2kΩ 220Ω C D Rth RL ISC 2) The three circuits given below are equivalent. a) What is the value of RTH? b) What is the value of ISC? c) What is the value of VTH?10V 220Ω 220Ω Figure 2 Vth Rth Vth Rth RL 3) Circuits in Figure 1 and 2 below are equivalent. a) Find the values of Vth and Rth in figure 2 above. b) Use a source transformation to convert figure 2 into its Norton Equivalent Circuit. For the Norton Equivalent, make sure to find the exact value of ISC. c) Find the value of RL in figure 3 above that will maximize the power delivered to it. d) What is the maximum power when the load resistor assumes the value you found in step 3? Figure 1 2.2kΩ 1.2kΩ 1.2kΩ A B Figure
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