2011_midterm - ECE ECE145A(undergrad and ECE218A(graduate Mid-Term Exam November 8 2011 Do not open exam until instructed to Open notes open books etc

2011_midterm - ECE ECE145A(undergrad and ECE218A(graduate...

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1 ECE ECE145A (undergrad) and ECE218A (graduate) Mid-Term Exam. November 8, 2011 Do not open exam until instructed to. Open notes, open books, etc You have 1 hr and 15 minutes. Use any and all reasonable approximations (5% accuracy is fine. ) , AFTER STATING THEM. Problem Points Received Points Possible 1 20 2a 10 2b 10 2c 10 3a 15 3b 10 4 25 total 100 Name: _______________________
2 Problem 1, 20 points The Smith Chart and Frequency-Dependent Impedances. HINT: use the scales on the figures to measure distances as needed. (a) (b) (c) (d) (e) (f)
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4 Match each Smith Chart with each circuit, and give all resistor values, and all transmission line delays and characteristic impedances. The charts all use 50 Ohm normalization: Smith chart (a). Circuit=__________. Component values=_____________________ Smith chart (b). Circuit=__________. Component values=_____________________ Smith chart (c). Circuit=__________. Component values=_____________________ Smith chart (d). Circuit=__________. Component values=_____________________
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