lecture 39

lecture 39 - Evening tests Hour Test 1 6:30-7:30 PM PHYS...

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1 10 Evening tests: Hour Test 1, 9/21/10, 6:30-7:30 PM, PHYS 112 Hour Test 2, 10/26/10, 6:30-7:30 PM, PHYS 112 Hour Test 3, 11/18/10, 6:30-7:30 PM, PHYS 112 A seating chart will be posted for each test. Sit in the assigned seat only. Grading Three tests 100 points each Final 200 points (Date TBA) HW 70 points Instructor option 30 points Total 600 points Grades: A+, A, A - , B+, … etc. Drop 2 HW’s Final: 12/17/2010, Friday 1:00 to 3:00 PM SMTH 108 Slide #3 of the first lecture Microphone Transistor amplifier Transformer and speaker Summary of Lecture #39 11/29/2010 Definition of one- and two-port circuits Passive one-port circuits, Z(s) and Y(s) Active one-port circuits, Thevenin and Norton equivalent circuits Thevenin equiv. circuit by matrix partitioning Examples Definition of two-port circuits Open-circuited Impedance parameters, [ Z (s)] and z ij (s) Short-circuited dmittance parameters, [ Y (s)] and y ij (s) Hybrid parameters, [ H (s)] and h ij (s) Transmission parameters , [ T (s)] and t ij (s) g parameters 13 One-port circuits A “port” has two leads or two terminals. Current going into a terminal must leave from the other terminal of the same port all the time and under all circumstances or excitations. Passive one-port circuits Z(s)=V 1 (s)/I 1 (s), Y(s)=I 1 (s)/V 1 (s) Active one-port circuits Thevenin and Norton equivalent circuits. V s (s) = I s (s) Z th (s) + V oc (s) I s (s) = [V s (s) / Z th (s)] - I sc (s) I s + _ V s Z(s) 14 Two-port circuits A two-port circuit has two sets of lead wires or two sets of terminals. two ports Current entering a terminal of a port must leave from the other terminal of the same port. Open-circuited
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lecture 39 - Evening tests Hour Test 1 6:30-7:30 PM PHYS...

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