ELEC5403_Tutorial_1

# ELEC5403_Tutorial_1 - arrangement of incident and reflected...

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ELEC5403 – 2010: RF Engineering – Tutorial 1. In the first Lecture we talked about NORMALISING transmission lines to a characteristic impedance of 1 . Get in to the habit of normalizing as your FIRST step! Question 1. A 50 transmission line is terminated in a load of 75 . Sketch the arrangement of incident and reflected vectors at the load which achieve this. Question 2. The 50 transmission line is now terminated in a inductive load of +j50 . Sketch the
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Unformatted text preview: arrangement of incident and reflected vectors at the load which achieve this. Question 3. On a Smith chart (see download area of the course website) plot a load value of (50 + j50) Ω . This point is then the TIP of the reflected voltage vector. Do/draw the vector addition to find TOTAL vectors: Take the vector ratio of these to prove that it corresponds to the load impedance that you started with. That might help to convince you about my VECTOR approach!...
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