Review,%20December%203,%202009

# Review,%20December%203,%202009 - Department of Electrical...

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Unformatted text preview: Department of Electrical and Computer Engineering ECSE 352 Electromagnetic Waves and Optics eview Problems Review Problems Example Example The standing wave ratio on a lossless 50 Ω transmission line terminated in an unknown load impedance is found to be 3.0. The distance between successive voltage minima is 20 m, and the first minimum is located at 5 cm from the load. Determine (a) the reflection cm, and the first minimum is located at 5 cm from the load. Determine (a) the reflection coefficient and (b) the load impedance. ECSE 352 Example Example A signal generator is to feed equal power through a lossless air transmission line with a characteristic impedance 50 Ω to two separate resistive loads, 64 Ω and 25 Ω . Quarter- ave transformers are used to match the loads to the 50 ne. (a) Determine the required wave transformers are used to match the loads to the 50 Ω line. (a) Determine the required characteristic impedances of the quarter-wave lines. (b) Find the standing-wave ratios on characteristic impedances of the quarter-wave lines....
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## This note was uploaded on 07/09/2011 for the course ECSE 352 taught by Professor Mi during the Spring '10 term at McGill.

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Review,%20December%203,%202009 - Department of Electrical...

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