RF test 1

# RF test 1 - Name:_ SSN: _ EE 40022 Test # 1 Spring 2003 1....

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Name:_______________________________ EE 4002-2 Test # 1 SSN: _______________________ Spring 2003 1. Design a transmission line (TL) length so that the following circuit has a  purely real input impedance at 950 MHz.  Assume v p  = 0.69c. What is the  reflection coefficient at the load  Γ L , and at input to the TL  Γ in ?  What is the  standing wave ratio, and insertion loss (in dB) at the input of the TL?

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2. If the phase velocity of a TL 0.69c, what is the relative permittivity of the  dielectric assuming it is nonmagnetic? 3. We need a parallel plate TL (assume lossless) with a characteristic  impedance of 50  . Find the w/h ratio using a dielectric with  ε r  = 2.1. What  is  ε eff  = for this TL w/h ratio?   4. A cordless phone has 10 operating channels ranging from 989.90 MHz,  998.91 MHz, 998.92 MHz… up to 998.99 MHz.  (We switch from one
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## This note was uploaded on 01/31/2012 for the course EE 4002 taught by Professor Scalzo during the Fall '06 term at LSU.

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RF test 1 - Name:_ SSN: _ EE 40022 Test # 1 Spring 2003 1....

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