EE3113_A2009_L20

EE3113_A2009_L20 - ECE3113_L20 4 MN strategy • Pick an...

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ECE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture Notes for A-term 2009 LECTURE 20 Prof. R. Ludwig Department of Electrical and Computer Engineering Worcester Polytechnic Institute Worcester, MA 01609 copyright © 2009, R. Ludwig Copyright, 1998 © R. Ludwig
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ECE3113_L20 2 Objectives • What type of 2-elements matching networks exist? • What are forbidden regions? • How are the impedance transformations accomplished?
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ECE3113_L20 3 Matching Networks • MNs are critical for at least two critical reasons – maximize power transfer: – minimize • Primary goal of a MN is to achieve 0 in ) | | 1 ( 2 in i r i t P P P P | | 1 | | 1 in in SWR
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Unformatted text preview: ECE3113_L20 4 MN strategy • Pick an appropriate two-element MN for which matching is possible (based on a given load impedance or S-parameter) • find the L, C values from the ZY Smith Chart • convert discrete values into equivalent microstriplines ECE3113_L20 5 Region of matching for shunt L, series C matching network ECE3113_L20 6 Region of matching for series C shunt L matching network ECE3113_L20 7 Region of matching for series L shunt C matching network ECE3113_L20 8 Region of matching for shunt C and series L matching network...
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This note was uploaded on 10/13/2009 for the course ECE 3113 taught by Professor Ludwig during the Spring '09 term at WPI.

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EE3113_A2009_L20 - ECE3113_L20 4 MN strategy • Pick an...

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