lec1 - EE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture...

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Unformatted text preview: EE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture Notes for A-term 2003 LECTURE 1 Prof. R. Ludwig epartment of Electrical and Computer Engineering Worcester Polytechnic Institute Worcester, MA copyright 2003, R. Ludwig opyright, 1998 R. Ludwig EE3113_L1 2 EE 3113: Lecture 1 Importance of RF circuit design wireless communications (explosive growth of cell phones) global positioning systems (GPS) computer engineering (bus systems, CPU, peripherals exceeding 1 GHz) At high frequency all digital circuits become distributed analog systems Dr. R. Carley, IC_Mechanics Why this course??? lumped circuit representation no longer applies! EE3113_L1 3 What do we mean by going from lumped to distributed theory? E x a m p l e : INDUCTOR Low-frequency (lumped) L j R Z + = High-frequency Z = ? EE3113_L1 4 Current and voltage vary spatially over the component size Upper MHz to GHz range-1-0.5 0.5 1 x-1-0.5 0.5 1 y 2 4 6 z-1-0.5 0.5 1 x E (or V) and H (or I) fields EE3113_L1...
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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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lec1 - EE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture...

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