EE3113_A2009_L1

EE3113_A2009_L1 - ECE 3113 INTRODUCTION TO RF CIRCUIT...

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ECE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture Notes for A-term 2009 LECTURE 1 Prof. R. Ludwig Department of Electrical and Computer Engineering Worcester Polytechnic Institute Worcester, MA copyright © 2009, R. Ludwig Copyright, 1998 © R. Ludwig
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ECE3113_L1 2 Objectives • Motivation – why this course? • Organization/HWs/Exams • What differentiates low from high frequency circuits?
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ECE3113_L1 3 ECE 3113: Lecture 1 • Importance of RF circuit design – Wireless/wirebased communication technologies (explosive growth in multi-band, multi-protocol transceivers and WLAN) – global positioning systems (GPS) – ASIC/SoC designs (bus systems, digital logic exceeding 3GHz clock speeds) Why this course?? – lumped circuit representation no longer applies!
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ECE3113_L1 4 What do we mean by going from lumped to distributed theory? • Example: INDUCTOR Low-frequency (lumped) L j R Z High-frequency Z = ?
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ECE3113_L1 5 Case in point: bondwires of RF power transistors BLF4G22-100 is a silicon LDMOS
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EE3113_A2009_L1 - ECE 3113 INTRODUCTION TO RF CIRCUIT...

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