Non-foster matching of an RFID antenna - New Jersey Institute of ...

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TABLE OF CONTENTS Chapter Page 1 INTRODUCTION 1 1.1 Radio-Frequency Identification Systems and Applications 3 1.1.1 Radio Frequency Identification Systems 3 1.1.2 Radio Frequency Identification Applications 6 1.2 Passive Tags 7 1.3 Active Tags 9 1.4 Importance of the Antenna 11 1.5 Impedance Matching Techniques 12 1.5.1 BALUN 12 1.5.2 Negative Impedance Converter 13 1.6 Range Extension 14 2 NEGATIVE IMPEDANCE CONVERTER 16 2.1 Introduction 16 2.2 Non-Foster Matching 18 2.3 Two-MOSFET Negative Impedance Converter Model 19 3 PROPOSED RFID ANTENNAS 20 3.1 Antenna Model-1 21 3.2 Antenna Model-2 23 3.3 Antenna Model-3 25 3.4 Antenna Model-4 28 vii
Chapter TABLE OF CONTENTS (Continued) Page 4 IMPLEMENTATION AND EXPERIMENTAL RESULTS 31 4.1 Antenna Model-1 with and without Integrated NIC 31 4.1.1 Antenna Model-1 without Integrated NIC 31 4.1.2 Antenna Model-1 with Integrated NIC 33 4.2 Antenna Model-2 with and without Integrated NIC 34 4.2.1 Antenna Model-2 without Integrated NIC 34 4.2.2 Antenna Model-2 with Integrated MC 35 5 CONCLUSIONS 38 APPENDIX A - MOSFET PSPICE MODELS 39 APPENDIX B — CIRCUIT SIMULATION SOFTWARE 40 APPENDIX C — ELECTROMAGNETIC SIMULATION SOFTWARE 42 APPENDIX D — PRINTED CIRCUIT BOARD DESIGN SOFTWARE 45 REFERENCES 49 viii
Page 1 and 2: Copyright Warning & Restrictions Th
Page 3 and 4: ABSTRACT NON-FOSTER MATCHING OF AN
Page 6 and 7: APPROVAL PAGE NON-FOSTER MATCHING O
Page 8 and 9: To my beloved family, teachers and
Page 12 and 13: LIST OF FIGURES Figure Page 1.1 RFI
Page 14 and 15: CHAPTER 1 INTRODUCTION Radio Freque
Page 16 and 17: 3 passive tags to be compatible wit
Page 18 and 19: 5 Figure 1.2 shows the time domain
Page 20 and 21: 7 railroad at each previously defme
Page 22 and 23: 9 proportional to the tag's operati
Page 24 and 25: 11 • Antenna: This can be in the
Page 26 and 27: 13 Balun is a type of electrical tr
Page 28 and 29: 15 reader's antenna aperture, and t
Page 30 and 31: 17 radiation resistance. A frequenc
Page 32 and 33: 19 be driven into saturation by the
Page 34 and 35: 21 3.1 Antenna Model-1 Antenna Mode
Page 36 and 37: 23 3.2 Antenna Model-2 Antenna Mode
Page 38 and 39: 25 Figure 3.8 Radiation Patterns fo
Page 40 and 41: 27 Figure 3.11 HFSS Antenna Impedan
Page 42 and 43: 29 Antenna impedance at resonance f
Page 44 and 45: CHAPTER 4 IMPLEMENTATION AND EXPERI
Page 46 and 47: 33 4.1.2 Antenna Model-1 with Integ
Page 48 and 49: 35 equal to -19.374 dB. The produce
Page 50 and 51: 37 Figure 4.11 Smith Chart of Anten
Page 52 and 53: APPENDIX A MOSFET PSPICE MODELS Si1
Page 54 and 55: 41 PSpice 9.1 Student Version, ORCA
Page 56 and 57: 43 Each method has its own advantag
Page 58 and 59: APPENDIX D PRINTED CIRCUIT BOARD DE
Page 60 and 61:
47 • On 2003-01-01 ManiaBarco Gmb
Page 62 and 63:
REFERENCES 1. Wikipedia.org, Radio-
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