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

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21 3.1 Antenna Model-1 Antenna Model-1 is a simple, on-dielectric, (214) dipole model realized using Marchandbalun with λ/4-space between the edges of dielectric and arms of dipole as shown in Figure 3.1. Antenna's resonant frequency is designed at 915 MHz with minimum S i I realized at resonance frequency and notch deepness of —10.11 dB as in Figure 3.2. Figure 3-2 The plot of log I S i i I versus the frequency
22 The antenna impedance at resonance frequency is (94.24-j*6.94) Ω (cf. Figure 3.3). The radiation pattern of Antenna Model-1 can be seen in Figure 3.4, below: Figure 3.3 HFSS Antenna Impedance Report for Antenna Model-1. Figure 3-4 Radiation Patterns for Antenna Model-1.
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 10 and 11: TABLE OF CONTENTS Chapter Page 1 IN
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 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-

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

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