cst를이용한 uhf rfid tag antenna...
TRANSCRIPT
![Page 2: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/2.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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다양한 형태의 RFID tag
![Page 3: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/3.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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일반적인 RFID tag의 등가회로 및 Conjugate Matching
![Page 4: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/4.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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Loop+Dipole 형태의 RFID tag의 등가회로 및 Conjugate Matching
![Page 5: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/5.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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사용기판 정보
FR-4
두께 1mm
금속두께 35um
Permittivity (Er) 4.6
loss tangent (σ) 0.015
Tag chip 정보
ALIEN HiggsTM-3
Equivalent input parallel resistance 1500 Ohms
Equivalent input parallel capacitance 0.85 pF
Equivalent input impedance 27.41-200.9j
![Page 6: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/6.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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35mm
70mm
6mm
Loop+Dipole 형태의 RFID tag 예시
![Page 7: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/7.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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S11 측정
![Page 8: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/8.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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Smith Chart
![Page 9: CST를이용한 UHF RFID tag Antenna 설계rfss.kaist.ac.kr/lec/antenna_engineering/UHF_RFID_설계.pdf · 2011-05-03 · RFSS Lab. Seminar Won-Seok Lee 2011. 04. 28 wslee@kaist.ac.kr](https://reader030.vdocuments.mx/reader030/viewer/2022040719/5e2966787529d652be030830/html5/thumbnails/9.jpg)
Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology
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방사패턴 측정