Two novel negative impedance converters for a UHF RFID antenna

N. Pelin M.H. Salem; Edip Niver

doi:10.1109/APS.2012.6348826

Two novel negative impedance converters for a UHF RFID antenna

N. Pelin M.H. Salem, Edip Niver

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Novel designs of two different negative impedance converter (NIC) circuits, one is employing bipolar junction transistors (BJTs) and the other is employing junction field effect transistors (JFETs), operating in ultra-high frequency (UHF) band are investigated. The circuits are designed for passive radio-frequency identification (RFID) tag antennas to achieve better matching characteristics. A microstrip dipole antenna with an integrated negative impedance converter designed to cancel out the input capacitance of the antenna at the resonance frequency is designed, simulated, fabricated and measured. Obtained simulation results are compared to those of the same antenna without the NIC circuit and the improvement in operation bandwidth and input reflection coefficient is observed.

Original language	English (US)
Title of host publication	2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781467304627
DOIs	https://doi.org/10.1109/APS.2012.6348826
State	Published - 2012
Event	Joint 2012 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, APSURSI 2012 - Chicago, IL, United States Duration: Jul 8 2012 → Jul 14 2012

Publication series

Name	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
ISSN (Print)	1522-3965

Other

Other	Joint 2012 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, APSURSI 2012
Country/Territory	United States
City	Chicago, IL
Period	7/8/12 → 7/14/12

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/APS.2012.6348826

Cite this

Salem, N. P. M. H., & Niver, E. (2012). Two novel negative impedance converters for a UHF RFID antenna. In 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings Article 6348826 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APS.2012.6348826

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title = "Two novel negative impedance converters for a UHF RFID antenna",

abstract = "Novel designs of two different negative impedance converter (NIC) circuits, one is employing bipolar junction transistors (BJTs) and the other is employing junction field effect transistors (JFETs), operating in ultra-high frequency (UHF) band are investigated. The circuits are designed for passive radio-frequency identification (RFID) tag antennas to achieve better matching characteristics. A microstrip dipole antenna with an integrated negative impedance converter designed to cancel out the input capacitance of the antenna at the resonance frequency is designed, simulated, fabricated and measured. Obtained simulation results are compared to those of the same antenna without the NIC circuit and the improvement in operation bandwidth and input reflection coefficient is observed.",

author = "Salem, {N. Pelin M.H.} and Edip Niver",

year = "2012",

doi = "10.1109/APS.2012.6348826",

language = "English (US)",

isbn = "9781467304627",

series = "IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings",

address = "United States",

note = "Joint 2012 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, APSURSI 2012 ; Conference date: 08-07-2012 Through 14-07-2012",

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Salem, NPMH & Niver, E 2012, Two novel negative impedance converters for a UHF RFID antenna. in 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings., 6348826, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), Institute of Electrical and Electronics Engineers Inc., Joint 2012 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, APSURSI 2012, Chicago, IL, United States, 7/8/12. https://doi.org/10.1109/APS.2012.6348826

Two novel negative impedance converters for a UHF RFID antenna. / Salem, N. Pelin M.H.; Niver, Edip.
2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2012. 6348826 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - Novel designs of two different negative impedance converter (NIC) circuits, one is employing bipolar junction transistors (BJTs) and the other is employing junction field effect transistors (JFETs), operating in ultra-high frequency (UHF) band are investigated. The circuits are designed for passive radio-frequency identification (RFID) tag antennas to achieve better matching characteristics. A microstrip dipole antenna with an integrated negative impedance converter designed to cancel out the input capacitance of the antenna at the resonance frequency is designed, simulated, fabricated and measured. Obtained simulation results are compared to those of the same antenna without the NIC circuit and the improvement in operation bandwidth and input reflection coefficient is observed.

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Two novel negative impedance converters for a UHF RFID antenna

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