Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance
Amplitude and phase balances of two types of microstrip-(MS-) to-coplanar stripline (CPS) baluns have been analyzed through simulations and measurements, and their effects on broadband antenna performance are investigated. The impedance bandwidth of the balun determined by a back-to-back configurati...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2013/651040 |
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| author | Dong Sik Woo Young-Ki Cho Kang Wook Kim |
| author_facet | Dong Sik Woo Young-Ki Cho Kang Wook Kim |
| author_sort | Dong Sik Woo |
| collection | DOAJ |
| description | Amplitude and phase balances of two types of microstrip-(MS-) to-coplanar stripline (CPS) baluns have been analyzed through simulations and measurements, and their effects on broadband antenna performance are investigated. The impedance bandwidth of the balun determined by a back-to-back configuration can sometimes overestimate the balun operating bandwidth. With the conventional balun with a 180° phase delay line, it is observed that the balun balance over the operating frequencies becomes much more improved as the CPS length increases to over 0.1 λg. As compared with the conventional balun, the proposed MS-to-CPS balun demonstrated very wideband performance from 5 to over 20 GHz. With the proposed balun, amplitude and phase imbalances are within 1 dB and ±5°, respectively. Effects of the balun imbalance on overall broadband antenna performance are also discussed with a quasi-Yagi antenna and a narrow beamwidth tapered slot antenna (TSA). |
| format | Article |
| id | doaj-art-6b6d4b33e0924e6abe534239cc6eac90 |
| institution | Kabale University |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-6b6d4b33e0924e6abe534239cc6eac902025-02-03T05:44:22ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772013-01-01201310.1155/2013/651040651040Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna PerformanceDong Sik Woo0Young-Ki Cho1Kang Wook Kim2The School of Electrical Engineering and Computer Science, Kyungpook National University, Sankyuk-dong Buk-gu, Daegu 702-701, Republic of KoreaThe School of Electrical Engineering and Computer Science, Kyungpook National University, Sankyuk-dong Buk-gu, Daegu 702-701, Republic of KoreaThe School of Electrical Engineering and Computer Science, Kyungpook National University, Sankyuk-dong Buk-gu, Daegu 702-701, Republic of KoreaAmplitude and phase balances of two types of microstrip-(MS-) to-coplanar stripline (CPS) baluns have been analyzed through simulations and measurements, and their effects on broadband antenna performance are investigated. The impedance bandwidth of the balun determined by a back-to-back configuration can sometimes overestimate the balun operating bandwidth. With the conventional balun with a 180° phase delay line, it is observed that the balun balance over the operating frequencies becomes much more improved as the CPS length increases to over 0.1 λg. As compared with the conventional balun, the proposed MS-to-CPS balun demonstrated very wideband performance from 5 to over 20 GHz. With the proposed balun, amplitude and phase imbalances are within 1 dB and ±5°, respectively. Effects of the balun imbalance on overall broadband antenna performance are also discussed with a quasi-Yagi antenna and a narrow beamwidth tapered slot antenna (TSA).http://dx.doi.org/10.1155/2013/651040 |
| spellingShingle | Dong Sik Woo Young-Ki Cho Kang Wook Kim Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance International Journal of Antennas and Propagation |
| title | Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance |
| title_full | Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance |
| title_fullStr | Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance |
| title_full_unstemmed | Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance |
| title_short | Balance Analysis of Microstrip-to-CPS Baluns and Its Effects on Broadband Antenna Performance |
| title_sort | balance analysis of microstrip to cps baluns and its effects on broadband antenna performance |
| url | http://dx.doi.org/10.1155/2013/651040 |
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