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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2018³â Ãá°èÇмú´ëȸ

2018³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) UHF RFID ¹× ´ë¿ª¿ë ÁØ-¾ß±â ¾ÈÅ׳ª
¿µ¹®Á¦¸ñ(English Title) Quasi-Yagi Antenna for UHF RFID and GNSS Bands
ÀúÀÚ(Author) ÀÌÁ¾ÀÍ   ±è°Ç±Õ   ¿©ÁØÈ£   Jong-Ig Lee   Gun-Kyun Kim   Junho Yeo  
¿ø¹®¼ö·Ïó(Citation) VOL 22 NO. 01 PP. 0056 ~ 0056 (2018. 05)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â UHF RFID(902-928 MHz)¿Í GNSS(1,164-1,605 MHz)¸¦ Æ÷ÇÔÇÏ´Â ±¤´ë¿ª¿ë ÁØ-¾ß±â(quasi-Yagi) ¾ÈÅ׳ª¸¦ ¼³°è ¹æ¹ý¿¡ ´ëÇØ ¿¬±¸ÇÏ¿´´Ù. Á¦¾ÈµÈ ¾ÈÅ׳ª´Â 3¼ÒÀÚ(´ÙÀÌÆú, ¹Ý»ç±â, µµÆıâ)·Î ±¸¼ºµÇ°í, ÄÚÇ÷¡³Ê µµÆÄ°ü(coplanar waveguide)À¸·Î ±ÞÀüµÇ¸ç, ¹ë·±À» ³»ÀåÇÏ°í ´ÙÀÌÆú°ú ¹Ý»ç±âÀÇ ³¡ºÎºÐÀ» Á¢Àº ¼ÒÇü ¾ÈÅ׳ªÀÌ´Ù. µµÆı⸦ ´ÙÀÌÆú¿¡ ±ÙÁ¢ÇÑ ¿µ¿ª¿¡ µÎ°í Ĩ Ä¿ÆнÃÅ͸¦ ¾ÈÅ׳ª¿¡ ÀåÇÏÇÏ¿© ±¤´ë¿ª ÀÓÇÇ´ø½º Á¤ÇÕƯ¼ºÀ» ¾ò¾ú´Ù. ½Ã¹Ä·¹À̼ÇÀ» ÅëÇØ ¼³°èµÈ ±¤´ë¿ª ¾ÈÅ׳ª¸¦ 0.8mmµÎ²²ÀÇ FR4 ±â°ü¿¡ Á¦ÀÛÇÏ°í, ¾ÈÅ׳ª Ư¼ºÀ» ½ÇÇèÇÑ °á°úµéÀÌ ½Ã¹Ä·¹À̼ǰú Àß ÀÏÄ¡ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
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(English Abstract)
In this paper, we studied a design method for a quasi-Yagi antenna operating over a broad bandwidth covering the UHF RFID(902-928 MHz) and GNSS(1,164-1.605 MHz). The proposed antenna is composed of three elements(dipole, reflector, and director) and fed by a coplanar waveguide. To reduce its size, a balun is integrated inside the antenna, and the ends of both the dipole and reflector are bent. Broadband impedance matching was obtained by placing the director near to the dipole and loading a chip capacitor inside the antenna. The antenna, designed through simulations, was fabricated on an FR4 substrate with 0.8 mm thickness. The experiment results for the antenna characteristics agree very well with the simulation.
Å°¿öµå(Keyword) quasi-Yagi antenna   RFID antenna   GNSS antenna   CPW-fed antenna   broadband antennae   planar substrate   band stop filter  
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