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 Nowadays the research on the electromagnetics and high frequency circuits is actively performed because of the increasing demands on the miniaturized, light-weighted, and high-quality circuits for wireless and mobile communications. Also, the research approached from the electromagnetic point of view is required to find out the effects of the interconnecting lines/packaging on the very large scale integrated circuits performance with high speed signals since the mutual interference between the lines becomes critical to low-voltage/low-power circuits' noise margin. Therefore, the main research areas of our laboratory consist of two parts. One is the analysis of the electromagnetic wave and the other is the microwave/RF circuits analysis/design.
  In the area of electromagnetic waves, the research on the fast and precise analysis algorithms is pursued. Also we are interested in the analysis and design methods of antennas which are apt to the variable usage, the mutual interference between transmission lines in the complicate circuits, and the microwave passive elements(filter etc.) development through the analysis of electromagnetic wave.
  In the area of RF/microwave circuit design, we have emphasis on development of high-performance circuits through the profound consideration of the operation principles of RF circuits(power amplifier, oscillator, frequency mixer and duplexer etc.) used in the RF systems of PCS, wireless LAN and, satellite communication. Also the design of MMIC is included in our research areas.

  ÃÖ±Ù µé¾î ¹«¼± ¹× À̵¿ Åë½Å ºÐ¾ß¿¡¼­ ¿ä±¸µÇ´Â ¼ÒÇü, °æ·®ÀÇ °í¼º´É ȸ·Î¸¦ À§ÇÑ ÀüÀÚ±â ÇØ¼® ¹× °íÁÖÆÄ È¸·Î¿¡ °üÇÑ ¿¬±¸°¡ Ȱ¹ßÈ÷ ÁøÇàµÇ°í ÀÖ´Ù. ¶ÇÇÑ, ÃʰíÁýÀû ȸ·Î µî¿¡¼­ÀÇ interconnection°ú ÆÐŰ¡À¸·Î ÀÎÇÑ »óÈ£ °£¼·À» ÀüÀÚ±âÀû °üÁ¡¿¡¼­ Á¤È®ÇÏ°Ô ±Ô¸íÇÏ´Â ¿¬±¸µµ ÁøÇàµÇ°í Àִµ¥ ÀÌ´Â ÀÌ·¯ÇÑ »óÈ£ °£¼·ÀÌ ÀâÀ½ÀÇ ¿øÀÎÀ¸·Î ÀÛ¿ëÇÏ¿© ÀúÀü¾Ð, ÀúÀü·ÂÀ¸·Î µ¿ÀÛÇϴ ȸ·Î¿¡¼­ Ä¡¸íÀûÀÎ ¿µÇâÀ» ¹ÌÄ¥ ¼ö Àֱ⠶§¹®ÀÌ´Ù. µû¶ó¼­ º» ¿¬±¸½Ç¿¡¼­´Â ÀüÀÚ±âÆÄ ÇØ¼®°ú RF/¸¶ÀÌÅ©·ÎÆÄ ȸ·ÎÀÇ ÇØ¼® ¹× ¼³°è¶ó´Â µÎ °³ÀÇ ºÐ¾ß¸¦ ÁßÁ¡ÀûÀ¸·Î ¿¬±¸Çϰí ÀÖ´Ù.
  ÀüÀÚ±âÆÄ ÇØ¼® ºÐ¾ß´Â ºü¸£°í Á¤È®ÇÑ ÇØ¼® ¾Ë°í¸®Áò¿¡ °üÇØ ¿¬±¸Çϰí, ´Ù¾çÇÑ ºÐ¾ß¿¡ »ç¿ëµÇ´Â ¾ÈÅ׳ªÀÇ ÇØ¼®°ú ¼³°è¸¦ ¼öÇàÇÑ´Ù. ¶ÇÇÑ, º¹ÀâÇÑ È¸·Î ³»¿¡¼­ÀÇ Àü¼Û¼± »çÀÌÀÇ »óÈ£ °£¼· ¹®Á¦, ÀüÀÚ±âÆÄ ÇØ¼®À» ÅëÇÑ ÃʰíÁÖÆÄ ¼öµ¿ ¼ÒÀÚ(ÇÊÅÍ µî)ÀÇ ¼³°è¿¡ °üÇØ ¿¬±¸ÇÑ´Ù.
RF/¸¶ÀÌÅ©·ÎÆÄ ȸ·Î ¿¬±¸ ºÐ¾ß´Â PCS, ¹«¼± ·£, À§¼º Åë½Å µîÀÇ RF ½Ã½ºÅÛ¿¡ »ç¿ëµÇ´Â °¢Á¾ ȸ·Î(´ëÀü·Â ÁõÆø±â, ¹ßÁø±â, Á֯ļö È¥ÇÕ±â, µàÇ÷º¼­ µî)ÀÇ µ¿ÀÛ ¿ø¸® ¹× ¼º´É »óÀÇ ÇѰ踦 ÃæºÐÈ÷ ÀÌÇØÇϰí À̸¦ ¹ÙÅÁÀ¸·Î °í¼º´ÉÀÇ È¸·Î¸¦ ¼³°èÇÏ´Â °Í¿¡ ÁßÁ¡À» µÎ°í ÀÖÀ¸¸ç, À̸¦ Hybrid ±â¼úÀ̳ª SiGe, CMOS, GaAs µîÀÇ ¹ÝµµÃ¼ ±â¼úÀ» ÅëÇØ RFIC/MMIC·Î ±¸ÇöÇÏ´Â ¿¬±¸µµ Æ÷ÇԵǾî ÀÖ´Ù.
  º» ¿¬±¸½ÇÀº 1990³â ³²»ó¿í ±³¼ö°¡ ºÎÀÓÇÑ ÀÌ·¡ ¹Ú»ç 10¸í, ¼®»ç 34¸íÀ» ¹èÃâÇÏ¿´À¸¸ç, ±¹¿Ü ÇмúÁö 56ÆíÀ» ºñ·ÔÇØ ÃÑ 210¿©ÆíÀÇ ³í¹®À» ±¹³»¿Ü¿¡ ¹ßÇ¥ÇØ ¿À°í ÀÖ´Ù. ÇöÀç ¹Ú»ç°úÁ¤ 6¸í, ¼®»ç°úÁ¤ 6¸íÀÇ ÇлýµéÀÌ ¿¬±¸¿¡ Âü¿©Çϰí ÀÖ´Ù.

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  • (06-5)UWB ±â¼úÀ» ÀÌ¿ëÇÑ Ä¸½¶Çü ³»½Ã°æÀÇ Åë½Å½Ã½ºÅÛ °³¹ß/Áö´ÉÇü¸¶ÀÌÅ©·Î½Ã½ºÅÛ°³¹ß»ç¾÷´Ü/2006.04-2007.03
  • (06-4)Â÷¼¼´ë À̵¿Åë½Å(4G)Á֯ļö È®Á¤À» À§ÇÑ ±¹Á¦µ¿ÇâºÐ¼® ¹× ±¹³» ´ëÀÀÀü·« ¿¬±¸/Á¤º¸Åë½ÅºÎ/2006.04-2006.10
  • (06-3)Â÷¼¼´ë À̵¿Åë½Å(BK21 3ÆÀ)/Á¤º¸±â¼ú»ç¾÷´Ü /2006.03-2007.02
  • (06-2)MEMS ºÎǰ¿¬±¸/¹Ð¸®¹ÌÅÍÆÄ½Å±â¼ú¿¬±¸¼¾ÅÍ/2006.03-2007.02
  • (06-1)W´ë¿ª¾ÈÅ׳ª¿¬±¸/»ï¼ºÅ»·¹½º¢ß/2006.01-2006.12
  • (05-3)SUITE Ŭ·¯½ºÅÍ ±¸Ãà/Àü·«»ê¾÷ Çõ½Å Ŭ·¯½ºÅÍ À°¼º Áö¿ø»ç¾÷/¼­¿ï´ëÇб³ »êÇÐÇù·Â´Ü/2005.12-2006.11
  • (05-2)¹«¼± ä³Î ¿¡¹Ä·¹ÀÌÅÍ °³¹ß/C&S Microwave/»ê¾÷ÀÚ¿øºÎ/2005.09-2006.08
  • (05-1)Polar transmitter¸¦ À§ÇÑ Àü·ÂÁõÆø±â ±¸Á¶¿¡ °üÇÑ ¿¬±¸/GCT Semiconductor/2005.05.01-2006.04.30
  • (04-4)Àü¹æ Ãæµ¹ ȸÇǸ¦ À§ÇÑ ·¹ÀÌ´õ ½Ã½ºÅÛ °³¹ß/ÀÚµ¿È­/2004.09-2005.07
  • (04-3)ä³Î ¿¡¹Ä·¹ÀÌÅÍ °³¹ß/C&S Microwave/»ê¾÷ÀÚ¿øºÎ/2004.09-2006.08
  • (04-2)Â÷¼¼´ë ±â°¡±Þ ÄÉÀÌºí ¼Û¼ö½Å½Ã½ºÅÛ °³¹ß/¼º±Õ°ü´ë/ETRI/2004.07-2004.11
  • (04-1)OFDM ¹æ½Ä¿¡¼­ÀÇ HPA back-off °³¼± ¹æ¾È ¿¬±¸/´º¹Ì¿¬/KT/2004.06-2004.11
  • (03-1)SiGe HBT Power Amplifier, VCO, Dual band LNA °üÇÑ ¿¬±¸/¹Ý°ø¿¬/»ï¼ºÀüÀÚ/2003.2-2004.01
  • (02-4)RF/Microwave ¹ßÁø±â ¼³°è ±â¼ú¿ë ±³À° ¸Åü °³¹ß/´º¹Ì¿¬/ICU/2002.05-2003.02
  • (02-3)µà¾ó¹êµå¿ë SiGe HBT LNA ¹× ¼ö½Å±â ±¸Á¶ ¿¬±¸/¹Ý°ø¿¬/»ï¼ºÀüÀÚ/2002.02-2003.01
  • (02-2)40GHz ´ë¿ª ºö¼ºÇü ¹è¿­ ¾ÈÅ׳ª ¼³°è¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/Çѱ¹ÀüÀÚÅë½Å¿¬±¸¿ø/2002.02-2002.10, 2003.02-2003.09
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  • (01-2)RFIC ¼öµ¿ ¹× ´Éµ¿¼ÒÀÚ ¸ðµ¨¸µ/¹Ý°ø¿¬/»ï¼ºÀüÀÚ/2001.02-2002.01
  • (01-1)77GHz Â÷·® Ãæµ¹ ¹æÁö ½Ã½ºÅÛ¿ë ¾ÈÅ׳ª ¿¬±¸/BK/LGÀ̳ëÅØ/2001.01-2001.12
  • (00-4)IMT-2000 Áß°è±â¿ë ¼±ÇüÈ­µÈ °íÃâ·Â ÁõÆø±â/´º¹Ì¿¬/ÇØ¸®ÄÄÁÖ½Äȸ»ç/2000.08-2001.01
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  • (00-2)À§¼º¹æ¼Û¼ö½Å¿ë Ku-band radial slot ¾ÈÅ׳ª °³¹ß/´º¹Ì¿¬/¼¼¾çÅë½Å/2000.03-2001.12
  • (00-1)À§»çÀ§¼º ½ÅÈ£ ¼ÛÃâ¾ÈÅ׳ª¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/Á¤¹Ð±â°è¿¬±¸¼Ò/2000.01-2000.11
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  • ¹Ð¸®¹ÌÅÍÆÄ uniplanar MMIC¿Í ¸ðµâ ±â¼ú °³¹ß/°úÇбâ¼úºÎ(NRL)/1999.09-2004.08
  • 60GHz ´ë¿ª °íÈ¿À² ¾ÈÅ׳ª ¿¬±¸/MINT/ERC/1999.03-2002.02
  • 77GHz Planar ¾ÈÅ׳ª °³¹ß¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/LGÁ¤¹Ð/1999.01-2000.10
  • IMT-2000¿ë ¼ÒÇü ÀúÀü·Â PLL Synthesizer ½ÃÁ¦Ç° °³¹ß/´º¹Ì¿¬/À¯Á¤½Ã½ºÅÛ/1999.07-2000.06
  • ¸¶ÀÌÅ©·Î½ºÆ®¸³ ¾ÈÅ׳ª¸¦ ÀÌ¿ëÇÑ ÆíÆÄ´ÙÀ̹ö½ÃƼ¿ë PCS±âÁö±¹ ¾ÈÅ׳ª °³¹ß¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/Á¤º¸Åë½ÅºÎ/1999.01-1999.10
  • ¹Ð¸®¹ÌÅÍÆÄ MMIC¼³°è¸¦ À§ÇÑ ¼öµ¿¼ÒÀÚ ¹× ÆÐŰ¡¿¡ °üÇÑ ¿¬±¸/¹Ý°ø¿¬/±³À°ºÎ/1998.12-1999.11
  • IMT-2000¿ë ¼ÒÇü, ÀúÀü·Â VCO°³¹ß/´º¹Ì¿¬/À¯Á¤½Ã½ºÅÛ/1998.07-1999.06
  • °¡ÀÔÀÚ Á¢¼Ó¸ÁÀ» À§ÇÑ SCM±¤Àü¼Û ±â¼ú¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/Çѱ¹Åë½Å/1998.02-1998.12
  • Â÷·® Ãæµ¹¹æÁö ½Ã½ºÅÛ¿ë ¹Ð¸®¹ÌÅÍÆÄ ¾ÈÅ׳ª ¿¬±¸/´º¹Ì¿¬/±¹Åä°³¹ß¿¬±¸¿ø/1998.02-1998.06
  • 77GHz ´ë¿ªÀÇ mm-wave ¾ÈÅ׳ª ¿¬±¸/´º¹Ì¿¬/LGÁ¤¹Ð/1998.01-1998.10
  • °íǰÁú RFºÎǰ¼³°è ¹× X-Band ¼ÒÇü FM-CW ·¹ÀÌ´Ù/´º¹Ì¿¬/Çö´ëÀüÀÚ/1998.01-1998.12
  • ¸¶ÀÌÅ©·Î½ºÆ®¸³ ¾ÈÅ׳ª¸¦ ÀÌ¿ëÇÑ ÆíÆÄ´ÙÀ̹ö½ÃƼ¿ë PCS±âÁö±¹ ¾ÈÅ׳ª °³¹ß¿¡ °üÇÑ ¿¬±¸/´º¹Ì¿¬/Á¤º¸Åë½Å¿¬±¸°ü¸®´Ü/1998.02-1999.01
  • µðÁöÅÐ Áö»óTV(DTTB)À» À§ÇÑ ÀüÆÄÀüÆÄ¿¡Ãø ¿¬±¸/Çѱ¹¹æ¼Û°ø»ç/1996-1997
  • 2.5GHz ´ë¿ª Àü¾ÐÁ¶Á¤ ¹ßÁø±â¿¡ °üÇÑ ¿¬±¸/½Ö½ÅÀüÀÚ/1996
  • ¹«¼± LAN¿ë Æò¸éÇü ¾ÈÅ׳ªÀÇ ¼³°è¹æ¹ý¿¡ °üÇÑ ¿¬±¸/»ï¼ºÀüÀÚ/1996
  • ¹ÝµµÃ¼ Package/¼±·ÎÀÇ ÀüÀÚ±âÀû Ư¼º ¹× ¸ðµ¨¸µ¿¡ °üÇÑ ¿¬±¸/Çö´ëÀüÀÚ»ê¾÷ÁÖ½Äȸ»ç/1995.07-1997.07
  • CPWÀü¼Û¼±·Î ¹× CPW¸¦ ÀÌ¿ëÇÑ ¸¶ÀÌÅ©·ÎÆÄ ¼öµ¿/´Éµ¿ ȸ·ÎÀÇ ÇØ¼®°ú ¼³°è¿¡ °üÇÑ ¿¬±¸/Çѱ¹°úÇÐÀç´ÜƯÁ¤±âÃÊ¿¬±¸/1995-1998
  • FDTD¸¦ ÀÌ¿ëÇÑ ÀüÀÚÆÄ ÇØ¼® ¹× ÀÀ¿ë/Á¤º¸Åë½Å¿¬±¸°ü¸®´Ü âÀDZâÃÊ¿¬±¸/1995-1998
  • CAR AudioÀÇ ÀüÀÚÆÄÀåÇØ °¨¼Ò ´ëÃ¥ ¿¬±¸/´ë¿ìÀüÀÚ/1993.10-1994.03
  • MMIC¼³°è¸¦ À§ÇÑ ¼öµ¿ ¹× ´Éµ¿¼ÒÀÚ ¸ðµ¨¸µ°ú ÃøÁ¤¿¡ °üÇÑ ¿¬±¸/¹Ý°ø¿¬/1993-1996
  • À§»ó¹è¿­À» ÀÌ¿ëÇÑ ÀüÀÚÆÄ ¹ß»ý ¹× ŽÁö¿¡ °üÇÑ ¿¬±¸/±¹¹æ°úÇבּ¸¼Ò/1992-1994
  • ¸¶ÀÌÅ©·Î/mmÆÄ ¼¼¶ó¹Í ¼ÒÀç¿¡ °üÇÑ ¿¬±¸/±¹¹æ°úÇבּ¸¼Ò/1992-1994
  • Â÷¼¼´ë ÈÞ´ëÅë½Å ±â¼ú¿¬±¸/Çѱ¹Åë½Å/1992
  • ±¤Åë½Å¿ë °í¼ÓµðÁöÅ» IC°³¹ß/Çѱ¹Åë½Å/1992
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