ÆÐÄ¡ ¾ÈÅ׳ª µ¿ÀÛ¿ø¸®

 

1. ÆÐÄ¡ ¾ÈÅ׳ª ±âÃÊ

¤· ±¸Á¶

- »ç°¢Çü, ¿øÇü, Ÿ¿øÇü, »ï°¢Çü µîÀÇ ±Ý¼ÓÁ¶°¢(ÆÐÄ¡)¸¦ Á¢Áö¸é(³ÐÀº ±Ý¼ÓÆÇ) À§¿¡ ÀÏÁ¤ÇÑ °£°Ý(ÆÐÄ¡ Å©±âº¸´Ù ÈξÀ ÀÛÀ½) ¼³Ä¡

- ÆÐÄ¡¸¦ ÀûÀýÇÑ ¹æ¹ýÀ¸·Î ¿©±â(ÇÁ·Îºê ±ÞÀü, ¿ë·®¼º °áÇÕÀ» ÀÌ¿ëÇÑ ±ÞÁ¢, ½½·Ô°áÇÕ¿¡ ÀÇÇÑ ±ÞÀü)Çϸé ƯÁ¤ ÁÖÆļö¿¡¼­ ÆÐÄ¡¿Í Á¢Áö¸éÀÌ ¹æ»ç°¡ µÇ´Â °øÁø±â Çü¼º

 

¤· Ư¡

- °øÁøÇü ¾ÈÅ׳ª

- ¼öÀÛ¾÷ ¶Ç´Â Àμâȸ·Î Á¦ÀÛÀåºñ·Î ½±°Ô Á¦ÀÛ

- °æ¹ÚÇü ¾ÈÅ׳ª

- ´ÜÀÏ Ç¥ÁØ ÆÐÄ¡´Â Çù´ë¿ªÀ̳ª ½½·Ô°áÇÕ, ÆÐÄ¡ ÀûÃþ µî ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î ±¤´ë¿ªÈ­ °¡´É

- °íÀ¯ÀüÀ² ±âÆÇÀÇ »ç¿ëÀ¸·Î ¾ÈÅ׳ª ÃʼÒÇüÈ­ °¡´É. ¿¹: GPS¿ë ¼¼¶ô¹Í ÆÐÄ¡

 

2. ÆÐÄ¡ ¾ÈÅ׳ª ±âº» ±¸Á¶

¤· ÆÐÄ¡ ¾ÈÅ׳ª ±¸¼ºÇ°

http://lib.convdocs.org/pars_docs/refs/121/120296/120296_html_m484f76f2.png

- Patch = ¹æ»ç¼ÒÀÚ(¹Ú¸·µµÃ¼)

     L = ÆÐÄ¡±æÀÌ(°øÁø ÁÖÆļö °áÁ¤), À§ ±×¸²¿¡¼­ ÆÐÄ¡(û»ö »ç°¢Çü)ÀÇ °¡·Î

     W = ÆÐÄ¡Æø(¹æ»çÀúÇ×°ú ÀÌµæ °áÁ¤), À§ ±×¸²¿¡¼­ ÆÐÄ¡ÀÇ ¼¼·Î

- Dielectric substrate = Àú¼Õ½Ç ±âÆÇ(Çöó½ºÆ½ ¶Ç´Â ¼¼¶ó¹Í Àç·á) ¶Ç´Â °ø±âÃþ

     h = ±âÆÇÀÇ µÎ²². 0.25, 0.508, 0.787, 1.02, 1.52mm »ç¿ë

      = ±âÆÇÀÇ À¯Àü»ó¼ö. 1.0(°ø±â), 2.2, 2.5, 3.0, 3.5, 4.0, 4.3, 4.5, 9.8, 20, 45, 90 µî »ç¿ë

      = ±âÆÇÀÇ ¼Õ½ÇźÁ¨Æ®. 0.02, 0.002, 0.0002 µî »ç¿ë

- Conducting ground plane = ¾ÈÅ׳ªÀÇ Á¢Áö¸é(¹Ú¸·µµÃ¼)

     t = Á¢Áö¸é ±Ý¼Ó°ú ÆÐÄ¡ ±Ý¼Ó µÎ²². º¸Åë 0.017, 0.034, 0.068mm »ç¿ë

- Feeder = ÆÐÄ¡ ±ÞÀü±¸Á¶

     Coaxial feeding = µ¿Ã༱ ±ÞÀü±¸Á¶. ³»ºÎµµÃ¼´Â ÆÐÄ¡¿Í ¿¬°á. ¿ÜºÎµµÃ¼´Â Á¢Áö¸é°ú ¿¬°á

 

¤· ¿øÇüÆÐÄ¡

http://projectus.freehost7.com/Microstrip-patch-antenna-design/Microstrip%20Antenna%20(final)_files/image017.jpg

 

3. ÆÐÄ¡ ¾ÈÅ׳ª µ¿ÀÛ¿ø¸®

¤· ´ÙÀÌÆú°ú ÆÐÄ¡ÀÇ ºñ±³

comparison

 

- ÆÐÄ¡Ç¥¸é¿¡¼­ÀÇ Àü·ùºÐÆ÷: °¡·Î¹æÇâ ¸ðµå¹øÈ£ 1, ¼¼·Î¹æÇâ ¸ðµå¹øÈ£ 0

 

 

- ÆÐÄ¡ »óÀÇ Àü±âÀå ºÐÆ÷

http://www.microwaves101.com/encyclopedia/images/Antenna/microstrip/Side%20view.jpg

 

¤· ÆÐÄ¡ ¾ÈÅ׳ª ¼³°è°ø½Ä

1. h (±âÆÇ µÎ²²) << W (ÆÐÄ¡ Æø)ÀÎ °æ¿ì

http://www.raymaps.com/wp-content/uploads/2012/02/Path-Antenna-Design-Equations2.jpg

fr : °øÁøÁÖÆļö

v0 = 3e8 = ±¤¼Ó

 

2. ±âÆÇ µÎ²²°¡ µÎ²¨¿î °æ¿ì: GPS ¼¼¶ó¹Í ÆÐÄ¡

      

 

 

 

4. ÆÐÄ¡ ±ÞÀü¹æ¹ý

¤· Contact feeding (Á¢ÃË ±ÞÀü)

- Coaxial probe (µ¿Ã༱ ÇÁ·Îºê) ±ÞÀü,

- Æø(W)ÀÇ Á߽ɼ±À» µû¶ó ÆÐÄ¡ Áß½ÉÀ¸·Î ±ÞÀüÁ¡ÀÌ À̵¿ÇÒ ¼ö·Ï ÀÔ·Â ÀÓÇÇ´ø½º °¨¼Ò

- ±ÞÀüÁ¡ÀÌ ÆÐÄ¡ °¡ÀåÀÚ¸®(edge)¿¡ ÀÖÀ» ¶§ ÀÔ·Â ÀÓÇÇ´ø½º°¡ ³ôÀ½ (100-300¥Ø)

- ÆÐÄ¡ »óÀÇ ±ÞÀüÁ¡À» ÀûÀýÈ÷ ÇÏ¿© ÀÔ·Â ÀÓÇÇ´ø½º°¡ µ¿Ã༱ÀÇ Æ¯¼º ÀÓÇÇ´ø½º¿Í µ¿ÀÏÇÑ 50¥ØÀÌ µÇ°Ô ÇÑ´Ù.

http://www-antenna.ee.titech.ac.jp/~hira/hobby/edu/em/antenna/patch/rect/rect_patch.gif

- Microstrip quarter-wave transformer feeding: 1/4ÆÄÀå ÀÓÇÇ´ø½º º¯È¯±â »ç¿ë

      

 

http://www.intechopen.com/source/html/47290/media/image7.pnghttp://web.ing.unimo.it/wiki/images/7/7e/MeMiTec-8GHz_Patch_antenna.jpg 

 

http://www.microwavejournal.com/legacy_assets/images/0501m33_fig07.jpg

 

- Microstrip inset feeding

http://projectus.freehost7.com/Microstrip-patch-antenna-design/Microstrip%20Antenna%20(final)_files/image014.png

https://m1.behance.net/rendition/modules/31637217/disp/8322509a5e3f7de29050207836c11a4b.JPG

 

¤· Non-contact feeding (ºñÁ¢ÃË ±ÞÀü)

- L-probe feeding

http://www.qsl.net/va3iul/Antenna/Printed_and_Microstrip_Antennas/Suspended_patch_antenna_fed_by_an_L-shaped.gif 

- Edge-gap coaxial probe feeding

 

 

- Edge-gap microstrip feeding

coupled or indirect inset feed

 

- Electromagnetic coupling (or proximity coupling)

http://www.scielo.br/img/revistas/jmoea/v9n2/a03f2.jpg

The proximity-coupled transparent microstrip patch antenna on an amorphous silicon glass solar module

 

- Probe-gap feeding

 

- Probe-capacitive pad feeding

- Aperture-coupled

     - Single slot

     http://images.elektroda.net/41_1334431092.jpg    http://www.antenna-theory.com/antennas/patches/patch8.jpg   

     - H-slot

     http://www.microwavejournal.com/legacy_assets/images/0409m30_fig08.jpg

 

5. ÆÐÄ¡ ¹æ»çÆÐÅÏ

- Àü°è¸é: ÆÐÄ¡ ±æÀÌ ¹æÇâ cut plane

- ÀÚ°è¸é: ÆÐÄ¡ Æø ¹æÇâ cut plane

 

 

±×¸²: »ç°¢Æò ÆÐÄ¡ÀÇ ¹æ»çÆÐÅÏ. ÁÂ: Àü°è¸é ÆÐÅÍ, ¿ì: ÀÚ°è¸é ÆÐÅÏ

     (û»ö: À¯ÇÑ Á¢ÁöÆÇ, Àû»ö: ¹«ÇÑ Á¢ÁöÆÇ)

 

 

6. ÆÐÄ¡ À̵æ

- »ç°¢Çü ÆÐÄ¡ÀÇ À̵æÀº Åë»ó 6-8dBÀÇ °ªÀ» °¡Áü.

 

7. ¿øÆíÆÄ ÆÐÄ¡

¤· ÀÌÁ¡ ±ÞÀü: µÎ Á¡¿¡¼­ ±ÞÀü. µÎ ±ÞÀü½ÅÈ£ÀÇ À§»óÂ÷ ¡¾90¡Æ

 

   http://www.microwavejournal.com/legacy_assets/images/5M30F8.jpg

 

¤· ÀÏÁ¡ ±ÞÀü

- 2°³ ´ë°¢ ¸ð¼­¸®¸¦ Á¦°ÅÇÏ¸é µÎ ´ë°¢¼± ¹æÇâ Àü·ùÀÇ À§»óÂ÷°¡ ¡¾90¡Æ°¡ µÇ°Ô ÇÒ ¼ö ÀÖ´Ù.

- Ãàºñ´ë¿ªÆø(AR < 3dB) ¸Å¿ì Çù¼Ò

- ¾Æ·¡ ±×¸²Àº ¿ì¿øÆíÆÄ ÆÐÄ¡

 

 

8. ÆÐÄ¡ ´ë¿ªÆø

- ¹Ý»ç°è¼ö°¡ -10dB ÀÌÇÏÀÎ ÁÖÆļö ¹üÀ§

- À¯ÀüÀ²ÀÌ ³ôÀ» ¼ö·Ï ÆÐÄ¡´Â ÀÛ¾ÆÁö°í ´ë¿ªÆøÀº °¨¼Ò

- ±âÆÇ µÎ²²°¡ Ŭ¼ö·Ï ±¤´ë¿ª

 

 

9. ÆÐÄ¡ ¾ÈÅ׳ª È¿À²

- ÆÐÄ¡ ¾ÈÅ׳ª ¼Õ½Ç: µµÃ¼¿¡ ÀÇÇÑ ¼Õ½Ç, À¯Àüü¿¡ ÀÇÇÑ ¼Õ½Ç, Ç¥¸éÆÄ(±âÆÇ À¯Àüü¸¦ µû¶ó ÁøÇàÇÏ´Â ÆÄ)¿¡ ÀÇÇÑ ¼Õ½Ç

 

- ÆÐÄ¡ ¾ÈÅ׳ª È¿À² °ø½Ä

    

     Pr = ¾ÈÅ׳ª¿¡ ÀÇÇØ ¹æ»çµÈ Àü·Â

     Pc = ¾ÈÅ׳ª¿¡ »ç¿ëµÈ µµÃ¼¿¡¼­ ¼Ò¸ðµÇ´Â ¼Õ½ÇÀü·Â

     Pd = ¾ÈÅ׳ª¿¡ »ç¿ëµÈ À¯Àüü¿¡¼­ ¼Ò¸ðµÇ´Â ¼Õ½ÇÀü·Â

     Psw = Ç¥¸éÆÄ ÇüÅ·Π¼Õ½ÇµÇ´Â Àý·Â

 

- ±âÆÇ µÎ²²°¡ Áõ°¡ÇÒ¼ö·Ï Ç¥¸éÆÄ°¡ Áõ°¡ÇÏ¿© È¿À² °¨¼Ò

   

 

10. ÆÐÄ¡ ¾ÈÅ׳ª »çÁø

- ´ÜÀϼÒÀÚ

Microstrip Patch Antenna  http://www.wipl-d.com/applications/Microstrip_Patch_files/image006.jpg

 

http://www.mcv-microwave.com/images/large/patch-antenna.jpg

 

- ÆÐÄ¡ ¹è¿­ ¾ÈÅ׳ª

http://www.wa5vjb.com/images/PatchAntennas.JPG

 

- ¹Ì»çÀÏ/·ÎÄÏ Ç¥¸é ÀåÂø¿ë wrap-around patch antenna

http://www.haigh-farr.com/productpics/dualsbandwa.gif   http://spaceforest.pl/wp-content/uploads/2016/10/wrap-around_antenna.jpg