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(±â¼ú ´º½º, 02 Apr 2008 )

µðÁöÅÐ ºñ¼±Çü ½ÅÈ£ ó¸® ±â¼ú ºÐ¾ßÀÇ ¼±µÎ±â¾÷ÀÎ Optichron´Â ±âÀú´ë¿ª¿¡¼­ ÆÄ¿ö ÁõÆø±â (PA)·Î °¡´Â ¿ÏÀüÇÑ Àü¼Û ½ÅÈ£ üÀÎ ¾ÐÃà ¹× ¼±Çü ¼Ö·ç¼ÇÀÎ DPD-CFR-DEV-30 °³¹ß Ç÷§Æû Ãâ½Ã¸¦ ¹ßÇ¥Çß´Ù. ÀÌ Ç÷§ÆûÀº 800 MHz ~ 3.5 GHzÀÇ Á֯ļö ´ë¿ª°ú GSM, WiMAX ¹× LTE ±×¸®°í µ¶Á¡ÀûÀÎ ÇÁ·ÎÅäÄÝ µî°ú °°Àº ´Ù¾çÇÑ ÇÁ·ÎÅäÄÝÀ» Áö¿øÇÏ´Â ´ÜÀÏ, °íÈ¿À² µðÀÚÀÎÀ» »ç¿ëÇÏ¿© ´Ù¾çÇÑ ¾ÆÅ°ÅØÃ³ÀÇ »ý»ê ¼Ö·ç¼ÇÀÇ Âü°í·Î Ȱ¿ëÇÒ ¼ö ÀÖ´Ù. ÀÌ ´ÜÀÏ º¸µå Ç÷§ÆûÀº OptichronÀÇ OP4400-30 µðÁöÅÐ ÇÁ¸®-µð½ºÅä¼Ç (DPD) ¹× OP5000 Å©·¹½ºÆ® ÆÑÅÍ ¸®´ö¼Ç (CFR) ICÀ» ±â¹ÝÀ¸·Î Çϰí ÀÖ´Ù. ¸ðµç ÇÁ·ÎÅäÄÝ¿¡ ´ëÀÀÇÏ´Â OP4400 DPD´Â º°µµ DSP Ĩ ¾øÀÌ ¾÷°è ÃÖ°íÀÇ DPD ¼º´ÉÀÎ ÃÖ´ë 30 MHzÀÇ 5Â÷ º¸»ó±îÁö ½ÅÈ£ ´ë¿ªÆøÀ» ¼±ÇüÈ­ÇÒ ¼ö ÀÖ´Ù. DPD ¹× CFRÀÇ Á¶ÇÕÀ¸·Î ±âÀú´ë¿ª ÀÎÇÁ¶ó¸¦ ¼öÇàÇÏ´Â µðÀÚÀÎ ¿£Áö´Ï¾îµé¿¡°Ô ÆÄ¿ö ÁõÆø±â È¿À²¼ºÀ» ´ëÆø °³¼±ÇÏ°í ½Ã½ºÅÛ ºñ¿ë ¹× ¿î¿µ ºñ¿ëÀ» ´ëÆø Àý°¨ÇØ ÁÖ´Â Àü¼Û ¹× Çǵå¹é ·çÇÁ µðÀÚÀÎÀ» ±¸ÇöÇÒ ¼ö ÀÖ°Ô ÇØÁØ´Ù. Ç÷§ÆûÀº GUI·Î Á¶ÀÛÇÏ¸ç ¼ÒÇÁÆ®¿þ¾î °³¹ßÀ̳ª ÈÄ¼Ó ¼ÒÇÁÆ®¿þ¾î À¯Áö ÀÛ¾÷ÀÌ ÇÊ¿ä ¾ø´Ù. °¢ ¹öÀüÀº ¾Æ³¯·Î±× ÀåÄ¡ Àüȯ±â, ¿À½Ç¸®¿¡ÀÌÅÍ, ÇÊÅÍ ¹× ¸ðµâ·¹ÀÌÅÍ µî°ú °°ÀÌ ÃÖÀûÈ­µÈ ±¸¼º ºÎǰÀ¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. Àüü Ç÷§ÆûÀº ´ÜÀÏ º¸µå Çϵå¿þ¾î, GUI, °³·«µµ¿ÍGerber ÆÄÀÏÀ» Æ÷ÇÔÇÑ ¹®¼­ ±×¸®°í Àü¿ø °ø±Þ ÀåÄ¡·Î Àϰý Á¦°øµÈ´Ù. º¸µå´Â ¸ðµç PA¿¡ ÃÖ¼ÒÇÑÀÇ µµ±¸¸¦ Ãß°¡ÇÏ¿© ÀÛµ¿µÈ´Ù.
OP4400 DPD Á¦Ç°±ºÀÇ À¯´Ï¹ö¼³ ¾Ë°í¸®ÁòÀº ¸ðµç PA ¾ÆÅ°ÅØÃ³ (AB Ŭ·¡½º ¹× Doherty Æ÷ÇÔ)¿¡ Àû¿ëÇÒ ¼ö ÀÖÀ¸¸ç ¾Ë°í¸®Áò ÇÁ·Î±×·¡¹ÖÀ̳ª ¿ÜºÎ DSP ĨÀÌ ÇÊ¿ä ¾ø´Ù. OP4400-30ÀÇ Àü¼Û °æ·Î ¼±ÇüÈ­ ¿ª·®À» ¸Å²ô·´°Ô º¸¿ÏÇØÁÖ´Â µ¿»çÀÇ OP5000 CFR IC´Â ±¤´ë¿ª ÇÁ·ÎÅäÄݰú ¿¬°üµÈ º¹ÀâÇÑ ½ÅÈ£ÀÇ ÃÖ°í´ëÆò±Õºñ (PAR)¸¦ ÁÙ¿©ÁÖ´Â °íǰÁúÀÇ ´ÙÀç ´Ù´ÉÇÑ ½ÅÈ£ ¾ÐÃà ¼Ö·ç¼ÇÀÌ´Ù. OP5000 CFRÀº µðÀÚÀ̳ʵéÀÌ º¸´Ù È¿À²ÀûÀÎ ÀÛµ¿ À§Ä¡¸¦ ¼±ÅÃÇÒ ¼ö ÀÖ°Ô ÇØ ÁÜÀ¸·Î½á PA È¿À²¼ºÀ» °³¼±ÇÑ´Ù. ÀÌ µÎ °¡Áö OptichronÀÇ ±¸¼º ¿ä¼Ò°¡ °áÇÕµÇ¾î ½Ã½ºÅÛ¿¡¼­ °¡Àå ÆÄ¿ö ¼Õ½ÇÀÌ Å« PAÀÇ È¿À²¼ºÀ» °³¼±ÇÏ´Â ¾÷°è ÃÖ°íÀÇ È¿À²¼ºÀ» °¡Áø ¼Ö·ç¼ÇÀ» Á¦°øÇÑ´Ù. ÀÌ ¼Ö·ç¼ÇÀ» Ȱ¿ëÇÏ¿© µðÀÚÀ̳ʵéÀº Á֯ļö °ü·Ã ¿ä°ÇÀ» ÁؼöÇϸ鼭 Ãâ·Â ÆÄ¿ö¸¦ Áõ°¡½Ãų ¼ö ÀÖ°í º¸´Ù ÀÛÀº PA¸¦ »ç¿ëÇÔÀ¸·Î½á ºñ¿ë ¹× »ç¿ë Àü·ÂÀ» Àý°¨ÇÒ ¼ö ÀÖ´Ù. °³¹ß °úÁ¤¿¡¼­ µðÀÚÀ̳ʵéÀº CFRÀ̳ª DPD ȤÀº ´Ù¸¥ ±¸¼º ºÎǰÀ» ¿ìȸÇÏ¿© ÀÚ½ÅÀÇ ¿ä°Ç¿¡ ¸Â´Â Ç÷§ÆûÀ» ÀÓÀÇ·Î ±¸¼ºÇÒ ¼ö ÀÖ´Ù. Á¾ÇÕÀûÀ̸鼭µµ °£´ÜÇÑ GUI µµ±¸´Â µðÀÚÀÎ ±â´É°ú ¿É¼Ç ¿¬°á ÀåÄ¡¸¦ À¯¿¬ÇÏ°Ô ±¸¼ºÇÒ ¼ö ÀÖµµ·Ï Áö¿øÇÑ´Ù.

 
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