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Âü°í°¡ µÇ¸é ÁÁ°Ú½À´Ï´Ù. Áß°£ÁÖÆļö ¼±Á¤ ±âÁØÀº ±â¼úÀûÀÎ ¿ä±¸»çÇ×°ú ±× ´ç½Ã ¼ÒÀÚ ±â¼ú ¼öÁØ µîÀ» °í·ÁÇؼ Á¤ÇÏ°Ô µÇ´Âµ¥, Çѹø Á¤ÇÏ°Ô µÇ¸é Àß ¹Ù²îÁö ¾Ê°Ô µË´Ï´Ù. ¿¹¸¦ µé¾î AMÀº 455KHz, FMÀº 10,7MHzµîÀ¸·Î ¼±Áø¾÷ü°¡ óÀ½ ½Ã½ºÅÛÀ» ¸¸µé¶§ Á¤ÇÏ°í, (¹°·Ð ¼±Á¤ÇÒ¶§´Â ¼±Åõµ, Image¼ººÐ, ¼ÒÀÚ±â¼ú µîÀ» °í·ÁÇÔ) ±× ´ÙÀ½¿¡ ÇÊÅÍ È¸»çµéÀÌ ±× ÁÖÆļö¿¡¼ ÇÊÅ͸¦ ¸¸µé°í, ±× ´ÙÀ½ºÎÅÍ´Â ¸ðµç ȸ»çµéÀÌ µû¶ó¼ ¸¸µé´Ùº¸´Ï ±×³É ±×·¸°Ô Á¤ÇØÁö´Â °ÍÀÌÁÒ... ²À ±× ÁÖÆļö°¡ Á¤´äÀº ¾Æ´Õ´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀ» ¾Ë°í ½ÍÀ¸½Ã¸é ´ÙÀ½ ³í¹®À» ã¾Æ¼ Àо½Ê½Ã¿À. Asad A Abidi, "Low-Power Radio-Frequency IC's for Portable Communications" - Proceedings of the IEEE, vol.83, pp.544-569, April 1995. |
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