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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) °¡º¯ Ŭ·Ï ¹ß»ýÀ» À§ÇÑ DLL ÁÖÆļö ÇÕ¼º±â
¿µ¹®Á¦¸ñ(English Title) A DLL-Based Frequency Synthesizer for Generation of Various Clocks
ÀúÀÚ(Author) ÀÌÁöÇö   ¼ÛÀ±±Í   ÃÖ¿µ½Ä   ÃÖÇõȯ   ·ùÁö±¸   Ji-Hyun Lee   Youn-Gui Song   Young-Shig Choi   Hyek-Hwan Choi   Ji-Goo Ryu  
¿ø¹®¼ö·Ïó(Citation) VOL 08 NO. 06 PP. 1153 ~ 1157 (2004. 10)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â DLL(delay locked loop)¿¡¼­ÀÇ ÇÁ·Î±×·¥ °¡´ÉÇÑ »õ·Î¿î ÁÖÆļö ÇÕ¼º±â¸¦ Á¦¾ÈÇÏ°íÀÚ ÇÑ´Ù. ÀϹÝÀûÀ¸·Î ÁÖÆļö¸¦ ÇÕ¼ºÇϱâ À§Çؼ­ PLL(phase locked loop)ÀÌ ¸¹ÀÌ ÀÌ¿ëµÇ¾î ¿ÔÀ¸¸ç, locking ½Ã°£ÀÌ ºü¸¥ DLL ¿ª½Ã ÁÖÆļö ÇÕ¼º¿¡ ÀÌ¿ëµÇ°í ÀÖ´Ù. ÇÏÁö¸¸ DLLÀÇ °æ¿ì ÁÖÆļö¸¦ ÇÕ¼ºÇϱâ À§Çؼ­´Â µû·Î ÁÖÆļö¸¦ ü¹èÇÏ´Â ºí·ÏÀÌ ÇÊ¿äÇÏ´Ù. ±âÁ¸ÀÇ DLL¿¡¼­ »ç¿ëµÈ ÁÖÆļö ü¹è±â´Â ÁÖÆļö¸¦ ü¹èÇÏ´Â ¹è¼ö°¡ Çѹø Á¤ÇØÁö¸é ¹Ù²Ü ¼ö ¾ø´Ù´Â ´ÜÁ¡ÀÌ ÀÖ´Ù. ±×·¯³ª º» ³í¹®¿¡¼­ Á¦¾ÈÇϴ ü¹è±â´Â ÀÔ·ÂÁÖÆļö¿¡ ´ëÇؼ­ 6¹è¿¡¼­ 10¹è±îÁö ¼±ÇüÀûÀ¸·Î ÁÖÆļö¸¦ ü¹èÇÒ ¼ö ÀÖ´Ù. Á¦¾ÈµÈ DLLÀÇ µ¿ÀÛ ÁÖÆļö ¹üÀ§´Â 600MHz¿¡¼­ 1GHz±îÁö ÀÌ´Ù. $0.35-§­ CMOS °øÁ¤À» ÀÌ¿ëÇØ HSPICE simulation ÇÏ¿© µ¿ÀÛÀ» °ËÁõÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
This paper describes a new programmable DLL_based frequency synthesizer. Generally, PLLs have been used for frequency synthesis. Inherent fast locking DLLs are also used for frequency synthesis. However, DLL needs a frequency multiplier for various frequencies. A conventional frequency multiplier used in DLL has a restriction in which a multiple is fixed. However, the proposed DLL can generate clocks which are from 6 times to 10 times of the reference clock. Frequency range of the proposed DLL is from 600MHz to 1GHz. The idea has been confirmed by HSPICE simulations in a $0.35-§­ CMOS process.
Å°¿öµå(Keyword) ÁÖÆļö ÇÕ¼º   ÁÖÆļö ü¹è±â   edge detector   VCDL  
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