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[½ÅÁ¦Ç°] Ãâ½Ã°¡ ÀÓ¹ÚÇÑ DAC S (Çѱ۹öÁ¯)
¹øÈ£ : ÆÄÀÏ : ³¯Â¥ : 2011. 04. 14 (09:38) À̸§ : °ü¸®ÀÚ Ãßõ : 0 Á¶È¸ : 5281
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DexaDAC S.

2011³â 4¿ù NewClassD / DEXA Technologies´Â ½ÅÁ¦Ç° Network player upgrade¿ë DAC board¸¦ Ãâ½ÃÇÕ´Ï´Ù.



´ëºÎºÐÀÇ Network player ³»ºÎ¿¡´Â ±×·¸°Ô ¶Ù¾î³ªÁö ¸øÇÑ DAC chipÀ» »ç¿ëÇÏ°í ÀÖ¾î ¿Ö°îÀÌ ½ÉÇÏ°í À½ÁúÀÌ ¿ì¼öÇÏÁö ¸øÇÕ´Ï´Ù. ±×·¡¼­ ¸¹Àº »ç¶÷µéÀÌ À½Áú Çâ»óÀ» À§Çؼ­ ¿ÜºÎ DAC¸¦ »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ ±×°ÍÀº ¿ÀÈ÷·Á ´õ ÁÁÁö ¾ÊÀº °á°ú¸¦ °¡Á®¿Ã ¼öµµ ÀÖ½À´Ï´Ù.  ÀÌ·¯ÇÑ ÀÌÀ¯·Î ¿ì¸®´Â ¼¼°è ÃÖ°í DAC chipset°ú ¶Ù¾î³­ ¾Æ³¯·Î±×´Ü°ú ÀÎÅÍÆäÀ̽º¸£ °¡Áø DAC moduleÀ» ¸¸µé °Ô µÈ ÀÌÀ¯ÀÔ´Ï´Ù. ¼Õ½±°Ô ÃÖ°í¼öÁØÀÇ À½ÁúÀ» ¿©·¯ºÐÀÇ Network player¿¡ À̽ÄÇϰųª ¶ÇÇÑ ÇÁ¸®¾ÚÇÁ³ª ´Ù¸¥ ±â±âµé¿¡°Ô Àû¿ëÇÒ ¼ö µµ ÀÖ½À´Ï´Ù.

´ÙÀ½°ú °°Àº ½ºÆåÀ¸·Î ¹ß¸ÅµË´Ï´Ù:

DAC Chipset: PCM1704-K2
Digital filter: DF1704 Standalone
Expandability: Microprocessor control
Analog Filter: None
Analog Stage: LM4562 or Discrete OPAMP
Receiver: Low jitter digital PLL
Interfaces: SP/DIF, ext. Clock
Analog Outputs: Unbalanced only
Power Supply: 12V DC 300 mA
Expandability: External lownoise power supply
Size: 50 by 80 mm and 25mm height
(2 by 3.2 by 1 inch).


º¸µå¿¡´Â Power supply º¯È¯±â¸¦ žÀçÇÏ°í ÀÖ¾î Network player³»ºÎÀÇ Àü¿øÀ» »ç¿ëÇÒ ¼ö ÀÖ°Ô ÇÏ°í ÀÖ½À´Ï´Ù. ³»ºÎ¿¡ žÀçµÈ º¯È¯±â´Â 12V ´ÜÀü¿øÀ» +/- 12V DC´Â ¾Æ³¯·Î±×¿¡, +5V¿Í 3.3V´Â µðÁöÅÐ ½Ã½ºÅÛ¿¡ °ø±ÞÇϵµ·Ï ÇÕ´Ï´Ù.  PCM1704 analog ÂÊ¿¡´Â ºÐ¸®Çü Low noise power supply¸¦ °¡Áö°í ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ °ÍÀÌ High end DAC system¿¡¼­ Àû¿ëµÇ´Â ¹æ¹ýÀÔ´Ï´Ù.

¿ÜºÎ ÀÔ·ÂÀü¿øµµ °¡´ÉÇÏ¿© ÀÌ·¯ÇÑ ¸ñÀû¿ëÀ¸·Î ÀÔ·Â plug°¡ ¸¶·ÃµÇ¾î ÀÖ½À´Ï´Ù. ¿©±â¿¡´Â DexaÀÇ Low noise power supply¿¬°áÇϸé ÁöÀúºÐÇÑ Àü¿ø¿¡¼­ Çعæ½ÃÄÑÁÙ ¼ö ÀÖ½À´Ï´Ù.

Analog stage´Â LM4572³» À¯»çÇÑ National Semiconductor typeÀÇ Single opamp·Î ±¸µ¿µË´Ï´Ù. 8 pin DIP socketÀÌ Á¦°øµÇ¾î ½±°Ô ´Ù¸¥ °ÍÀ¸·Î ±³Ã¼ ºñ±³ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÃÖ»óÀÇ Ãßõ¹æ½ÄÀ¸·Î´Â DexaÀÇ discrete OPAMP¸¦ ÃßõÇÏ¸ç ¿ª½Ã º°µµÀÇ socketÀÌ Å¾ÀçµÇ¾î ÀÖ¾î ¹Ù·Î Àû¿ëÀÌ °¡´ÉÇÕ´Ï´Ù.

»ý»ê½Ã DAC board´Â Stand alond mode·Î µ¿À۵Ǹç 44.1rhk 48KHz mode·Î¸¸ playµË´Ï´Ù. ´ëºÎºÐÀÇ Network player³ª Sound card, CD Player¿¡¼­ Àû¿ëµÇ´Â ¹æ½ÄÀÔ´Ï´Ù.
ÇÏÁö¸¸ žÀçµÈ Plug ÀÎÅÍÆäÀ̽º¿Í DIsplay¸¦ °¡Áø ¿ÜºÎ Microprocessor module°ú µ¿ÀÛ PanelÀÌ ¿ÃÇظ»±îÁö °ø±ÞµÉ ¿¹Á¤ÀÔ´Ï´Ù. ÀÌ·² °æ¿ì  96/192KHz ÀÎÅÍÆäÀ̽º, Digital volume control, Filter adjustmentµîÀÇ Àû¿ëÀÌ °¡´ÉÇØÁ® ´Ù¾çÇÑ ±â´Éµé·Î È®´ëÇÒ ¼ö ÀÖ½À´Ï´Ù.  

³»ºÎ Network player¿¡ D Clock 11.2896MHz°¡ Àû¿ëµÇ¸é Àü¼Û Jitter°¡ Á¦°ÅµÇ¸ç ÀÌ·¯ÇÑ ¼±ÅÃÀ» ÇÒ °æ¿ì D/A converter PCM1704-K2´Â ÃÖ»óÀÇ ¼º´ÉÀ¸·Î Çâ»óµÉ ¼ö ÀÖ½À´Ï´Ù.

DAC S´Â Network player¿ëÀ¸·Î °³¹ßµÇ¾úÁö¸¸ SP/DIF onlyÀÔ·ÂÀ» ¹Þ´Â ÀÏ¹Ý ´Ù¸¥ DAC¿¡µµ ¿Ïº®ÇÏ°Ô Àû¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÛÀº »çÀÌÁî·Î ÀÎÇØ ´ëºÎºÐÀÇ CD Player³ª ÇÁ¸®¾ÚÇÁ¿¡ Àû¿ëÇÒ ¼ö ÀÖ°í, ÃÖ°íÀÇ DAC ChipsetÀÎ PCM1704¿¡ ÀÇÇÑ È®½ÇÇÑ À½ÁúÇâ»óÀ¸·Î º¸»ó¹ÞÀ» ¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù. 


ºñ¹Ð¹øÈ£ È®ÀÎ ´Ý±â
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  Content name date hits
[½ÅÁ¦Ç°] Ãâ½Ã°¡ ÀÓ¹ÚÇÑ DAC S (Çѱ۹öÁ¯)   2011/04/14 5281
Re:[Re] [Re] [½ÅÁ¦Ç°] Ãâ½Ã°¡ ÀÓ¹ÚÇÑ DAC S  
°ü¸®ÀÚ
2011/04/17 3555

»ç¾÷ÀÚµî·Ï¹øÈ£: 128-08-81985 / Åë½ÅÆǸž÷½Å°í: Á¦2020-°í¾çÀϻ굿-2196È£ / ´ëÇ¥: ¼Õµ¿Âù
ÁÖ¼Ò: °æ±âµµ °í¾ç½Ã Àϻ굿±¸ È£¼ö·Î430¹ø±æ 58-13

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