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[½Å»óÇ°] Dexa DAC S
¹øÈ£ : ÆÄÀÏ : ³¯Â¥ : 2011. 08. 29 (17:57) À̸§ : °ü¸®ÀÚ Ãßõ : 0 Á¶È¸ : 4981
¸µÅ© :




´ëºÎºÐÀÇ network playerµéÀº ³»ºÎ¿¡ Á» Á¶¾ÇÇÑ Ç°ÁúÀÇ DAC ChipÀ» ³»ÀåÇÏ°í ÀÖ¾î À½Áú°ú ¼º´ÉÀÌ µÚ¶³¾îÁø´Ù. ±×·¡¼­ ¸¹Àº »ç¶÷µéÀÌ À½ÁúÇâ»óÀ» À§Çؼ­ network player·Î ¿ÜÀåÇü DAC¸¦ »ç¿ëÇÏ°í ÀÖ´Ù. ÇÏÁö¸¸ ÀÌ°Í ¶ÇÇÑ ´õ Å« ¹®Á¦Á¡À» ¸¸µé°í ÀÖ´Ù. °°Àº ¹®Á¦Á¡µéÀÌ DVD³ª Blu Ray player, CD Player¿¡¼­µµ »ý±â°í ÀÖ´Ù.

ÀÌ·¯ÇÑ ÀÌÀ¯·Î ÃÖ»óÀÇ DAC Chipset°ú ÃÖ»óÀÇ analog stage¿Í interface¸¦ °¡Áø DAC moduleÀ» °³¹ßÇÏ°Ô µÈ µ¿±â°¡ µÈ °ÍÀÌ´Ù. ÀÌÁ¨ ÀÌ module¸¸À¸·Îµµ ½±°Ô »ó±ÞÀÇ À½ÁúÀ» °¡Áø network player³ª preamp ¶Ç´Â ´Ù¸¥ °ÍµéÀ» ¸¸µé ¼ö ÀÖÀ» °ÍÀÌ´Ù.

 

ModuleÀÇ Æ¯Â¡Àº ¾Æ·¡¿Í °°´Ù.


DAC Chipset:

PCM1704-K

Digital filter:

DF1704 rev E Standalone

Expandability:

Microprocessor control

Analog Filter:

None

Analog Stage:

LM4562 or Discrete OPAMP

Receiver:

Low jitter 50 pS digital PLL

Interfaces:

SP/DIF, Toslink, ext. Clock, microprocessor port, Clock Resync port

Settings:

Digital source, Phase

Analog Outputs:

Unbalanced only 2.6V rms

Power Supply:

+/-12V DC 150 mA (Optional DEXA Dual Tracking Regulator)

Size:

80 by 80 mm and 25mm height
(3.2 by 3.2 by 1 inch).



DAC moduleÀº +/- 12V DC·Î ÀÛµ¿ÀÌ µÇ¸ç 150mA¸¸ ¼Ò¸ðµÈ´Ù. PCM1704 analog reference¿¡´Â ºÐ¸®Çü low noise power regulator·Î Áö¿øµÇ¸ç ÀÌ°ÍÀÌ hi-end DAC systemÀÌ´Ù.

ÃÖ»óÀÇ ¼º´ÉÀ» ³»±â À§Çؼ­ hi-end module type¿¡´Â Dexa ultra low noise mains power supply°¡ Á¦°øµÈ´Ù.

Analog stage´Â single opampÀÎ type LM4572³ª À¯»ç National Semiconductor typeÀ¸·Î ±¸µ¿ÀÌ µÇ¸ç ½±°Ô ±³Ã¼°¡ °¡´ÉÇϵµ·Ï 8pin DIP socketÀÌ ÀåÂøµÇ¾ú´Ù. ÇÏÁö¸¸ ÃÖ»óÀÇ ¼º´ÉÀ» À§Çؼ­´Â DexaÀÇ dicerete opamp°¡ ´ç¿¬ÇÑ ¼±ÅÃÀÌ µÉ °ÍÀÌ´Ù.

 



 

Phase Á¶Á¤ jumper´Â phase¸¦ 0³ª 180µµ·Î ¼³Á¤ÇÒ ¼ö ÀÖ°Ô ÇÑ´Ù. µû¶ó¼­ ÇÊ¿ä¿¡ µû¶ó¼­ DAC SÀÇ Ãâ·ÂÀ» Á÷Á¢ inverting class D amp¿¡ ¿¬°áÇÒ ¼ö µµ ÀÖ´Ù. ÀÌ·¯ÇÑ ÀåÁ¡À¸·Î analog inverter stage¸¦ ¾ø¿¡ »ç¿ëÇÏÁö ¾ÊÀ» ¼ö ÀÖ´Ù.

 

Ãâ°í½Ã DAC board´Â stand alone mode·Î µ¿ÀÛÇϵµ·Ï µÇ¾î ÀÖ´Ù. ÀÌ´Â ´ëºÎºÐÀÇ network formatÀ̳ª sound card, cd player¿¡ ÀûÇÕÇÑ 44.1°ú 48KHz mode¿¡¼­¸¸ playÇÑ´Ù´Â ¶æÀÌ´Ù. ÇÏÁö¸¸ ³ªÁß¿¡ Ãâ½Ã°èȹÀ¸·Î ÀÖ´Â diaplay¿Í operation panelÀ» °¡Áø ¿ÜºÎ microprocessor module¿¡ ¿¬°áµÇ´Â onboard plug interface°¡ Ãß°¡µÇ¸é 96/192KHz¿Í 24bit interface, digital volume control, filter adjustment µî ´Ù¾çÇÑ ±â´ÉÀ» ¼ö¿ëÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù.

 

network player ³»ºÎ¿¡ »ç¿ëµÉ °æ¿ì D Clock 11.2896MHz¸¦ Àû¿ëÇÒ ¼ö ÀÖ¾î Àü¼Û jitter¸¦ Å©°Ô ÁÙ¿©ÁÙ ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ ¼±Åûç¾çÀ» Àû¿ëÇÏ°Ô µÇ¸é network playerÀÌ¶óµµ D/A converter PCM1704-KÀÇ ¼º´ÉÀ» ¸Å¿ì ³ôÀº level·Î ¼º´ÉÇâ»óÀ» ½Ãų ¼ö ÀÖ´Ù.




ºñ·Ï DAC S°¡ network playerÀÇ upgrade¿ëÀ¸·Î °³¹ßµÇ¾ú´Ù ÇÏ´õ¶óµµ SP/DIF³ª Toslink input¸¸ ÀÌ¿ëÇÑ´Ù¸é µ¶¸³ DAC¿¡¼­µµ ¿Ïº®È÷ Àû¿ëÀÌ °¡´ÉÇÏ´Ù. ÀÌÁ¦ ÀÌ ÀÛÀº module·Îµµ cd player³ª preamplifier¸¦ ¾ÆÁÖ ÃÖ»óÀÇ À½Áú ¼º´ÉÀ¸·Î upgrade ½ÃÄÑÁִµ¥ ºÎÁ·ÇÔÀÌ ¾øÀ» °ÍÀÌ´Ù.


 

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[½Å»óÇ°] Dexa DAC S   2011/08/29 4981

»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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