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Bannaudio / Firebird DSD, 24/192 DAC
ÀÛ¼ºÀÚ : °í ¸í¼·(koh6471@hanmail.net) ÀÛ¼ºÀÏ : 2013-12-26 Á¶È¸¼ö : 3828
ÆÄÀÏ÷ºÎ :



R2R Multi-bit Ladder ±â¼úÀÇ ºÎÈ°°ú ÀüÅëÀ» ¶Ù¾î³Ñ´Â Àçź»ý

FireBird DAC
Àº Digital Signal ProcessingÀ» ÅëÇØ À½À»
¸¸µé¾î³»´Â Delta Sigma ±â¼úÀ» »ç¿ëÇÏÁö ¾Ê°í °¡Àå ÀÚ¿¬½º·´°í
À½¾ÇÀûÀÎ À½À» Àç»ýÇÑ´Ù°í Æò°¡ ¹Þ´Â R2R Multi-bit Ladder DAC
±â¼úÀ» ºÎÈ°½ÃÄÑ Á¦À۵Ǿú½À´Ï´Ù. ¾Æ¿ï·¯ ÀüÅëÀûÀÎ ¼³°è ±â¼úÀ»
±×´ë·Î ´ä½ÀÇÏÁö ¾Ê°í ´ç»çÀÇ µ¶Ã¢ÀûÀÎ ¼³°è ±â¼úÀ» Àû¿ëÇÏ¿© °ú°Å
±â¼ú ¼º´ÉÀ» ¶Ù¾î³Ñ´Â °íÀ½Áú Á¦Ç°À¸·Î »õ·Ó°Ô Àç ź»ý½ÃÄ×½À´Ï´Ù.


Specs


* DAC Technology :
µ¶ÀÚ °³¹ß 24bit 768kHz R2R Multi-bit Ladder
* DAC Chip :
¼öµ¿ ¼±º°ÇÑ Analog Device AD1851RZ (J grade) x4
* DSP : Xilinx Spartan FPGA with x16 oversampling,
Linear & Minimum Phase Oversampling,
Apodising Filter * Custom Filter Design
* Data rate : PCM 24bit/192kHz, DSD
* Digital Input : USB Audio Spec 2.0(Asynchronous) x1, Optical x1, SPDIF Coax x1, AES/EBU x1
* Analog Output : Un-Balanced RCA 2.2V, Balanced XLR 4.4V
* Power Supply : R-Core Transformer Linear Power Supply, Analog
¿Í Digital Àü¿ø ºÐ¸®
* Dynamic Range : 120dB
* THD : 0.004%
* Dimension(WxDxH) : 436x305x54mm(with Foot 63.5)
* Case Material : 100% Aluminum Alloy
* Power consumption : Under 10W


¿Ö Ladder DAC ±â¼úÀ» °íÁýÇϴ°¡?

ÇöÀçÀÇ DAC ½ÃÀå¿¡¼­´Â Delta-Sigma ±â¼úÀ» ÀÌ¿ëÇÏ¿© ¸¸µé¾îÁø
Á¦Ç°µéÀÌ Àý´ë ´Ù¼öÀÔ´Ï´Ù. ¹Ý¸é °ú°ÅºÎÅÍ ÀüÅëÀûÀ¸·Î ¸¸µé¾îÁö´ø
R2R Multi-bit Ladder(
ÀÌÇÏ Ladder) DACÀº °ÅÀÇ Ã£¾Æ º¼ ¼ö ¾ø½À´Ï´Ù.
Ladder
¹æ½ÄÀÇ DACÀÌ »ç¶óÁ®°¡´Â ÀÌÀ¯´Â Delta Sigma ¹æ½ÄÀÇ DACº¸´Ù
°áÄÚ ¼Ò¸®°¡ ³ªºü¼­°¡ ¾Æ´Ï¶ó Ladder DAC chipÀÇ Á¦Á¶°¡ ¸Å¿ì ¾î·Æ±â¿¡
´Ü°¡°¡ ³ô¾Æ ¼ö¿ä È®º¸¿¡ ½ÇÆÐÇÏ¿© ¹ÝµµÃ¼ Á¦Á¶ ¾÷üµéÀÌ °³¹ß°ú »ý»êÀ»
Æ÷±âÇ߱⠶§¹®ÀÔ´Ï´Ù.

Multi bit Ladder
Á¦Á¶¿¡ ÀÖ¾î °¡Àå ¿ì¼öÇÑ °øÁ¤ ±â¼úÀ» °¡Áö°í
ÀÖ´Ù´Â Analog Device»ç´Â 20bit Ĩ±îÁö Á¦Á¶ÇÏ´Ù°¡ Æ÷±âÇÏ¿´°í,
°ü·Ã ¾÷ü Áß °¡Àå ºÎÀÚ¶ó°í ÇÒ ¼ö ÀÖ´Â TIµµ 2000³â¿¡ ÇÑ °³ ĨÀ»
¹ß¸ÅÇÑ ÈÄ ÈÄ¼Ó Á¦Ç°À» ¹ß¸ÅÇÏÁö ¾Ê°í, ÇöÀç´Â ±âÁ¸ Á¦Ç°ÀÇ »ý»ê¸¶Àúµµ

ÀÌÀü±Û Bannaudio / USB Hub
´ÙÀ½±Û Avantgarde / Zero 1 Pro : Wireless Active Speaker
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