ÀåÄ¡ ¸ñÀû: Cosmos ¾Æ³¯·Î±× ó¸® ÀåÄ¡ ¾Æ³¯·Î±× ½ÅÈ£ ó¸® ÀåÄ¡, Cosmos ADC¿ë ´ÜÀÏ Ã¤³Î ÀåÄ¡ ½´ÆÛ ¼º´É THD + N ¹× ³ëÀÌÁî/DR ÃøÁ¤ µµ±¸ (±â´É¿¡´Â ÆÒÅÒ ÆÄ¿ö, ÇÁ¸®¾ÚÇÁ, ³ëÄ¡ ÇÊÅÍ Æ÷ÇÔ)
Àç·á: »÷µå ºí¶ó½ºÆÃ/ºí·¢ ¾ç±Ø »êÈ ¾Ë·ç¹Ì´½/·¹ÀÌÀú ¸¶Å·/THAT1510/OPA1612/RT6863S ¹ÙÀÌÅ· ÀúÇ×±â, ¹«¶óŸ, TDK, ELNA Ä¿ÆнÃÅÍ, ´ë¸¸ Ä¿³ØÅÍ/½ºÀ§Ä¡
Å©±â: PCBA 90x50x29mm ±â°è 104x61x39mm
¹«°Ô: PCBA 34g Àüü ±â°è 157g
Àü¿ø °ø±Þ ÀåÄ¡: USB-C + 5V ·¹ÀÏ, 350mA Á¤Áö Àü·ù, ±ÇÀå Àý¿¬ Àü¿ø °ø±Þ ÀåÄ¡ (ÃæÀü±â, º¸Á¶º£Å͸®> 600mA)
ÀÔ·Â: 3.5mm Àè TRRS ÇÉÀº °¢°¢ + In/-In/GND/GNDÀÔ´Ï´Ù.
³ëÄ¡ ÇÊÅÍ: ±ÕÇü (FDA) ~ 10Vrms (È°¼º °íÁ¤-15V ÇÇÅ©)
°ÔÀÎ = 20db + 0/6db (Àüȯ °¡´É), Zi = 1kHz ¶Ç´Â 10kHz (Àüȯ °¡´É) ¿¡¼ 20/10kohm ±ÕÇü/ºÒ±ÕÇü ³ëÄ¡ ºñÀ² = -30db ÀÜ·ù ³ëÀÌÁî 950nVrms(A) ÀüÇü (°ÔÀÎ 20 + 6db, Fnotch = 1kHz)
ÀÜ¿© ¿Ö°î: @ 1kHz@4.5Vrms 2 Â÷/3 Â÷ <-150db/-150db @ 1kHz @ 9Vrms 2 Â÷/3 Â÷ <-150db/-160db @ 10kHz@4.5Vrms 2 Â÷/3 Â÷ <-130db/-130db ÀÜ·ù THD + N BW20- 20k @ 1kHz @ 9Vrms <-131db ¹«°¡Áß (½ÇÁ¦·Î DAC + LPF ¼Ò½º¸¦ »ç¿ëÇÏ¿© ±¸Çö) @ 1kHz@4.5Vrms <-127db ºñÁß (½ÇÁ¦·Î DAC + LPF ¼Ò½º¸¦ »ç¿ëÇÏ¿© ±¸Çö)
ÇÁ¸® ¾ÚÇÁ: ±ÕÇü ÀâÈù (FDA) ÃÖ´ë 3.5Vrms (10oHm ¿¡¼ TVS Ŭ·¥ÇÁ±îÁö!), À̵æ = 34/60db (Àüȯ °¡´É) Zi = 47/23.5k ±ÕÇü/ºÒ±ÕÇü, 100pF ÀÔ·Â Ä¿ÆнÃÅϽº, Áï µðÁöÅÐ µµ¸ÞÀο¡¼ Á¤È®ÇÑ ÀÀ¿ë ÇÁ·Î±×·¥À» À§ÇØ RIAA º¸Á¤¾øÀÌ Æ÷³ë ÇÁ¸® ¾ÚÇÁ·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù ÀÜ¿© ³ëÀÌÁî <140nVrms(A) ÀϹÝÀûÀÎ + 60db ÀÌµæ ¶Ç´Â <280nVrms(A) ¿¡¼ + 34db ÀÌµæ °è´Ü½Ä ÇÁ¸® ¾ÚÇÁ¿¡¼ ½ÇÁ¦·Î ´Þ¼º µÈ µ¿Àû ¹üÀ§ AES17 -> ³ëÄ¡ @ 1kHz -60dbfs(10mVrms) >153db(A), @ 1kHz -60dbfs(5mVrms) >148db(A) Äܵ§¼ ¸¶ÀÌÅ© (³ëÀ̸¸, AKG, ·Îµå, ³»ºÎ Àú¼ÒÀ½ ÆÒÅÒ Àü·Â 48VDC +/-4V 2x6.8kOhm À» »ç¿ëÇÑ ÇÁ¸® ¾ÚÇÁ ÀÔ·Â µî).
¸¶ÀÌÅ©°¡ ¿¬°áµÇÁö ¾ÊÀº »óÅ¿¡¼ Àü¿øÀ» ÄÑÁö ¸¶½Ê½Ã¿À. APUÀÇ ÇÁ¸®¾ÚÇÁ ÀԷ¿¡ ¹ÙÀεùµÈ ÀåÄ¡°¡ ¼Õ»óµÉ ¼ö ÀÖ½À´Ï´Ù! ÇÁ¸®¾ÚÇÁ ÀÔ·ÂÀ» ¾ÈÀüÇÏ°Ô ¿¬°á/ºÐ¸®ÇÏ·Á¸é ÆÒÅÒ Àü¿øÀÌ ²¨Áø ÈÄ 10 ÃÊ ÀÌ»ó ±â´Ù¸®½Ê½Ã¿À.
3.5mm Àè TRRS ÇÉÀº °¢°¢ + Out/GND/GND
ÃÖ´ë 10Vrms ºÒ±ÕÇü, Zo = 47ohm
³ëÄ¡: 5Hz-200 + kHz Fnotch = 1k
10Hz-1MHz + -3db @ 60db À̵æ
10Hz-5MHz + -3db @ 34db À̵æ
https://www.l7audiolab.com/f/e1da-cosmos-apu-2/
https://archimago.blogspot.com/2022/05/early-look-cosmos-apu-high-performance.html