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USB board Mk2
INSTRUCTION MANUAL
Revision 0, December 2017

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Summary of Contents for Audial USB board Mk2

  • Page 1 USB board Mk2 INSTRUCTION MANUAL Revision 0, December 2017...
  • Page 2 This manual comprises introducing information on use and performance of this device. For more information please refer to the Audial web site, or send your questions to info@audialonline.com. IMPORTANT! 1. This manual is a guide only. 2. Device is claimed to work as such, however the customers are responsible for their applications.
  • Page 3 THIS DEVICE MARK 2 Audial USB board is a USB audio decoding stage, The Mk2 board version is shipped as a ready made which also generates clock signal for D/A conversion. module, or as completed unit. At one side it connects to PC via USB port and, by...
  • Page 4 Mac OS soundwise. X or Linux. Users can download this driver from Audial web site. Driver version 1.26 can be installed to Windows XP , Vista, 7, 8, 8.1 and 10. Later driver version 2.10 WINDOWS USB AUDIO CLASS 2.0...
  • Page 5: Output Formats

    LE / WS (J208 / J306) Latch enable Word select (a.k.a. LRCK) Latch enable (WCLK) LE / WS (J209) Latch enable Word select (a.k.a. LRCK) Latch enable (WCLK) MCK (J210 / J307) Master clock Master clock Master clock Audial USB board Mk2...
  • Page 6 Master clock frequencies Firmware Simultaneous data S/PDIF PCM1704 11.2896 / 12.288 MHz 192 kHz 96 kHz 96 kHz 192 kHz 22.5792 / 24.576 MHz 192 kHz 192 kHz 192 kHz 192 kHz 22.5792 / 24.576 MHz 384 kHz Audial USB board Mk2...
  • Page 7 U.FL cables (Data L, output, this clock frequency, adequately scaled down, Data R, BCK, LE), while I2S requires three U.FL cables can be also used as a basis for TDA1541A DEM circuit. (Data, BCK, WS). Audial USB board Mk2...
  • Page 8: Led Indicators

    BNC and USB connectors panel cut-out (rear view), There are four mounting holes, each 4 mm in diameter, taking into account 15 mm stand-offs at that. Fig 3: Recommended rear panel cut-out, rear view (all measures in mm) Audial USB board Mk2...
  • Page 9 Fig 4: Top side of the board. The picture shows USB input connector (J101), S/PDIF output connector (J201), U.FL output connectors (J202 - J210), BNC output connectors (J301 - J307) transformer connections (AC1, AC2), LED indicators (D10, D101, D102), and mounting holes Audial USB board Mk2...
  • Page 10 Fig 5: Output formats Audial USB board Mk2...
  • Page 11 Fig 6: 24.576 MHz master clock, U.FL output, 12 pF load Fig 7: 2.8224 MHz bit clock, U.FL output, 12 pF load Audial USB board...
  • Page 12 Fig 8: 2.8224 MHz bit clock, U.FL output, spectral analysis, 200 kHz span Fig 9: 1.4112 MHz bit clock, U.FL output, spectral analysis, 100 kHz span Audial USB board Mk2...
  • Page 13 Fig 10: 2.8224 MHz bit clock, BNC output, 12 pF load, no termination Fig 11: 2.8224 MHz bit clock, BNC output, 75 Ohm ǁ 12 pF load Audial USB board...
  • Page 14 Fig 12: 1.4112 MHz bit clock, BNC output, spectral analysis, 50 kHz span Audial USB board Mk2...
  • Page 16 Copyright © 2017 Audial d.o.o.