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Thread: Rowland Aeris DAC

  1. #21
    Inside part 2





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  2. #22
    Inside part 3

    Close - starting to the right of the circuit board

    Power from PSU comes here

    Fairchild MOSFET's


    Linear Technology Regulators


    An old USB receiver from TI - TAS1020B


    From TI "This product is not recommended for new designs"
    Why not use 24/192 Cypress USB receiver instead of the old TAS1020B?

    Xilinx Spartan FPGA/DSP, Two gold crystal clocks over the Spartan.


    Under Spartan there are three chips.


    Left - AD1895: 192 kHZ Asynchronous Sample Rate Converter
    Middle - Xilinx Flash for the Spartan FPGA chip
    Right - AKM 4113 24/192 S/PDIF receiver

    Going to the left of the circuit board

    At the top - more old technology.


    One AD1853 delta sigma 24/192 dac chip.

    Under the dac chip there are two Lundahl LL1588 transformers


    http://www.lundahl.se/pdfs/datash/1588.pdf
    Last edited by wizard; 02-26-2012 at 10:05 AM.
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  3. #23
    Addicted to Best! flez007's Avatar
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    Looks awesome!

  4. #24
    Addicted to Best!
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    "From TI "This product is not recommended for new designs" ?
    Why not use 24/192 Cypress USB receiver instead of the old TAS1020B?"

    I thought the same thing. I thought the new "in" thing is higher sampling rates, and usb is the newest flavor of the month with 24/192. ?

    Simply stunning to look at.

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