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RTG003 - Radio Development System(包含資料擷取與DSP信號處理)

  • User programmable Xilinx XC2V1000-4 FPGA.
  • Channels of 125Mhz 12 bit A/D
  • 2 channels of single ended 125Mhz 14 bit D/A
  • 8 bits digital I/O
  • User programmable 300Mhz TMS320C6203 16 bit fixed point DSP
  • 32Mbytes SDRAM coupled with the DSP plus 2Mbytes Flash ROM for DSP booting and N/V storage
  • Hi Speed (480Mbits/sec) USB 2.0 connection to a host PC
  • Can be used as a stand alone board for embedded systems.
  • FPGA can be configured via USB, Xilinx JTAG cable or from on-board PROM
  • Single 5V power supply required ?20W mains Power Supply Unit included
  • HUNT ENGINEERING Host API supported for Windows 2000 and XP and Linux ?FPGA and DSP loading, resetting and data exchange all performed with simple to use software interface.
 
 

   

    The RTG003 is a self contained programmable system ideal for developing Software Defined Radio. It can be used stand alone or connected to a PC via the USB 2.0 connection.The fast A/D and D/A channels are directly connected to the user programmable FPGA, allowing data to be processed by a user FPGA program.

    The FPGA can be used to perform digital processing between the analogue inputs and outputs, or the data can be passed to and from the DSP or a PC using the USB 2.0 connection and provided software.
    The DSP can be programmed to perform whatever tasks you need ?the supplied example uses the FPGA to make a Digital Down Conversion (DDC), the results of which are passed to the DSP for protocol processing. The DSP then outputs its results to the PC where a C++ program receives processes and graphs the data.

 

Analogue I/P

      2 channels with common or independent clocking set by jumper

      
     Standard Input characteristics:

  • A/C coupled 50R, signal B/W from 750Hz to 500Mhz

  • Zero input noise typically 3 levels maximum 8 levels

  • Offset typically +-3 levels maximum +-12 levels

     Optional Input types:

  • A/C coupled as standard but choose I/P impedance from 50R to 1K

  •      D/C

  • D/C coupled choose I/P impedance from 50R to 1K, Signal B/W 0hz to 500Mhz but each input must not exceed the range 0v to +5V (of this module). This means a 4V DC offset is required.

  • Zero input noise typically 3 levels maximum 8 levels

  • Offset typically +-12 levels maximum +-16 levels

  • Analogue O/P specifications

     

          Standard Output characteristics:

    • 2 single ended channels with independent clocking

    • A/C coupled 10R, signal B/W from 1250Hz to 145Mhz

          Optional Output types:

  • D/C coupled 10R, signal B/W 0 ?145Mhz

  • FPGA

  • Xilinx 1M gate Virtex-II FPGA, speed grade 4. XC2V1000-4FG456

  • With no heatsink fitted (standard) the FPGA can dissipate 2.4 Watts at 50deg C ambient temperature.

  • The power circuits are capable of delivering more than this, so a heatsink may be required for your design.

  • If that is the case a larger 5V Power Supply Unit may also be necessary

  • DSP

          Texas Instruments  6203 @ 300Mhz, 32Mbytes sDRAM, 2 Mbytes Flash ROM

          4 bit digital Outputs, 4 bit digital Inputs, 2 McBSPs

    Host Bus

          USB 2.0 capable of up to 50Mbytes/second dependent on host PC and USB configuration.

    Maximum Dimensions:

          160mm x 110mm x 21mm.

    Power requirements

           5V Max: 3.5A plus the power taken by the FPGA. Typ: 2.6A plus FPGA

           The Mains PSU included can supply up to 4A, which is enough to power an FPGA

           design that is less than the 2.4W bare package maximum dissipation.