VHS-ADC－High Performance Multi-Channel A/D

VHS-ADC 適用於 array antennas / MIMO (Multiple Input / Multiple Output) 的開發， 本身具備 8 或 16 個 105 MHz channel，一顆Xilinx Virtex II 或V4 FPGA，系統層級支援 Xilinx System Generator，可滿足開發人員對高階硬體的需求。

當配合 DSP/FPGA 的板子，如 SignalMaster 或 QuadMaster cPCI 平台，即成為一個高效能之 IF/baseband 完整解決方案。除此之外，VHS-ADC也可和VHS-DAC搭配，提供16倍高的channel傳輸處理速度。

• Analog to Digital Converter
  　-8 or 16 Analog Devices’ AD6645
  　-Single channel 14-bit ADC
  　-Up to 105 MSPS guaranteed
  　-100dB Multitones SFDR 75 dB SNR (fin=15MB)
  　-DC to 270 MHz Analog Input Bandwidth
• Analog Input Programmable Gain
  　-8 or 16 Programmable gain Amplifiers CLC5523 (H/W Option)
  　-30 MHz Bandwidth, 26dB Dynamic Range
  　-100 MHz Bandwidth, 17.5dB Dynamic Range
  　-200 MHz Bandwidth, 26dB Dynamic Range
  
• Analog Input:
  　-50-Ohm MMCX Connectors
  　-=/-1.12 Vpk Full Scale Input With Programmable Gain Bypassed
• Optional Low Pass Input Filter
  　-Optional external LPF filter or BP can be supplied for specific applications
  
• Sampling Clock
  　 -Software-selectable on-board or external clock
  　 -On-board programmable clock source FS6377 up to 105 MHz with 10 KHz precision
  　-External clock source (TCL/LVTTL/LMOS/LVCMOS) 50 Ohms
  
• Contorl & Pre-Processing Virtex-II
  　 -Pre-Processing Virtex-II FPGA (signal decimation or flitering)
  　 -Up to XC2V8000
  　 -SDRAM option: 2 x 16 MB or 2 x 32 MB or 2 x 64 MB
• Off-Board Communication Channels
  　 -FPDP External Port with 400 MB/sec. TDM raw data for all 8 or 16 Input Channels
  　 -32-bit PCI External Port, 33 MHz Control Interface
  　 -34-pin External Virtex-II GPIO Header with 6 optional Virtex-II LVDS giving 5Gb/s
• Development Tools
  　 -C-Coded low-level drivers and VHDL library
  　 -MATLAB®/Simulink® Bockset
  　 -Xilinx Foundation ISE
  　 -Xilinx System Generator for DSP

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