技术参数: Board Format: 32 bit, up to 33MHz PCI, half size plug-in card 66mm x 135mm. PCI Bus Master with scatter/gather DMA providing up to 132MB/sec. Connectors: one channel RGB input and one channel RGB loop back output Maximum Sample Rate: 140 Mpixels per second. Video Sampling: RGB: 24 bits per pixel/8-8-8 format. Video Capture Memory: Total 32 MB Analog RGB Mode Support: 640 x 480, 800 x 600, 1024 x 768, 1280 x 1024 Input Mode Detection: Automatic detection of input modes in hardware enabling the tracking of mode changes in the source signal. Pixel Display Formats: RGB: 565 or 888 pixels. YUV 4:2:2: UYVY. YUV 4:2:0 plane mode suitable for encode Update Rate: User defined, typically up to 30 frames per second, limited by available bandwidth. Triple buffered to eliminate tearing artifacts. Video Format Options: Analog RGB plus HSync and VSync (5 wire) Operating System Support: Windows? 2000 Professional, Windows? XP Professional and Windows? Server 2003. Power Requirements: Max current at +3.3V – 2.5A. Max current at +5V – 0.1A. Max power – 8 Watts. Operating Temperature: 0 to 35 deg C. Storage Temperature: -20 to 70 deg C. Relative Humidity: 5% to 90% non-condensing. Analog Input Range: Min 0.35Vpp Nom. 0.7Vpp Max 1.4Vpp Hsync: 15kHz - 85kHz Vsync: No hardware limits, typically 25Hz - 100Hz for real signals Separate Sync Polarity: Positive or Negative Inputs 75 Ohm terminated