2) A high speed data acquisition circuit board with USB 2.0 interface and EZ-USB FX2 as equipment controller is developed, whose maximum sample rate can reach 60 MHz and whose rate of transferring sample data to the PC computer can reach 240Mbps.

• 2) 研制了一种用于高速数据采集的USB2.；0接口电路板，采用EZ-USBFX2作为设备端控制器，其A/D变换的最高速率可达60MHz，采样数据能以240Mbps的速率实时传输到PC机中。