Connect the included power supply along with the CLK and AIN signal sources to the two evaluation boards. Then connect to the PC via the USB port and evaluate the performance instantly. 2. USB Port Connection to PC. PC interface is via a USB 2.0 connection (1.1 compatible) to the PC. A USB cable is provided in the kit. 3. 64 kB FIFO. The on-board FPGA contains an integrated FIFO to store data captured from the ADC for subsequent processing. 4. Up to 644 MSPS SDR/800 MSPS DDR Encode Rates on Each