Design of the high-speed, high-precision and large-scale data acquisition system

In this paper, the key techniques are analyzed during the implementation of the high-speed, high-precision and large-scale data acquisition system (DAS), including the implementation of SDRAM controller, clock circuit design, system anti-interference and etc. In the end, the high-speed, high-precision and large-scale DAS, based on PCI bus, is introduced. In the system, we choose AD9430 and high-speed large-scale SDRAM, design the control logic for the data sampling, access read/write(R/W). The test results of the system are given which prove the feasibility of the system.