The AD7745 is a high precision capacitancetodigital converter, which has the advantages of low power consumption, stable performance, high integrity easy to operate and so on. Applying the AD7745 to the system of electrical capacitance tomography can reduce the power consumption of the system, improve the antijamming capability of the system and reduce the volume of the system. This paper studies from both hardware and software, realizing the test on dielectric constant of 2.5. The experimental results show that the stability of the system meets the detection requirements of the ECT system.
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马敏,江锋,吴轲,陈希远.基于AD7745的ECT系统研究[J].机床与液压,2018,46(18):77-80. . The research of ECT system based on AD7745[J]. Machine Tool & Hydraulics,2018,46(18):77-80