【摘要】 分析了传统的调频式位移传感器接口电路的不足,结合USB技术和CPLD技术,设计了符合USB2.0协议的新型调频式位移传感器接口电路。该接口电路可靠性高,数据传输快,能方便地和主机连接,简化了电路系统,实现了测量系统的“即插即用”。更多还原

【Abstract】 The insufficiency of the frequency modulation displacement sensor’s traditional interface circuit is analyzed. Using universal serial bus (USB) technology and complex programmable logic device (CPLD) technology, the frequency modulation displacement sensor’s novel interface circuit which complies with the USB2.0 specification is designed. The interface circuit has a high reliability and speed and could be connected conveniently to the host. It also makes the circuit system compact and the measurement system plug & play.更多还原