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本文开发了一款基于标准0.18µm CMOS工艺的片上系统无源UHF RFID标签芯片，集成了温度传感器并支持EPC Gen-2协议（860-960MHz）。采用倒装芯片技术实现天线连接，通过商用RFID阅读器成功验证了实时无线通信功能。
Kwok Ping Ng, Bo Gao, Howard Cam Luong, Amine Bermak, Mansun Chan, Wing-Hung Ki, Chi-Ying Tsui, Matthew Ming-Fai Yuen Hong Kong University of Science and Technology, Hong Kong, China A system-on-chip passive UHF RFID tag with embedded temperature sensor is developed in a standard 0.18µm CMOS process for the EPC Gen-2 protocol from 860-960MHz [1]. Flip-chip technology is used to bond the developed tag IC to an antenna to realize a complete tag inlay, which is successfully demonstrated and evaluated in real-time wireless communications with commercial RFID readers. Figure 17.1.1 shows the block diagram of the tag IC. Multiple supply voltages, generated by a power management unit (PMU) using a separate-storage-capacitor technique to save area, are employed to optimize the performance of individual building blocks, while minimizing the total power consumption. A dualpath clock generator is used to generate on-chip clocks for signal processing to
Jun Yin, Jun Yi, Man Kay Law, Yunxiao Ling, Man Chiu Lee,