基于射频能量采集的电子标签设计方法
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刘高平,宋执环
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Design method of electronic tag based on radio frequency energy acquisition
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Gao-ping LIU,Zhi-huan SONG
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| 表 1 测试方案中器件参数表 |
| Tab.1 Device parameters in test scheme |
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| 元件 | 参数 | 含义 | 数值 | | CC2640R2F | ${U_0}$/V | 工作电压 | 3.3 | | ${I_{{\text{tleak2}}}}$/µA | IO驱动电流 | 20.0 | | ${I_{{\text{tr}}}}$/mA | 广播电流 | 5.8 | | ${I_{{\text{slp}}}}$/µA | 休眠电流 | 3.0 | | ${I_{{\text{cmp}}}}$/µA | COMPB工作电流 | 0.4 | | ${I_{{\text{init}}}}$/mA | 启动电流 | 2.194 | | ${t_{\text{s}}}$/ms | 完成初始化时间 | 25.0 | | ${t_{{\text{tr}}}}$/ms | 广播一帧时间 | 3.5 | | P2110B | $\eta $/% | 能量转换效率 | 42 | | $\gamma $/% | 电压转换效率 | 85 | | 477钽电容 | ${I_{{\text{cleak1}}}}$/µA | 漏电流 | 28.2 | | 227钽电容 | ${I_{{\text{cleak2}}}}$/µA | 漏电流 | 13.9 | | 106钽电容 | ${I_{{\text{tleak1}}}}$/µA | 漏电流 | 1.0 | | 其他 | ${U_{\text{H}}}$/V | 高阈值 | 1.65 | | ${U_{\text{L}}}$/V | 低阈值 | 1.27 | | $\alpha $ | ${U_{\text{C}}}/{U_0}$ | 0.427 |
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