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https://e2e.ti.com/support/wireless-connectivity/other-wireless-group/other-wireless/f/other-wireless-technologies-forum/975168/trf7970a-use-of-trf7970
如何驱动 trf7970工作模式0以及如何在硬件上将通信距离匹配到10cm
您好！
请参阅以下文档、其中介绍了 TRF7970A 的直接模式的使用：
http://www.ti.com/lit/pdf/sloa214
您可以实现的通信距离取决于所使用的标签、尤其是 ISO 标准、天线的尺寸和功耗。 此外、读取器天线的尺寸和匹配电路的正确调整也会产生影响。
如需更多信息、请查看"天线设计指南"：
http://www.ti.com/lit/pdf/sloa241
此致、
Helfried
