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https://e2e.ti.com/support/wireless-connectivity/other-wireless-group/other-wireless/f/other-wireless-technologies-forum/732547/trf7970a-external-envelope-detector-saturating
我正在尝试构建基于 RFID (TRF7970A)的防盗门、 为此、我设计了一个可提供最大4瓦射频功率的外部放大器。如果 我将外部放大器设置为1瓦功率级别、则最大读数范围为30cm、但如果我提高功率级别、则无法检测到标签。我认为可能是由于 接收器端口饱和。外部天线尺寸为60X45cm。请帮助我解决此问题。
