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请问自己用AWR2243设计射频板的时候，如果只用到了单发单收，其他通道是悬空还是设置匹配电阻，或是软件配置可以控制某个发射接收通道关闭吗。
可以悬空不接，请参考下面的帖子。https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1011687/awr2243-termination-of-unused-tx
