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CC1200发射功率问题

Other Parts Discussed in Thread: CC1200

 cc1200我们测试433M的时候发现一个问题,供电电压3.5V,设置发射功率为5dbm的时候,测出来是5dbm;设置为14dbm的时候,测出来是11dbm!这问题好诡异啊,这会不会和射频前端匹配有关系?射频外围器件都是按参考设计的来的,如果要调匹配怎么调呢?TI也没有相关说明的文档啊?