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CC2530 发射功率低和灵敏度差问题

问题:

 

 

对比DEMO

DUT

 

 

CH11

CH19

CH26

CH11

CH19

CH26

 

测试项

2405

2445

2480

2405

2445

2480

TX

power

3.18

2.94

2.05

0.44

0.82

1.05

RX

sensitivity

-95

-89

-92

-87

-75

-82

注:由于测试环境不是在屏蔽房中,外界wifi有一些干扰,灵敏度值不是很准,但是可以确认我们的灵敏度确实比demo板差很多。

请问可能很电路的哪部分有关系?