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CC2541和CC2540都使用2.4G的天线,新手的话建议直接用第二种的芯片设计
balun和匹配/lvbo电路用一颗芯片搞定了。传导特性上是不需要的。
但是天线是和周边空间环境相关的。所以,要看具体的产品和性能来决定要不要调天线匹配部分。
BR.AZ