请问,使用贴片天线,这两个电容和电阻如何取值(图中C252、C251、R251)
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巴伦出来就是50ohm。
这三个器件是天线匹配电路,它是由天线来决定的。目的就是把天线匹配成50ohm的接口,达到和巴伦匹配的目的。实现功率的传输。
所以,这里没办法给出具体的值。你可以问一下贴片天线的厂家。
BR. AZ