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最近我们在做2640的测试，发现频偏比较大，24M晶振没有电容时频偏超出了，当增加电容，反而频偏更大。所以目前看来24M晶振不能加电容。天线匹配电路，如下图所示：请问我可以修改哪部分来改善频偏问题？谢谢
请问我可以修改哪部分来改善频偏问题？谢谢