我们发现 用仪器测出来输出的本振泄漏比评估板高15个dB。我们和demo板交换了晶体及CL,也交换了输出的平衡匹配,现象一样。
请问大神,本振泄漏和电路的哪一方面有关系?是不是可能是灵敏度差的原因。
demo板测量值是-45dB
DUT测量值是-30dB
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