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LDC1614: LDC1614

Part Number: LDC1614


你好!!!

    f_ref = 20MHz

     谐振电感选择为:28uH

     初始选择谐振电容:283pF,这时候可以正常起震,谐振频率 1.7MHz 左右,是对的;

     为了使谐振频率达到 3.0MHz 左右,更改谐振电容为 98pF,但是这时候就没有正常起震波形,波形如下图:

    计数器读数换算之后 频率为 1.5MHz 左右,而且没有幅值报错,不知道为什么会这样