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FDC2212: 无法通过EMC的R/S项目

Part Number: FDC2212
Other Parts Discussed in Thread: FDC1004, TINA-TI

在80~200MHZ频段内,采集到的信号受干扰强烈,无法满足使用需求。根据DEMO板手册内的说法,可以调整靠近芯片引脚的两个电容来调节抗干扰能力,所以在这里想请问:

1.对电容调整时,是否需要将4个电容的值一块调整

2.针对上述频段,在原本18pF的基础上,需要调大还是调小,是否有个推荐值