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LMH6629: 设计高通滤波器 为什么高频1Ghz会出现峰值peak

Part Number: LMH6629
Other Parts Discussed in Thread: THS7530

请教下大家,设计高通滤波器 为什么高频1Ghz会出现峰值peak?是由于 反馈电阻导致的吗?反馈电阻Rf和Rg的比值为3,Rf的取值范围该怎么估算?电路压缩包已上传HPF6629.zip