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DS90UB936-Q1: FPD-Link III 4GHz PCB design guide

Part Number: DS90UB936-Q1

你好,我的芯片搭配的poc线路在测试的时候使用频段的某一50MHZ带宽内的回波损耗出现了一个-20dB的向下的尖峰,尖峰位置相位频率曲线的斜率基本保持一定值、群延时也在1nS范围内波动;同一频谱位置插损升高0.1dB左右;理论上来说这种显示信号传输过程中这一频段的反射更少了,匹配更优了?想咨询下在解析的时候是否会影响接收信号的稳定性,提高误码率?