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ADS5402多通道模拟前端的问题

Other Parts Discussed in Thread: ADS5402, LMH6521

您好,我们使用两片ADS5402组成4个通道分别对4路数据进行高速采样。每一路输入中频大概有将近100M带宽,中心频率140M,信号功率足够,只需要做单端转差分,阻抗都是50ohm。现在我们希望获得尽可能好的通道间一致性和通带平坦度,想问一下前端是变压器好还是差分放大器好?