DAC3484使用A、B通道作为一个射频的IQ信号,C、D通道作为另一个射频的IQ信号,其中A、B通道的射频镜像抑制正常(大概有3、40dBc),C、D通道的射频镜像功率与主频功率几乎相等,请教一下这种结果正常吗?如果不正常,有哪些方向可以排查?谢谢!
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