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Frank Kearney Dave Frizelle - Analog Devices...模拟对51-02, 2017年2月 3 镜像和所需信号之间的间隔会直接影响到对滤波器的要求。如果 间隔较大,可以使用滚降较缓的简单低成本滤波器。如果间隔较窄,设计必须实现具有陡峭响应的滤波器,通常采用多极点或SAW
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