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PGA103: 关于两级放大器的电路设计问题(AD8253和PGA103)

Part Number: PGA103

关于两级放大器的电路设计问题,初步选定放大器芯片是AD8253和PGA103,想知道两级放大器的电路设计需要注意些什么问题?比如阻抗匹配之类的,另外,有没有类似的两级放大电路设计给我参考,谢谢!