在做无线通信的项目,采集的信号是差分信号,几十uV到几百uV,选用INA128进行差分转单端,发现信号会时有时无,并且呈现周期性,电路图在附件中。之前也用过ADI的芯片效果也不理想。
请问是否有推荐的微弱信号采集前端电路呀?
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在做无线通信的项目,采集的信号是差分信号,几十uV到几百uV,选用INA128进行差分转单端,发现信号会时有时无,并且呈现周期性,电路图在附件中。之前也用过ADI的芯片效果也不理想。
请问是否有推荐的微弱信号采集前端电路呀?