采取两级放大电路,选什么好呢
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你好,
请问你放大信号的幅度范围是多大,频率范围是多大,对稳定度有多高的要求。所放大的信号是直流信号,还是脉冲信号?
建议选用NE5532,音频前置放大芯片,带宽频响都不错,以前人玩DIY--HIFI的常用,或选用类似的芯片也不错