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求音频放大滤波电路设计

Other Parts Discussed in Thread: OPA627

求高手(熟悉OPA627,AD797等运放),音频放大1000倍以上(可调)保持平稳的低噪声,滤波器截止频率待定。,48K   16位以上采样率,录音存储。高手留下联系方式,或者直接短信18693811938,费用详谈。