专家你好,为什么我VCA810调试时,放大倍数随着频率的增加,放大倍数减小啊,我的信号才3MHZ
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Wayne,
1、Signal bandwidth and slew rate remain constant over the entire gain adjust range.
不存在带宽增益的限制。
2、你给的图不是信号的频响图,是增益的频响图,是在Vc引脚输入 10mVpp 的信号测得的。
ziyang,
能否帮确认几个问题:
1、P1输入信号的幅值是多少?
2、P2上使用什么探头连到示波器上测量的?
能否用两支探头分别接在P1 P2 处,上传输入、输出信号的波形?