This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

前置运放增益变化原因

Other Parts Discussed in Thread: VCA810, OPA690

你好,我用opa690与vca810搭了一个增益可控的前置运放模块,但是低频时增益稳定,但频率一高(从1M起,到10M,逐渐增加),它的增益却下降了(没有调vca810),我想问一下是寄生电感还是其它什么因素在影响。