用VCA821对一个宽频率范围(100MHz以上)、幅值有400mv的信号的程控增益。同学介绍说VCA821在用作衰减时性能不理想,大概50MHz就会有失真。想问下:这是电路设计部合理,还是器件不能满足这个指标?
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.
用VCA821对一个宽频率范围(100MHz以上)、幅值有400mv的信号的程控增益。同学介绍说VCA821在用作衰减时性能不理想,大概50MHz就会有失真。想问下:这是电路设计部合理,还是器件不能满足这个指标?