You should broaden your frequency range.

把你的频率放宽一点。

Show impedance graphs for frequency range.

频率范围显示阻抗图。

We use the term bandwidth to represent such a frequency range.

我们用频带宽度这个词来代表这样的频率范围。

It leads to higher harmonics amplitudes in lower frequency range.

它产生低频段的高振幅。

Signal frequency range is also adjustable according to requirements.

信号频率幅度也按要求可调。