It is of high accuracy, high speed and flexible adjustable range.
具有精确度高、速度快、可调范围大的优点。
This circuit has the characteristics of low power, wide gain adjustable range and wide bandwidth.
该电路具有低功耗、增益可调范围宽和频率范围宽的特点，适用于一般的中频接收机。
The larger the adjustable range of the above two with stable results, the better the repeatability is.
测定结果保持稳定时，上述二者的可调范围愈大，重复性愈好。
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