One of the commonly used methods to reduce this fall-off is by increasing the emitter area.
另一个是如何提高发射极发射电流的有效面积。
The ratio of effectual emitter area to base area of a FFJ is 2-3 times greater than a usual transistor and the output power-impedance product is 5-10 times greater.
与通常晶体管相比，FFJ的有效发射极面积对基极面积之比值提高2～3倍，输出功率-阻抗乘积提高5～10倍。
Emitter performance depends on its own characteristics which include channel form, channel section area, channel section form and channel length.
灌水器的性能取决于灌水器本身的结构参数，主要包括流道形式、流道断面面积、流道断面形式及流道长度。
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