step attenuator

• 分压器,分级衰减器

step attenuator的用法和样例：

例句

1. And it can be used as variable optical attenuator and electro-optic detector, too.
   同时可以用作保偏可调光衰减器和电光探测器。
2. An amplifier or attenuator may be needed to ensure that the required level of power is transmitted through the switch.
   可能就需要一个放大器或衰减器，以确保通过开关传输所需的功率。