该光接收机采用单电源供电，由一级放大器、两级源级跟随器和一个反馈电阻组成。
It is composed of an amplifier stage, two stages of source follower and a feedback resistance, and use a single supply voltage.
针对现有馈电保护开关动作慢的缺点，设计了一种基于双控制器的矿井供电网络漏电检测装置。
To solve the disadvantage of slow action of existing feed protection switches, a leakage detection device for mine power supply network based on dual-controller was designed.
向较远地区供电的馈电线在带负荷前需经过较长的输电距离。
The feeders that served the more distant parts of an area had to go a long way before they picked up any load.
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