It is composed of an amplifier stage, two stages of source follower and a feedback resistance, and use a single supply voltage.
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。
As improved, input buffer circuitry comprises a pull up stage to pull up the voltage of the differential amplifier output slightly higher during an output low condition.
作为改进，输入缓冲电路组成的阶段拉一拉期间的输出低的条件差分放大器的输出电压略高。
Of course, with only one triode, there wasn't going to be an RF amplifier stage.
当然，借由只有三极真空管，那里不将是一个射频喇叭筒阶段。
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