在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
由于限幅放大器具有设计简单、功耗低、芯片面积小和外接元件少的优点，本文选择限幅放大器的形式来实现光接收机的主放大器。
The latter one was chosen to realize the main amplifier in our design since it has the features of simple topology, few external components and fast responsibility.
光学放大器，光学放大装置，光学发射机及光涌抑制方法。
Optical amplifier, optical amplifying apparatus, optical transmitter and optical surge suppression method.
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