前置放大器是光接收机前端中最重要的组件之一，它直接影响光接收机的速度、噪声、灵敏度等整体性能。
Preamplifier is one of the most important components in photoreceiver front-end. It directly affects the performance of light receivers such as speed, noise and sensitivity.
分布式放大器以其超宽带、低噪声、高增益等特性成为光接收机前置放大器的优良选择方案。
Distributed amplifier which has characteristics of ultra-wideband, low noise, high gain etc is a good option of photoreceiver pre-amplifier.
作为光接收机的关键部分，前置放大器的性能在很大程度上决定了整个光接收机的性能。
The performance of a preamplifier has great effect on the performance of an optical receiver.
光接收机前端放大电路主要由两个关键电路构成：前置放大器和主放大器。
The front-end amplifier for optical receiver is made up of two important circuits: preamplifier and main amplifier.
在用于光纤传输系统的几个功能电路中，构成光接收机前端放大电路的前置放大器和主放大器是两个关键电路。
In the building blocks of an optical transmission system, the pre-amplifier and the main amplifier are the critical parts.
在用于光纤传输系统的几个功能电路中，构成光接收机前端放大电路的前置放大器和主放大器是两个关键电路。
In the building blocks of an optical transmission system, the pre-amplifier and the main amplifier are the critical parts.
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