智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
驱动放大器放大信号到一个可以接受的输入量级以驱动功率放大器，放大后的射频信号被传送到天线分离滤波器进行滤波，最后通过天线发射出去。
The driving amplifier enlarges signal to reach an adaptive level in order to drive the power amplifier. The enlarged signal is delivered to a filter and transmitted through an antenna.
射频功率放大器模块是无线通信收发器中的重要模块，它的作用是放大高频信号至所需的功率，并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
射频功率放大器模块是无线通信收发器中的重要模块，它的作用是放大高频信号至所需的功率，并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
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