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1. The IF power amplifier is responsible for transmitting radio signals over long distances.
中频功率放大器负责在长距离内传输无线电信号。
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2. The IF power amplifier was designed to improve the signal-to-noise ratio of the system.
中频功率放大器被设计来提高系统的信号与噪声比。
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3. The IF power amplifier is an essential component in many communication systems.
中频功率放大器是许多通信系统中不可或缺的组件。