射频滤波器，又名“射频干扰滤波器”，主要用于高频工作的电子设备中，用于较大的衰减高频电子设备所产生的高频干扰信号。
These key modules include IF filter, up-mixer, local oscillator, RF filter, power amplifier, low–noise amplifier, down-mixer.
这些关键模块主要包括中频滤波器、上变频混频器、本振、射频滤波器、功率放大器、低噪声放大器和下变频混频器。
参考来源 - 2.4GHz收发系统射频前端研究及关键模块实现·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了一种应用于C波段接收机射频前端，并利用耦合微带线设计的射频滤波器。
An RF fitter, which is applied to C-band receiver RF front and designed with the coupling micros - trip line, is introduced.
子电路包括低噪声放大器、射频滤波器、混频器、驱动放大器、功率放大器、中频滤波器等。
The subcircuits consist of the low noise amplifier, RF filter, mixer, driver amplifier, image filter, power amplifier, transmit-receive switch and if filter and so on.
作者的解决这个问题是使用可调谐射频前置放大器这也渠道作为一个低通滤波器调谐88-108兆赫时，低端的带异国情调的地方大部分的谎言。
The author's solution to this problem is to use a tuneable RF preamplifier which also acts as a low pass filter when tuning the low end of the 88-108 MHz band where most of the exotic channels lie.
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