...ility Transistor）可达600GHz高振荡频率和从微波到毫米波段的超低噪声性能，多级毫米波低噪放大器（LNA，Low Noise Amplifier）在62GHz仅有1.7 dB NF。
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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.
除了大功率，由于低相噪和低杂散，该放大器也提供改进的性能。
In addition to high power, the amplifiers also provide improved performance due to very low phase noise and spurious.
第三章为低噪声放大器优化设计与应用，设计和实现了两种不同低噪放电路并且对其级联方式进行了研究。
In chapter three, the designation and application of the low noise amplifiers (LNA) are optimized, and two different LNAs circuits and their cascade connection are both studied.
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