,a low noise amplifier(LNA),a down-conversion mixer,a variable gain amplifier,a low pass filter,and a DC-offset cancellation circuit,are designed based on system design and low noise high linearity considerations.
基于系统设计以及低噪声高线性度考虑,设计了低噪声放大器、直接转换混频器、增益可变放大器、低通滤波器、直流失调抵消电路及其他辅助电路。
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