Harmonic rejection differential N-path notch filter has been used as a miller passive filter along with low noise amplifier in this paper. By using it, both the standard and harmonic blockers are rejected at the RF input node and after the antenna. The noise figure of the front-end at the presence of standard and harmonic blockers (0 dBm) is less than 10 dB inside the whole RF bandwidth of front-end. The total power consumption, conversion gain and harmonic rejection are less than 33.15 (mW), and more than 66.5 and 80 (dB) over the RF bandwidth, respectively. Moreover, the proposed architecture is robust to the temperature and power supply variations such that the NF is less than 4.3 and 3.97 (dB) over the temperature and power supply changes, respectively. The proposed structure has been analyzed and simulated at the schematic level using CMOS 90 nm technology with a 1.5 V voltage supply.

本文将谐波抑制差分N路径陷波滤波器与米勒无源滤波器一起用作低噪声放大器。通过使用它，在射频输入节点和天线之后均可以抑制标准和谐波阻断器。在存在标准和谐波阻塞器（0 dBm）的情况下，前端的噪声系数在前端的整个RF带宽内小于10 dB。在射频带宽上，总功耗，转换增益和谐波抑制分别小于33.15（mW）和大于66.5和80（dB）。而且，所提出的架构对于温度和电源变化是鲁棒的，使得在温度和电源变化的情况下，NF分别小于4.3和3.97（dB）。