The main structure of the mixer adopts two symmetrical single-balanced mixers, with phase-shifting of the up and down path signals to eliminate the image frequency.
混频器主结构采用两只对称的单平衡混频器组合，通过上下两路信号移相来达到消除镜频的目的。
To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.
基于这种背景，本文提出了一种应用于超宽带系统的高性能（低压、高线性度、高变频增益）直接下变频混频器，采用标准的CMOS工艺设计和实现。
A quadrature down-conversion mixer based on this topology is designed and optimized for an ultra high frequency RFID reader.
设计并优化了一个基于共用跨导级结构的用于超高频rfid阅读器的正交下变频混频器。
A lower melting point can be opened directly in the smelting machine or mixer, easy to use, and the melt-down is better, there will be no white points.
熔点较低，可直接投入开炼机或者密炼机中，使用方便，且熔解较好，不会有白点问题。
A lower melting point can be opened directly in the smelting machine or mixer, easy to use, and the melt-down is better, there will be no white points.
熔点较低，可直接投入开炼机或者密炼机中，使用方便，且熔解较好，不会有白点问题。
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