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JSSC 2009第10期RF & Wireless

Analysis and Optimization of Current-Driven Passive Mixers in Narrowband Direct-

分析并优化窄带直接转换接收机中的电流驱动无源混频器性能
未明确提及具体数值
电流驱动无源混频器零中频接收机阻抗变换IQ串扰直接转换
通过频率偏移实现RF和基带阻抗的相互反射
IQ下变频系统中混频器间相互作用的分析
优化设计以提高线性度、转换增益和噪声性能
Abstract
EEE, Hooman Darabi , Senior Member , IEEE, John C. Leete , Member , IEEE, Xinyu Chen, Member , IEEE, Kevin Juan , Member , IEEE, and Ahmad Y azdi, Member , IEEE Abstract—Properties of the current-driven passive mixer are ex- plored to maximize its performance in a zero-IF receiver. Since there is no reverse isolation between the RF and baseband sides of the mixer, the mixer reflects the baseband impedance to the RF and vice versa through simple frequency shifting. It is also shown that in an IQ d