A new RF CMOS mixer with a high performance in 0.18u technology

被引：0
|
作者：
Salem, RF [1 ]
Tawfik, MS [1 ]
Ragaie, HF [1 ]
机构：
[1] Mentor Graph Corp, Cairo 11341, Egypt
来源：
2002 45TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL II, CONFERENCE PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a new highly linear radio-frequency CMOS mixer is presented. The new mixer is derived from the basic Gilbert multiplier. It achieves an outstanding linearity since the new topology does not contain any tail current branches. A CMOS transistor pair is instead applied to the four cross coupled commutating transistors. Simulations of the extracted layout results show a high linearity improvement over the basic Gilbert mixer, with IIP3 of 31 dBm in 0.8u and 20dBm in 0.18u. Simulations also shows 6dB improvement in the mixer's conversion gain in 0.18u over 0.8u, with 3.2mW power consumption. The new mixer's test chip layout and its extracted simulation characteristics in both technologies are presented.
引用
收藏
页码：262 / 265
页数：4
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