A wide-band mixer for WCDMA/CDMA2000 in 90nm digital CMOS process

被引：0
|
作者：
Peng, S [1 ]
Chen, CC [1 ]
Bellaouar, A [1 ]
机构：
[1] Texas Instruments Inc, Dallas, TX 75243 USA
来源：
2005 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, DIGEST OF PAPERS | 2005年
关键词：
mixer; second-order input intercept point (IIP2); third-order input intercept point (IIP3); conversion gain; noise figure (NF); WCDMA; CDMA2000;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A wide-band mixer with high linearity and insensitive to process and temperature variations, intended for used in WCDMA and CDMA2000 receivers, is implemented in 90nm digital CMOS process. The measurement data consistently show greater than 7dBm of IIP3 and 52dBm of IIP2 in both low and high frequency bands. In the low frequency band the variation of IIP3 and IIP2 over the temperature range from -20C to 80C is only 0.2 dB and 2.2dB respectively. The whole mixer for I/Q including LO divider and LO buffer consumes less than 8mA in low band and 13mA in high bands.
引用
收藏
页码：179 / 182
页数：4
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