Quad band digitally controlled oscillator for WCDMA transmitter in 90nm CMOS

被引：10
|
作者：
Akhtar, Siraj [1 ]
Ipek, Mehmet [1 ]
Lin, Jerry [2 ]
Staszewski, Robert Bogdan [1 ]
Litmanen, Petteri [1 ]
机构：
[1] Texas Instruments Inc, 12500 TI Blvd, Dallas, TX 75243 USA
[2] MStar Semicond, Irvine, CA USA
来源：
PROCEEDINGS OF THE IEEE 2006 CUSTOM INTEGRATED CIRCUITS CONFERENCE | 2006年
关键词：
3G; 90nm; DCO; divider; wide modulation range; polar transmitter; WCDMA;
D O I：
10.1109/CICC.2006.320849
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：
We present the first published implementation and measurements of a fully integrated phase path for a 3G polar transmitter in deep sub micron CMOS. It includes a single quad band digitally controlled oscillator (DCO) providing modulation capability to handle the wide bandwidth of the WCDMA phase (frequency) data and a switched inverter divider. The complete chip, with integrated LDOs, consumes 20mA from a 1.4V supply while providing a PN of -157dBc/Hz at a 40MHz offset for a 2GHz output.
引用
收藏
页码：129 / 132
页数：4
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