A GSM-GPRS/UMTS FDD-TDD/WLAN 802.11a-b-g multi-standard carrier generation system

被引：35
作者：
Koukab, Adil [1 ]
Lei, Yu [1 ]
Declercq, Michel J. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, LEG IMM, CH-1015 Lausanne, Switzerland
来源：
IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2006年 / 41卷 / 07期
关键词：
analog front-end (AFE); frequency synthesizer; GSM; multi-standard; phase noise; phase-locked loop (PLL); UMTS; voltage-controlled oscillator (WO); wireless communications; WLAN;
D O I：
10.1109/JSSC.2006.873928
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 compact carrier generation system enabling proper interoperability among quad-band GSM, WCDMA (FDD and TDD), and FLAN (802.11a/b/g) standards is developed. The implementation is achieved in 0.25-mu m BiCMOS-SiGe process. The measured tuning range is higher that 1 GHz (3.05 to 4.1 GHz) exceeding the specifications by 25%. The voltage-controlled oscillator (VCO) exhibits a phase noise of -118 and -125 dBc/Hz measured, respectively, at 400 kHz and 1 MHz offsets while drawing 2.5 mA from 2.5 V supply. The measured phase noise at 400 kHz offset of the PCS/DCS output local-oscillator (LO) signal and the GSM output LO signal is, respectively, -124 dBc/Hz and -130 dBc/Hz.
引用
收藏
页码：1513 / 1521
页数：9
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