Title :
A GSM-GPRS/UMTS FDD-TDD/WLAN 802.11a-b-g multi-standard carrier generation system
Author :
Koukab, Adil ; Lei, Yu ; Declercq, Michel J.
Author_Institution :
Ecole Polytech. Fed. de Lausanne
fDate :
7/1/2006 12:00:00 AM
Abstract :
A compact carrier generation system enabling proper interoperability among quad-band GSM, WCDMA (FDD and TDD), and WLAN (802.11a/b/g) standards is developed. The implementation is achieved in 0.25-mum 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
Keywords :
3G mobile communication; BiCMOS integrated circuits; Ge-Si alloys; cellular radio; code division multiple access; packet radio networks; phase noise; voltage-controlled oscillators; wireless LAN; 0.25 micron; 1 MHz; 2.5 V; 2.5 mA; 3.05 to 4.1 GHz; 400 kHz; BiCMOS process; GSM; IEEE 802.11a; IEEE 802.11b; IEEE 802.11g; SiGe; WCDMA; analog front-end; compact carrier generation system; frequency synthesizer; multi-standard carrier generation system; phase noise; voltage-controlled oscillator; wireless LAN; 3G mobile communication; GSM; Multiaccess communication; Noise measurement; Phase measurement; Phase noise; Standards development; Tuning; Voltage-controlled oscillators; Wireless LAN; Analog front-end (AFE); GSM; UMTS; WLAN; frequency synthesizer; multi-standard; phase noise; phase-locked loop (PLL); voltage-controlled oscillator (VCO); wireless communications;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.2006.873928
