Title :
A 2 GHz and 5GHz dual-band direct conversion RF frontend for multi-standard applications
Author :
Hwang, Yong-Seok ; Yoo, Sang-Sun ; Yoo, Hyung-Joun
Author_Institution :
Sch. of Eng., Inf. & Commun. Univ., Daejeon
Abstract :
A dual-band direct conversion receiver front-end is designed in 0.18 mum CMOS process. It is composed of two LNAs and a dual-band mixer. A dual-band mixer uses the switched inductor matching network to select the bands such as 2 GHz and 5 GHz band. Two LNAs are switched according to the operation frequency, and the gain is controlled for multi-standard capability; thus it can be applied to a multi-standard transceiver that covers WCDMA and 802.11a/b/g
Keywords :
CMOS integrated circuits; IEEE standards; MMIC; UHF integrated circuits; low noise amplifiers; microwave receivers; mixers (circuits); 0.18 micron; 2 GHz; 5 GHz; CMOS process; IEEE 802.11a/b/g; WCDMA; direct conversion RF front-end; dual-band RF front-end; dual-band mixer; low-noise amplifier; multistandard transceiver; operation frequency; switched inductor matching network; Communication standards; Communication switching; Dual band; Gain control; Inductors; Mixers; Radio frequency; Transceivers; Virtual colonoscopy; Wireless communication;
Conference_Titel :
SOC Conference, 2005. Proceedings. IEEE International
Conference_Location :
Herndon, VA
Print_ISBN :
0-7803-9264-7
DOI :
10.1109/SOCC.2005.1554492
