Title :
A dual-band concurrent RF front-end receiver design for GPS and Bluetooth applications
Author :
Chen, Po-Da ; Chen, Cheng-Hung ; Chang, Win-Ming ; Cheng, Kuo-Hua ; Jou, Christina F.
Author_Institution :
Inst. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
This paper presents a new concurrent dual-band radio frequency receiver front-end design that is intended for Global Positioning System (GPS) and Bluetooth applications. A low IF architecture was chosen for low-cost and low-power purpose. Using a dual-band sub-harmonic mixer make this new concurrent dual-band receiver architecture requires only a single frequency synthesizer so the chip area could be reduced. This concurrent frequency synthesizer only needs to provide 0.784GHz and 1.24GHz local frequency signals in this dual-band topology. This receiver is operated at 1.8V, and the simulation shows a voltage gain of 27.7dB at 1.57GHz and 24.2dB at 2.45GHz, a noise figure of 4.13dB at 1.57GHz and 6.84dB at 2.45GHz with a total power consumption of 22.2mW.
Keywords :
Bluetooth; Global Positioning System; frequency synthesizers; mixers (circuits); radio receivers; 0.784 to 1.24 GHz; 1.57 GHz; 1.8 V; 2.45 GHz; 22.2 mW; 24.2 dB; 27.7 dB; 4.13 dB; 6.84 dB; Bluetooth; GPS; Global Positioning System; RF front-end receiver design; chip area; dual-band receiver design; dual-band subharmonic mixer; dual-band topology; frequency synthesizer; low IF architecture; noise figure; power consumption; radiofrequency receiver front-end design; Bluetooth; Dual band; Energy consumption; Frequency synthesizers; Global Positioning System; Noise figure; Radio frequency; Receivers; Topology; Voltage;
Conference_Titel :
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Print_ISBN :
0-7803-9433-X
DOI :
10.1109/APMC.2005.1606454
