Title :
A low supply voltage dualband low noise amplifier design
Author :
Hsiao, Chih-Lung ; Huang, Yi-Lun
Author_Institution :
Dept. of Electr. Eng., Lunghwa Univ. of Sci. & Technol., Taoyuan, Taiwan
Abstract :
A low voltage dual-band low noise amplifier (LNA) is presented in this paper. A folded cascode topology is used to reduce the supply voltage. The supply voltage is only 0.7 V. A concurrent dual-band frequency response is achieved by using a broadband input matching network with a band-reject filter. The operating frequencies are 2-2.5 GHz and 4.2-4.8 GHz. The voltage gains are 16.7 dB at 2.2 GHz and 14.8 dB at 4.6 GHz. The noise figures are 3.53 dB at 2.2 GHz and 2.52 dB at 4.6 GHz. The power consumption is only 7.76 mW.
Keywords :
broadband networks; low noise amplifiers; low-power electronics; band reject filter; broadband input matching network; concurrent dualband frequency response; dualband design; folded cascode topology; frequency 2.2 GHz; frequency 4.2 GHz to 4.8 GHz; frequency 4.6 GHz; gain 14.8 dB; gain 16.7 dB; low noise amplifier; low supply voltage; noise figure 2.52 dB; noise figure 3.53 dB; power 7.76 mW; power consumption; voltage 0.7 V; Broadband amplifiers; Dual band; Frequency response; Gain; Impedance matching; Low voltage; Low-noise amplifiers; Matched filters; Network topology; Noise figure; LNA; Low voltage design;
Conference_Titel :
Consumer Electronics, 2009. ISCE '09. IEEE 13th International Symposium on
Conference_Location :
Kyoto
Print_ISBN :
978-1-4244-2975-2
Electronic_ISBN :
978-1-4244-2976-9
DOI :
10.1109/ISCE.2009.5156920
