Title :
A low power low flicker noise merged balun LNA and mixer for 5.2GHz wireless LAN receivers
Author :
Galal, A.I.A. ; Abdelghany, M.A. ; Pokharel, R.K. ; Kanaya, H. ; Yoshida, K.
Author_Institution :
Grad. Sch. of Inf. Sci. & Electr. Eng., Kyushu Univ., Fukuoka, Japan
Abstract :
This paper describes the design and implementation of a merged balun LNA and mixer for the wireless LAN receivers. The proposed architecture of LNA combines the functionality of a balun and LNA in one component. Dynamic current injection (DCI) technique has been used in the mixer circuit to decrease the flicker noise (1/f) corner frequency for the intermediate frequency (IF) output. The LNA and mixer chip covers a frequency range from 4.8 to 5.7 GHz RF signal. The proposed design has been fabricated using TSMC 0.18 μm CMOS process. The measured conversion gain shows 27 dB and a minimum noise figure of 4.8 dB from 10 to 200 MHz IF output. The measured IIP3 shows a -5 dBm, with 14 mA current drawn from a 1.8 V.
Keywords :
CMOS integrated circuits; MMIC amplifiers; MMIC mixers; baluns; field effect MMIC; flicker noise; low noise amplifiers; low-power electronics; radio receivers; wireless LAN; 1/f noise corner frequency; DCI technique; IF output; TSMC CMOS process; current 14 mA; dynamic current injection technique; frequency 10 MHz to 200 MHz; frequency 4.8 GHz to 5.7 GHz; gain 27 dB; intermediate frequency output; low power low flicker noise merged balun LNA; mixer circuit; noise figure 4.8 dB; size 0.18 mum; voltage 1.8 V; wireless LAN receivers; Flicker noise; Low noise amplifier (LNA); Mixer; Wireless LAN;
Conference_Titel :
TENCON 2010 - 2010 IEEE Region 10 Conference
Conference_Location :
Fukuoka
Print_ISBN :
978-1-4244-6889-8
DOI :
10.1109/TENCON.2010.5686142
