A Low-Power CMOS Low-IF Receiver Front-End for 2450-MHz Band IEEE 802.15.4 ZigBee Standard

Author

Sarhangian, Saeed ; Atarodi, S. Mojtaba

Author_Institution

Micro Electron. Res. & Dev. Center of Iran, Tehran

fYear

2007

fDate

27-30 May 2007

Firstpage

433

Lastpage

436

Abstract

Design of a novel RF front-end structure for 2450-MHz band IEEE 802.15.4 ZigBee standard in a 0.18-mum CMOS process is presented. Utilizing a common-gate structure instead of conventional inductive degenerated common source amplifier, low noise figure is achieved with LNA bias current as low as 1mA. An analytical method is presented to minimize the noise figure of proposed common-gate LNA structure. Together with the LNA, an active Gilbert cell mixer is adopted to convert the RF signal to 2MHz IF signal. Employing an enhanced current re-use structure, simulation results show a conversion gain of 37.7dB, a Noise figure of 5.9dB and an IIP3 of -4dBm for the front-end. The RF front-end dissipates only 2.2mA from 1.8V supply.

Keywords

CMOS integrated circuits; IEEE standards; low noise amplifiers; low-power electronics; mixers (circuits); receivers; 0.18 micron; 1.8 V; 2 MHz; 2.2 mA; 2450 MHz; 37.7 dB; 5.9 dB; CMOS process; IEEE 802.15.4; LNA bias current; RF front-end structure; ZigBee standard; active Gilbert cell mixer; common source amplifier; low-power CMOS low-IF receiver; CMOS process; CMOS technology; Energy consumption; Impedance matching; Inductors; Low-noise amplifiers; Noise figure; Radio frequency; Standards development; ZigBee;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on

Conference_Location

New Orleans, LA

Print_ISBN

1-4244-0920-9

Electronic_ISBN

1-4244-0921-7

Type

conf

DOI

10.1109/ISCAS.2007.378556

Filename

4252664