A Reconfigurable DCS1800/W-CDMA LNA: Design and Implementation Issues

Author

Moreira, C.P. ; Kerherve, E. ; Jarry, P. ; Belot, D.

Author_Institution

IXL Microelectron. Lab., Talence

fYear

2006

fDate

10-12 Sept. 2006

Firstpage

357

Lastpage

360

Abstract

We present in this article a dual-standard dual-mode low-noise amplifier (LNA) for DCS1800/W-CDMA-FDD applications. In order to save die area compared to conventional parallel LNAs, we have used an alternative circuit configuration. It consists of sharing the most die consuming elements (inductances) in both operation standards, enabling a more compact solution. The mode and standard selection is performed through a bias scheme (MOS switches) that allows alternating between the two involved standards. The LNA die area is 1.0times1.2 mm² and it consumes 6.8 mW (3.8 mA under 1.8 V), including bias circuitry

Keywords

UHF amplifiers; broadband networks; code division multiple access; frequency division multiplexing; low noise amplifiers; 6.8 mW; LNA; W-CDMA-FDD application; bias scheme; die area; dual-standard dual-mode low-noise amplifier; frequency division duplexing; reconfigurable DCS1800; wideband-code division multiple access; Circuit testing; Design optimization; Impedance matching; Laboratories; Low-noise amplifiers; Microelectronics; Multiaccess communication; Noise figure; Packaging; Switches; Low-Noise Amplifier; Multimode; Multistandard; Noise Optimization; Wireless Applications;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Technology, 2006. The 9th European Conference on

Conference_Location

Manchester

Print_ISBN

2-9600551-5-2

Type

conf

DOI

10.1109/ECWT.2006.280511

Filename

4057514