Implementation of a CMOS LNA plus mixer for GPS applications with no external components

被引：16

作者：

Svelto, F ^{[1
]}

Deantoni, S

Montagna, G

Castello, R

机构：

[1] Univ Bergamo, Dipartimento Ingn, I-24044 Dalmine, BG, Italy

[2] Studio Microelettron, I-27100 Pavia, Italy

[3] Univ Pavia, Dipartimento Elettron, Pavia, Italy

来源：

IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS | 2001年 / 9卷 / 01期

关键词：

circuit-analog; CMOS; communication; design; low-power design; low-power dissipation; performances tradeoffs;

D O I：

10.1109/92.920823

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A fully differential 0.35-mum CMOS LNA plus mixer, for GPS applications, using no external component apart from an input balun, has been realized. The LNA makes use of an inductively degenerated input stage and a resonant LC load, featuring 12% frequency tuning, accomplished by a MOS varactor. The mixer is a Gilbert cell type in which an NMOS and a PMOS differential pair, shunt together realize the input stage. This topology allows one to save power for given mixer gain and linearity. The front-end measured performances are: 40-dB gain, 3.8-dB NF, -25.5-dBm IIP3, 1.3-GHz input frequency, 140-MHz output frequency, with 8 mA from a 2.8-V supply.

引用

页码：100 / 104

页数：5

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