A Variable Gain, 2.5 GHz CMOS Low-Noise Amplifier for Mobile Wireless Communications

被引：1

作者：

Farid, Nazif Emran ^{[1
]}

Marzuki, Arjuna ^{[2
]}

Rahim, Ahmad Ismat Abdul ^{[1
]}

机构：

[1] TM Innovat Ctr, TM Res & Dev, Microelect & Nano Technol Program, Lingkaran Teknokrat 63000, Cyberjaya, Malaysia

[2] Univ Sains Malaysia, Sch Elect & Elect Engn, Penang 14300, Malaysia

来源：

2009 IEEE 9TH MALAYSIA INTERNATIONAL CONFERENCE ON COMMUNICATIONS (MICC) | 2009年

关键词：

CMOS; low-noise amplifier; noise figure; variable gain; input and output match; attenuator; receiver; transceiver; RF CMOS; DESIGN;

D O I：

10.1109/MICC.2009.5431457

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A two-stage, variable-gain low-noise amplifier (LNA) which offers good matching and good noise performance is demonstrated. A prototype 2.5 GHz LNA is designed and simulated using 0.13 um RF CMOS process technology. The simulated LNA has a maximum gain of 32.6 dB, input return loss of -44.9 dB, and output return loss of -5 dB. It has a noise figure of 1 dB and input P1dB of -33.9 dBm in high-gain mode, and noise figure of 2.6 dB and input P1dB of -14.6 dBm in low-gain (15.4 dB) mode. The complete device draws 20.3 mA of current from a 1.2 V supply for a total power consumption of 24.4 mW.

引用

页码：885 / 889

页数：5

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