Variable-gain up-converter with current reuse for 5-GHz WLAN applications

被引：0

作者：

Presti, Calogero D. ^{[1
]}

Carrara, Francesco ^{[1
]}

Palmisano, Giuseppe ^{[1
]}

机构：

[1] Catania Univ, Dipartimento Ingn Elett Electron & Sistemi, Fac Ingn, I-95125 Catania, Italy

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2007年 / 51卷 / 01期

关键词：

wireless LAN (WLAN); mixer; variable-gain amplifier; linear-in-dB; temperature stability;

D O I：

10.1007/s10470-007-9048-6

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A variable-gain up-conversion mixer for 5-GHz WLAN applications is presented, whose input stage is based on a novel variable gain transconductor. The proposed topology features reduced power consumption by exploiting dc current reuse for mixer biasing. Moreover, a new low-consumption control circuit is introduced, which achieves a temperature-stable and linear-in-dB characteristic, providing a 40-dB dynamic range within +/- 1 dB gain error.

引用

页码：51 / 54

页数：4

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