A high performance CMOS direct down conversion mixer for UWB system

被引：10

作者：

Phan, TA ^{[1
]}

Kim, CW ^{[1
]}

Shim, YA ^{[1
]}

Lee, SG ^{[1
]}

机构：

[1] Informat & Commun Univ, RFME Lab, Taejon 305714, South Korea

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2005年 / E88C卷 / 12期

关键词：

mixers; direct conversion mixer; flicker noise; UWB; CMOS integrated circuit;

D O I：

10.1093/ietele/e88-c.12.2316

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a high performance wideband CMOS direct down-conversion mixer for UWB based on 0.18 mu m CMOS technology. The proposed mixer uses the current bleeding technique and an extra resonant inductor to improve the conversion gain, noise figure (NF) and linearity. Also, with an extra inductor and the careful choosing of transistor sizes, the mixer has a very low flicker noise. The shunt resistor matching is applied to have a 528 MHz bandwidth matching at 50 Ohm. The simulation results show the voltage conversion gain of 20.5 dB, the double-side band NF of 5.6 dB. Two-tone test result indicates 11.25 dBm of IIP3 and higher than 70 dBm of IIP2. The circuit operates at the supply voltage of 1.8 V, and dissipates 11.5 mW.

引用

页码：2316 / 2321

页数：6

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