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A Design of Ultra Wide Band Switched-Gain Controlled Low Noise Amplifier Using 0.18 um CMOS

0.18 um CMOS 공정을 이용한 UWB 스위칭-이득제어 저잡음 증폭기 설계

  • Jeong, Moo-Il (Department of Radio Science & Engineering, Hanbat University) ;
  • Lee, Chang-Seok (Department of Radio Science & Engineering, Hanbat University)
  • Published : 2007.04.30

Abstract

A switched-gain controlled LNA is designed and implemented in 0.18 um CMOS technology for $3.1{\sim}4.8\;GHz$ UWB system. In high gain mode, measurement shows a power gain of 12.5 dB, an input IP3 of 0 dBm, while consuming only 8.13 mA of current. In low gain mode, measurement shows a power gain of -8.7 dB, an input IP3 of 9.1 dBm, while consuming only 0 mA of current.

본 논문에서는 CMOS 0.18 um 공정을 이용하여 UWB(Ultra Wide Band) 시스템의 $3.1{\sim}4.8\;GHz$ 대역에서 사용할 수 있는 스위칭-이득 제어 저잡음 증폭기를 설계하였다. 높은 이득 모드에서 전력 이득은 12.5 dB, IIP3는 0 dBm, 소비 전류는 8.13 mA로 측정되었으며, 낮은 이득 모드에서는 전력 이득 -8.7 dB, IIP3는 9.2 dBm, 소비 전류는 0 mA로 측정 되었다.

Keywords

References

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