A 2.5GHz low phase noise LC VCO for WLAN applications in 0.18-µm CMOS technology

A 2.5 GHz LC voltage controlled oscillator with low phase noise design and optimization is presented. The LC VCO is implemented in 0.18-μm CMOS technology and used for wireless local area network. The proposed VCO achieves phase noise of -128.7 dBc/Hz at 1 MHz offset, -105.4 dBc/Hz at 100 KHz offset...

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Published in2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications pp. 998 - 1001
Main Authors Ji-hai Duan, Jian-ping Li, Chao Qin
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2009
Subjects
1f noise
accumulation MOS
Circuit noise
CMOS technology
Immune system
Inductors
LC-tank
Low-frequency noise
Phase noise
Varactors
VCO
Voltage-controlled oscillators
Wireless LAN
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Abstract A 2.5 GHz LC voltage controlled oscillator with low phase noise design and optimization is presented. The LC VCO is implemented in 0.18-μm CMOS technology and used for wireless local area network. The proposed VCO achieves phase noise of -128.7 dBc/Hz at 1 MHz offset, -105.4 dBc/Hz at 100 KHz offset, 11% tuning range while consuming 3mA in 0.18 V supply.
AbstractList A 2.5 GHz LC voltage controlled oscillator with low phase noise design and optimization is presented. The LC VCO is implemented in 0.18-μm CMOS technology and used for wireless local area network. The proposed VCO achieves phase noise of -128.7 dBc/Hz at 1 MHz offset, -105.4 dBc/Hz at 100 KHz offset, 11% tuning range while consuming 3mA in 0.18 V supply.
Author Jian-ping Li
Chao Qin
Ji-hai Duan
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  organization: Sch. of Inf. & Commun., Guilin Univ. of Electron. Technol., Guilin, China
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  surname: Jian-ping Li
  fullname: Jian-ping Li
  organization: Sch. of Inf. & Commun., Guilin Univ. of Electron. Technol., Guilin, China
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  surname: Chao Qin
  fullname: Chao Qin
  organization: Sch. of Inf. & Commun., Guilin Univ. of Electron. Technol., Guilin, China
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Snippet A 2.5 GHz LC voltage controlled oscillator with low phase noise design and optimization is presented. The LC VCO is implemented in 0.18-μm CMOS technology and...
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StartPage 998
SubjectTerms 1f noise
accumulation MOS
Circuit noise
CMOS technology
Immune system
Inductors
LC-tank
Low-frequency noise
Phase noise
Varactors
VCO
Voltage-controlled oscillators
Wireless LAN
Title A 2.5GHz low phase noise LC VCO for WLAN applications in 0.18-µm CMOS technology
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