An 180 nm CMOS single inverter 2.4 GHz LC oscillator

Queennie Lim Suan Imm, Albert Victor Kordesch, Burhanuddin Yeop Majlis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The LC oscillator is one type of harmonic oscillator that can be designed to generate single-ended, differential or quadrature signals. The oscillator that we have developed is a single-ended LC oscillator using only one inverter, one inductor and one capacitor in its tank circuit. The 2.4 GHz oscillator is realized using Silterra's industry standard 180 nm RF CMOS fabrication technology. The single-ended single inverter LC oscillator is actually half of the typical differential cross-coupled LC oscillator with an additional RC start-up circuit. The LC oscillator output is connected to an on-chip dynamic prescaler that divides by 14, followed by a static binary frequency divider that divides by 256. The mean measured oscillator frequency is 2.098 GHz, about 12% lower than expected. This difference is due to parasitic interconnect capacitance in the circuit. The frequency of the 18 oscillators has a very small sigma of 0.514%. The oscillator frequency shows very little dependence on temperature.

Original languageEnglish
Title of host publication2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings
Pages237-241
Number of pages5
Volume2005
DOIs
Publication statusPublished - 2005
Event2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Johor
Duration: 20 Dec 200521 Dec 2005

Other

Other2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005
CityJohor
Period20/12/0521/12/05

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Networks (circuits)
Capacitors
Capacitance
Fabrication
Industry
Temperature

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Imm, Q. L. S., Kordesch, A. V., & Yeop Majlis, B. (2005). An 180 nm CMOS single inverter 2.4 GHz LC oscillator. In 2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings (Vol. 2005, pp. 237-241). [1607815] https://doi.org/10.1109/APACE.2005.1607815

An 180 nm CMOS single inverter 2.4 GHz LC oscillator. / Imm, Queennie Lim Suan; Kordesch, Albert Victor; Yeop Majlis, Burhanuddin.

2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings. Vol. 2005 2005. p. 237-241 1607815.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Imm, QLS, Kordesch, AV & Yeop Majlis, B 2005, An 180 nm CMOS single inverter 2.4 GHz LC oscillator. in 2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings. vol. 2005, 1607815, pp. 237-241, 2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005, Johor, 20/12/05. https://doi.org/10.1109/APACE.2005.1607815
Imm QLS, Kordesch AV, Yeop Majlis B. An 180 nm CMOS single inverter 2.4 GHz LC oscillator. In 2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings. Vol. 2005. 2005. p. 237-241. 1607815 https://doi.org/10.1109/APACE.2005.1607815
Imm, Queennie Lim Suan ; Kordesch, Albert Victor ; Yeop Majlis, Burhanuddin. / An 180 nm CMOS single inverter 2.4 GHz LC oscillator. 2005 Asia-Pacific Conference on Applied Electromagnetics, APACE 2005 - Proceedings. Vol. 2005 2005. pp. 237-241
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