NDLI: Low-power three-path inductor class-C VCO without any dynamic bias circuit

Content Provider	IET Digital Library
Author	Jang, Sheng Lyang Lin, Yan Cu
Abstract	A 2.48 GHz class-C voltage controlled oscillator (VCO) without any dynamic back bias circuit is presented. The VCO uses three-path high Q-factor inductor as the low loss resonator and class-C cross-coupled nMOSFET pairs for high dc/RF conversion efficiency and direct cross-coupled pMOSFET for dc current reuse. At the supply voltage of 1.2 V, the core power consumption is 0.24 mW. The phase noise of the VCO is −124 dBc/Hz and the VCO figure of merit is −197.0 dBc/Hz. The VCO was implemented in the TSMC standard 0.18 μm SiGe BiCMOS process and occupies a die area of 0.799 × 0.809 mm2.
Starting Page	1186
Ending Page	1188
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 17, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.1845
Journal	Electronics Letters
Publisher Date	2017-07-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BiCMOS Integrated Circuit BiCMOS Process Class-C Cross-coupled NMOSFET Pairs Class-C VCO Core Power Consumption Dc Current Reuse Direct Cross-coupled PMOSFET Dynamic Back Bias Circuit Figure of Merit Frequency 2.48 GHz Ge-Si Alloy High Dc-RF Conversion Efficiency Inductor Inductors And Transformer Insulated Gate Field Effect Transistors Low Loss Resonator Low Power Electronics Low-power Three-path Inductor Mixed Technology Integrated Circuit MOSFET Oscillator Phase Noise Power 0.24 MW Power Consumption Q Factor Resonator SiGe Size 0.18 Mum Three-path High Q-factor Inductor TSMC Standard Voltage 1.2 V Voltage Controlled Oscillator Voltage-controlled Oscillator
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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