NDLI: An energy harvesting circuit for GHz on-chip antenna measurement

Content Provider	IEEE Xplore Digital Library
Author	Huyen Le Fong, N. Luong, H.C.
Copyright Year	2011
Description	Author affiliation: EEE Dept., Hong Kong University, Hong Kong (Fong, N.) \|\| ECE Dept., HKUST Hong Kong (Huyen Le; Luong, H.C.)
Abstract	A novel and improved measurement technique for on-chip antenna using energy harvesting circuit is reported. The IC consists of (a) a full-wave rectifier for power measurement and self-powering, and (b) an inverter-based ring oscillator to transform rectifier DC output to frequency domain to improve measurement accuracy. Compared with the conventional direct probing method, the energy harvesting circuit provides the necessary isolation to minimize the radiation measurement error contributed from the relatively larger external measurement components such as wafer probes and bond wires. As demonstration, a 5-GHz differential loop antenna together with the self-powered IC are implemented in a 0.13-μm CMOS technology in a standard digital substrate (15 ohm-cm). The measurement shows within 2-dB accuracy compared with simulation and consistent results over various external loadings. The self-powered IC occupies area of $40-μm^{2},$ and this method can be employed to measure antenna 60-GHz and beyond pending on the device fT.
Starting Page	145
Ending Page	148
File Size	424620
Page Count	4
File Format	PDF
ISBN	9781457705175
e-ISBN	9781457705205
DOI	10.1109/RFIT.2011.6141740
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Radio frequency Ring oscillators Semiconductor device measurement Rectifiers System-on-a-chip Antennas
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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