A low power CMOS receiver for a tissue monitoring NMR spectrometer

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

3 Scopus citations

Abstract

This paper presents a low power CMOS nuclear magnetic resonance (NMR) receiver chip for monitoring of small tissue samples within the human body. We present preliminary results from a prototype spectrometer focused on the phosphorus (31P) spectra operated in a 5 Tesla B0 magnet. The prototype, fabricated in a 130nm CMOS technology, occupies an active area of 0.215mm2 and consumes 4mA from a single 1.5V supply. The low-IF receiver chip exploits Q enhanced voltage multiplication, includes a down converting RF frontend, a frequency synthesizer operating at 86MHz and 2 nd order sigma-delta ADCs. Measured results from the prototype are used to validate the circuit architectural decisions.

Original languageEnglish (US)
Title of host publication2010 Symposium on VLSI Circuits, VLSIC 2010
Pages221-222
Number of pages2
DOIs
StatePublished - Oct 22 2010
Event2010 24th Symposium on VLSI Circuits, VLSIC 2010 - Honolulu, HI, United States
Duration: Jun 16 2010Jun 18 2010

Publication series

NameIEEE Symposium on VLSI Circuits, Digest of Technical Papers

Other

Other2010 24th Symposium on VLSI Circuits, VLSIC 2010
CountryUnited States
CityHonolulu, HI
Period6/16/106/18/10

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