Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Incorporation of mechanical noise in the SPICE model of a piezoelectric transducer
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
2008 (English)In: Proceedings of the International Congress on Ultrasonics: Vienna, April 9-13, 2007, International Congress on Ultrasonics , 2008Conference paper, Published paper (Refereed)
Abstract [en]

SPICE models of a piezoelectric device and the ultrasound propagation medium can be used in a simulator intended for electronic circuits and IC design to make efficient system level optimizations. This paper presents the inclusion of mechanical noise in the SPICE model of an ultrasound system. The modeling of the noise is based on the mechanical thermal noise which is equivalent to electronic Johnson (thermal) noise. For a system with a high-Q piezoelectric device designed into a medium-Q transducer the main energy loss, and thus also the main noise contribution, will occur in backing and sound propagation media. Thus, the modeling of the mechanical noise is performed by including electrical noise generation in the resistors that model these media in the electrical equivalent circuit. The resulting output voltage noise follows theoretical derivations of transducer noise as published by Farlow and Hayward. Simulations of a 4 MHz Pz27 piezoelectric disc with a diameter of 8 mm give a peak spectral noise density over 1 nV / √Hz, which is comparable to that achievable with low-noise preamplifiers.

Place, publisher, year, edition, pages
International Congress on Ultrasonics , 2008.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-30451DOI: 10.3728/ICUltrasonics.2007.Vienna.1277_johanssonLocal ID: 442a1180-e835-11db-b9a9-000ea68e967bOAI: oai:DiVA.org:ltu-30451DiVA: diva2:1003678
Conference
International Congress on Ultrasonics : 09/04/2007 - 12/04/2007
Note
Godkänd; 2008; 20070403 (heering)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

Open Access in DiVA

fulltext(341 kB)72 downloads
File information
File name FULLTEXT01.pdfFile size 341 kBChecksum SHA-512
d5f78adfe04845f51e6f6424dcef795909ed977de6561203032b48091acafafe9cd4c0bbaf69a04de7dff1501f09327113681ef8ac49a2b11e567b6a1bbdce83
Type fulltextMimetype application/pdf

Other links

Publisher's full texthttp://www.icultrasonics.org/

Authority records BETA

Johansson, JonnyBorg, Johan

Search in DiVA

By author/editor
Johansson, JonnyBorg, Johan
By organisation
Embedded Internet Systems Lab
Other Electrical Engineering, Electronic Engineering, Information Engineering

Search outside of DiVA

GoogleGoogle Scholar
Total: 72 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 15 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf