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Design and characterization of 500°c schmitt trigger in 4H-SiC
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0001-8108-2631
2015 (English)In: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 821-823, 897-901 p.Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

Two versions of Schmitt trigger, an emitter-coupled and an operational amplifier (opamp)-based, are implemented in 4H-SiC bipolar technology and tested up to 500 °C. The former benefits the simplicity, smaller footprint, and fewer number of devices, whereas the latter provides better promise for high temperature applications, thanks to its more stable temperature characteristics. In addition, the measurements in the range 25 °C - 500 °C, shows that the opamp-based version provides negative and positive slew rates of 4.8 V/μs and 8.3 V/μs, ~8 and ~3 times higher than that of the emitter-coupled version, which are 1.7 V/μs and 1 V/μs.

Place, publisher, year, edition, pages
Trans Tech Publications Inc., 2015. Vol. 821-823, 897-901 p.
Keyword [en]
BJT, High temperature IC, Schmitt trigger, SiC, Analog integrated circuits, Bipolar transistors, Characterization, High temperature applications, Operational amplifiers, Bipolar technology, High temperature, Operational amplifier (opamp), Slew rate, Temperature characteristic, Silicon carbide
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Information and Communication Technology
Identifiers
URN: urn:nbn:se:kth:diva-181560DOI: 10.4028/www.scientific.net/MSF.821-823.897Scopus ID: 2-s2.0-84950341514ISBN: 9783038354789 (print)OAI: oai:DiVA.org:kth-181560DiVA: diva2:910574
Conference
ECSCRM 2014
Projects
SSF HOTSiC
Funder
Swedish Foundation for Strategic Research , RE10-0011
Note

QC 20160309

Available from: 2016-03-09 Created: 2016-02-02 Last updated: 2017-11-30Bibliographically approved

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Kargarrazi2015(1972 kB)41 downloads
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Kargarrazi, SalehLanni, LuigiaZetterling, Carl-Mikael
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