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- Hedayati, RahelehKTH,Integrerade komponenter och kretsar (author)
A Monolithic, 500 degrees C Operational Amplifier in 4H-SiC Bipolar Technology
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- IEEE,2014
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-148621
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148621URI
- https://doi.org/10.1109/LED.2014.2322335DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20140812
- A monolithic bipolar operational amplifier (opamp) fabricated in 4H-SiC technology is presented. The opamp has been used in an inverting negative feedback amplifier configuration. Wide temperature operation of the amplifier is demonstrated from 25 degrees C to 500 degrees C. The measured closed loop gain is around 40 dB for all temperatures whereas the 3 dB bandwidth increases from 270 kHz at 25 degrees C to 410 kHz at 500 degrees C. The opamp achieves 1.46 V/mu s slew rate and 0.25% total harmonic distortion. This is the first report on high temperature operation of a fully integrated SiC bipolar opamp which demonstrates the feasibility of this technology for high temperature analog integrated circuits.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- Bipolar integrated circuits (ICs)
- high temperature ICs
- negative feedback
- operational amplifiers
Added entries (persons, corporate bodies, meetings, titles ...)
- Lanni, LuigiaKTH,Integrerade komponenter och kretsar(Swepub:kth)u1qiot46 (author)
- Rodriguez, SaulKTH,Integrerade komponenter och kretsar(Swepub:kth)u1vuponf (author)
- Malm, Bengt GunnarKTH,Integrerade komponenter och kretsar(Swepub:kth)u13lag9j (author)
- Rusu, AnaKTH,Integrerade komponenter och kretsar(Swepub:kth)u1ymok24 (author)
- Zetterling, Carl-MikaelKTH,Integrerade komponenter och kretsar(Swepub:kth)u15o61ns (author)
- KTHIntegrerade komponenter och kretsar (creator_code:org_t)
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- In:IEEE Electron Device Letters: IEEE35:7, s. 693-6950741-31061558-0563
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