The single-event effect sensitivity of three different commonly employed current mirror circuits, as well as an unconventional inverse-mode current mirror, all implemented in C-SiGe (NPN + PNP) HBT on SOI technology are investigated. Comparisons of the measured data of the basic NPN and PNP current mirror circuits show higher single-event radiation tolerance of PNP SiGe HBTs compared with NPN SiGe HBTs. The concept of utilizing inverse-mode SiGe HBTs in current mirror circuits is investigated. Measurement results validate the feasibility of employing inverse-mode PNP SiGe HBTs in current mirrors and show an excellent resilience against ion-strikes. Full 3-D NanoTCAD models of the SiGe HBTs are developed and used in mixed-mode TCAD simulations (within Cadence) to validate the measurement results. Finally, based on the measurement data and analysis of the four current mirrors, some practical suggestions and observations are offered for operation of such circuits in extreme environments.
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Song, Ickhyun
Jung, Seungwoo
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Jung, Seungwoo
Lourenco, Nelson E.
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Lourenco, Nelson E.
Raghunathan, Uppili S.
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Raghunathan, Uppili S.
Fleetwood, Zachary E.
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Fleetwood, Zachary E.
Cho, Moon-Kyu
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Cho, Moon-Kyu
Roche, Nicholas J-H.
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George Washington Univ, Washington, DC 20052 USA
US Navy, Res Lab, Washington, DC 20375 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Roche, Nicholas J-H.
Khachatrian, Ani
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US Navy, Res Lab, Washington, DC 20375 USA
Sotera Def, Annapolis Jct, MD 20701 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Khachatrian, Ani
Warner, Jeffrey H.
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US Navy, Res Lab, Washington, DC 20375 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Warner, Jeffrey H.
Buchner, Stephen P.
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US Navy, Res Lab, Washington, DC 20375 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Buchner, Stephen P.
McMorrow, Dale
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US Navy, Res Lab, Washington, DC 20375 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
McMorrow, Dale
Paki, Pauline
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Def Threat Reduct Agcy DTRA, Ft Belvoir, VA 22060 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
Paki, Pauline
Cressler, John D.
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Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA