High-Frequency Analysis of SOI Lateral Bipolar Transistor (LBT) Structure for RF Analog Applications (CROSBI ID 483974)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Suligoj, Tomislav ; Koričić, Marko ; Biljanović, Petar
engleski
High-Frequency Analysis of SOI Lateral Bipolar Transistor (LBT) Structure for RF Analog Applications
The Lateral Bipolar Transistor (LBT) on SOI substrate for RF analog applications with extrinsic base on the top of the collector n-region is analyzed. The extrinsic base affects fT and fmax in several ways. First, it increases CBC making it dependent on lithography resolution. Second, depending on collector-base voltage, a collector base depletion region decreases the effective collector crosssection area thus causing the Kirk effect to occur at lower collector currents. Third, the electrons injected from emitter flows partly through the extrinsic base - collector depletion region increasing the effective transit time. In respect with those effects, the technological parameters are varied and the impact on fT and fmax are analyzed. It is shown that the increase of fT can be achieved without sacrificing fmax considerably only by changing device geometry, still using the same doping profile of the intrinsic transistor region.
lateral bipolar transistor; SOI; fT; fmax; Kirk effect; transit time
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Podaci o prilogu
1191-1194-x.
2002.
objavljeno
Podaci o matičnoj publikaciji
Proc. of ICECS 2002
Barić, Adrijan; Magjarević, Ratko; Pejčinović, Branimir
Podaci o skupu
The 9th International Conference on Electronics, Circuits and Systems
predavanje
15.09.2002-18.09.2002
Dubrovnik, Hrvatska