Title :
A.C. small-signal model for bipolar transistors in saturation
Author_Institution :
Philips Research Laboratories, NV Philips´ Gloeilampenfabrieken, Eindhoven, Netherlands
Abstract :
A modified charge-control theory is used to derive a small-signal equivalent circuit which is valid in saturation. From this circuit can be deduced the fT(Ic) and the transconductance gfb(Ie), for example, which are compared with measurements. A short discussion of the results is given.
Keywords :
bipolar transistors; equivalent circuits; semiconductor device models; bipolar; equivalent circuit; modelling; semiconductor devices; transistors;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19710050