On the origin of 1/f noise in polysilicon emitter bipolar transistors

被引:49
作者
Deen, MJ [1 ]
Rumyantsev, SL
Schroter, M
机构
[1] Simon Fraser Univ, Sch Engn Sci, Burnaby, BC V5A 1S6, Canada
[2] Russian Acad Sci, Ioffe Inst, St Petersburg 194021, Russia
[3] Rockwell Semicond Syst, Newport Beach, CA 92660 USA
关键词
D O I
10.1063/1.369256
中图分类号
O59 [应用物理学];
学科分类号
摘要
Low frequency noise in polysilicon emitter bipolar transistors (BJT) with different emitter areas (A(E)) was studied. In BJTs with submicron emitter area, random telegraph signals of different amplitudes and frequencies were found. Averaging of noise spectra from different submicron BJTs gives 1/f noise of the same level (normalized to the emitter area! as 1/f noise found in transistors with large emitter areas. The sheet density of traps (N-T) located within the polysilicon-crystalline silicon interfacial layer and responsible for 1/f noise was estimated to be greater than or equal to 3 x 10(8) cm(-2). (C) 1999 American Institute of Physics. [S0021-8979(99)04202-4].
引用
收藏
页码:1192 / 1195
页数:4
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