ON DEFINITION OF CUTOFF FREQUENCY-FT

被引:84
作者
GUMMEL, HK
机构
[1] Bell Telephone Labs., Inc. Murray Hill
关键词
D O I
10.1109/PROC.1969.7509
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The commonly used definition of cutoff frequency fT of bipolar transistors is predicated on the existence of 8 frequency domain in which the magnitude of the current gain, varies inversely with frequency. In the absence of such a domain, the definition is vague. The definition 1/fr=d/df[lm (1/β)] for f→O is proposed. Copyright © 1969 by The Instrtute of Electrical and Electronics Engineers, Inc.
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页码:2159 / &
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