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Minimum Noise Figure of Traveling‐Wave Tubes with Uniform Helices

 

作者: J. R. Pierce,   W. E. Danielson,  

 

期刊: Journal of Applied Physics  （AIP Available online 1954）
卷期: Volume 25, issue 9  

页码: 1163-1165

 

ISSN:0021-8979

 

年代: 1954

 

DOI:10.1063/1.1721832

 

出版商: AIP

 

数据来源: AIP

 

摘要:

By using a new theorem concerning noise in electron streams together with work by D. A. Watkins, an expression for the minimum noise figure of a traveling‐wave tube with a uniform helix is deduced. For reasonable values of tube parameters this minimum lies around 6 db.

 

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