ISSN:0021-8979    

DOI:10.1063/1.1710436

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710437

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710438

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710439

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710440

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710441

出版商:AIP    

年代:1938

数据来源: AIP

摘要:

This paper describes a new method of precalculating the performance of a power tube from its static characteristic curves. The 60‐cycle test method is also briefly outlined and the results of the two methods compared and discussed. An appendix discusses the effect of secondary emission from the plate and grid and primary emission from the grid on the performance of the tube.

ISSN:0021-8979    

DOI:10.1063/1.1710442

出版商:AIP    

年代:1938

数据来源: AIP

ISSN:0021-8979    

DOI:10.1063/1.1710443

出版商:AIP    

年代:1938

数据来源: AIP

摘要:

Amongst electric waves that can be propagated inside metal tubes of circular cross section there are some with attenuation constants diminishing indefinitely with increasing frequency. The purpose of this note is to discuss what happens to these waves as the tubes are slightly deformed from perfect circularity. The conclusion is that in a deformed tube the attenuation constants of the above‐mentioned waves diminish with increasing frequency until a certain frequency is reached, depending upon the degree of departure from perfect circularity, and then they begin to increase indefinitely with further increase in frequency.

ISSN:0021-8979    

DOI:10.1063/1.1710444

出版商:AIP    

年代:1938

数据来源: AIP