The gain and bandwidth characteristics of backward-wave amplifiers

The problem of designing backward-wave amplifiers to yield specified pass band characteristics is discussed. Detailed universal curves of gain and bandwidth for both single-circuit and cascade amplifiers are presented. Simple charts are developed which facilitate the design procedure. Experimental r...

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Bibliographic Details
Published in:I.R.E. transactions on electron devices 1957-01, Vol.4 (1), p.24-34
Main Authors: Currie, M.R., Forster, D.C.
Format: Article
Language:English
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Summary:The problem of designing backward-wave amplifiers to yield specified pass band characteristics is discussed. Detailed universal curves of gain and bandwidth for both single-circuit and cascade amplifiers are presented. Simple charts are developed which facilitate the design procedure. Experimental results are correlated with the theory and indicate its usefulness. The skirt-selectivity of cascade amplifiers is discussed. A specific design example is given to demonstrate the design method and to indicate the range of bandwidths obtainable from helix-type amplifiers.
ISSN:0096-2430
2379-8661
DOI:10.1109/T-ED.1957.14197