Delay line for traveling wave tubes, in particular to the amplif

Details Delay line for traveling wave tubes, in particular to the amplif Delay line for traveling wave tubes, in particular to the amplif

1977-06-13

1979-03-06

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

315 35, 315 36, 333 33, H01J 2534, H01J 2324, H01P 508

Patent

active

041433416

ABSTRACT:
A delay line for traveling wave tubes, in particular for the amplification of mm waves, has a wave guide which is provided with outward-leading transverse walls each of which has a central electron beam opening and at least one coupling opening and which form a line cell with the adjacent transverse wall. The delay line contains two portions having a different constant delay for the line wave, where the delay of the front line portion, considered in the direction of the electron beam, is lower than the delay of the rear line portion. A transition section is arranged between these two portions for matching and comprises a single matching cell in which at least one of the two transverse walls of the matching cell carries at least one matching pin which projects into the interior of the cell.

REFERENCES:
patent: 3466576 (1969-09-01), Bert
patent: 4066927 (1978-01-01), Gross

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