DE2010480C3 - High performance klystron - Google Patents

Description

Equal ronispaning share

is greater than

"In AuN-üesialtumi the invention is provided. Yes! .J the Fl'ekfronensirahl aK Hohlstrah! is trained. The present invention now proceeds from ignorance from "that in a resonance circuit with ·. jleilter or extended interaction the ei -, --.- ironic Load strongly from the Strablgesehwnv,; :: - ability; .bhani: i. With a suitable choice of the jet group -.!:, - ditikei: can annaiu the electronic load must be made to be "zero". This also applies to Pcrv zcn. the Völler are as 2 (i.e. .2 ■ 10- «A V--) has üezeii; t. that the pen can / me thereby is iirenzt. that the mean geometric para two successive resonators must be quarter plasma wavelength. and dalx '

characterized that the section of extensive ao said circles still sufficiently hoci.frequen / m '; ·

Interaction are decoupled from in a manner known per se.

helical line structures are formed. On the basis of the shear in the figure of the drawing,

embodiment shown in the table, the I finduna below with further features na ::.

25 will be explained.

From the electron beam generation system 1. esp. hcnd from an annular cathode 2, em Wehnelt-F.leki.'ode 3 and one preferably as Ni. Dulationsanode trained pull anode 4 is

extended interaction and jinem electron beam catcher.

The invention relates to a high performance klystron.

especially for television broadcasting, with a

Electron beam generating system, a number of 30 highly perverse electron hollow beam 18 is generated. -U-.

a bundled electron beam guided through after passing through the resonator chambers 5 and u

set Rcsona'or chambers with sections in an electron provided with a cooling plate. ;: ■

beam catcher 8 arrives. To the bundled guide; of the electron beam 18 are suitably arranged. .

Hochlcistungsklystrons are preferably provided in the UHF 35 and sized electromagnets 9, wob.ι

Area for the transmission of television programs, preferably between the entire magnet arrangement

set, it being mainly arranged on pole plates 10 in this area.

high transmission quality is important. To this the embodiment according to the figure shows a high demands, especially on the linearity of the five-chamber klystron, where simplicity h ;;! be ~ the amplification, to comply, one must KIy- 40 the corresponding to the resonator chambers 5 aufgs. strons For television purposes with a beam permeance, chambers two and three were not marked Operate electron beam that are smaller than 2 net. The fifth resonator chamber 6 gives way a little (Compare with "Broadcast technical information - from the structure of the previous resonator camps", Volume 12, 1968, No. 6, pp. 262 to 268, as well as mern 5 from. to optimally adapt to the here "NTZ", 1966, No. 6, p. 335 ff.). The reason for this is the reduced electron beam speed present to create the high (only positive) electronic workload. In the resonator chambers are performance of the resonators by the electron beam. helical retardation structures 11 and 12 It is also stated that it is intended to replace the usual narrow-handed Television qualities Mie qualities of the resonators in the digen interaction between the beam and A broadband gap is tuned essentially by the external loads meant to be. extended interaction zone according to Jer so-

To form klystrons with extended interaction,
called "Extended Interaction Khystrons". which are already known per se to prevent disruptive backward waves, have so far also been operated with per- on the delay sections 11 and 12 are veanzen smaller than 2 (compare here not shown measures known per se The delay structures 11 and 12 are VICES ”, January 1961, pp. 44 to 55, in particular with the inner conductors 13, 14 and 15 of Koaxial-p. 49, left column below). Coupling parts connected, each by germ in contrast to these known klystrons, ramikfenster 16 and 17 are provided against the vacuum present inside the regular present invention with a klystron 60 sonator chambers high power of the type mentioned.

1 sheet of drawings

Claims (3)

Patent claims: suggest that the perveance of the electron beam, defined as beam perveance q - = LU- [K) '■ A Υ- · | DC component and U ais dem 1. High-performance klystron, especially for television broadcasting, with an electron beam generating system, a number of resonator chambers penetrated by a bundled guided electron beam with sections of extensive interaction and an electron beam catcher, characterized in that the pervance of the electron beam, defined as Sirahlperveanz q - l / U ^{: i} - (K) "A \ ^{:; J} | with / ;; Is the direct current component and V as the direct voltage component of the electron beam," is less than 3. 2. Klystron according to claim 1, characterized in that the electron beam is a hollow beam is trained. 3. Klystron according to claim 1 or 2, characterized of the electron beam. with / 'as the