A grid-controlled traveling wave tube cathode burn-in activation system and method

Abstract

The invention discloses an aging simulation system and method for a negative electrode of a grid-control travelling wave tube, and belongs to the technical field of negative electrode simulation of the travelling wave tube. The aging simulation system for the negative electrode of the grid-control travelling wave tube, disclosed by the invention, comprises a monitoring unit, a power supply unit, afloating plate modulator, a filament power supply, a negative electrode power supply, a collector power supply, a titanium pump power supply, a microwave signal source, a microwave power meter and anattenuator, wherein a simulation object is the travelling wave tube. The invention also discloses the aging simulation method for the negative electrode of the grid-control travelling wave tube, which is used for the aging simulation system for the negative electrode of the grid-control travelling wave tube. The aging simulation of the negative electrode of the grid-control travelling wave tube is achieved, the reliability and the stability of the grid-control travelling wave tube are improved, and the service lifetime of the grid-control travelling wave tube is prolonged; and the following purposes of improving the vacuum degree in the grid-control travelling wave tube, improving insulation performance of each electrode, simulating the activity of the negative electrode and improving theelectron emission capability of the negative electrode of the travelling wave tube can be achieved.

Description

technical field [0001] The present invention relates to a grid-controlled traveling wave tube cathode aging activation system and method, in particular to a method capable of improving the insulation strength of each electrode of the grid-controlled traveling wave tube and the vacuum degree inside the tube, stimulating the cathode activity of the grid-controlled traveling wave tube, and improving the cathode electron density. The invention relates to an aging activation system and method for emission density and output power of a traveling wave tube, belonging to the technical field of cathode activation of a traveling wave tube. Background technique [0002] Grid controlled traveling wave tube is a commonly used vacuum microwave power component. After the traveling wave tube is stored for a long time, the components in the tube will release a small amount of gas, and the vacuum degree and cathode activity in the tube will decrease. The wave tube and its power supply are da...

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Problems solved by technology

[0007] The above documents mainly focus on the burn-in test of continuous wave TWT, and do not mention the cathode burn-in activation of gate-controlled pulse TWT.

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