Adjustable integrated high-voltage grid electrode pulse modulator

Abstract

The invention relates to an adjustable integrated high-voltage grid electrode pulse modulator. An improved design is conducted on a filament high potential power supply circuit, a positive biased high potential power supply circuit, a negative biased high potential power supply circuit and a grid electrode pulse modulator circuit, and the high dense integration of the three high potential power supply circuits and the grid electrode pulse modulator circuit is achieved; a feedback circuit of a high potential power supply is improved, a magnetism feedback high voltage isolation sampling technology is adopted, and respectively independent adjustment to the high potential power supply output voltage values is achieved at the low voltage side; a high potential integrated failure detecting circuit is added, and the high potential power supply multi-circuit failures are integrated into one circuit signal; a pulse driving circuit is improved, and a dual-level denoising circuit is added; a grid electrode floating plate modulating circuit is improved, and an fire-making resistance protection circuit protection modulator and a traveling wave tube are added; a high-voltage transformer structure used for the modulator is improved, the size is reduced, and high-voltage isolation is achieved.

Description

technical field [0001] The invention belongs to the technical field of radar, and relates to an adjustable integrated high-voltage grid pulse modulator, which is used for providing filament voltage and modulating a conventional simple rectangular pulse train into a relatively complex coded pulse or pulse train modulation, and controlling the grid line. The grid of the wave tube is modulated, so that the traveling wave tube generates a high-power millimeter-wave signal. Background technique [0002] Millimeter-wave technology has broad application prospects in the field of radar. With the development of high-voltage pulse modulation technology, power electronics technology and high-voltage technology, the high-voltage gate pulse modulator as a basic technology has broadened the application of millimeter-wave radar. Radar transmitters widely use pulse modulation, including conventional simple rectangular pulse train modulation to more complex coded pulse or pulse train modulat...

AI Technical Summary

Problems solved by technology

[0008] In order to avoid the deficiencies of the prior art, the present invention proposes an adjustable integrated high-voltage grid pulse modulator, aiming at the existing high-voltage grid pulse modulators with low integration, inability to adjust parameters on the low-voltage side, and discrete and bulky structures To meet the needs of the development of radar transmitters, to meet the requirements of miniaturization, high integration, and adjustable low-voltage side of high-mobility radar transmitters, and to improve the reliability of modulators

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