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Tunable Integrated High Voltage Gate Pulse Modulator

A grid pulse modulation and pulse modulator technology, applied in the radar field, can solve problems such as low integration, discrete and bulky structure, and inability to adjust parameters, and achieve the effects of strong adaptability, small size, and high efficiency

Active Publication Date: 2015-12-09
CNGC INST NO 206 OF CHINA ARMS IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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Embodiment Construction

[0039] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0040] The technical solution adopted in the embodiment of the present invention is: the pulse modulation circuit and the main component of the modulator are improved and designed, and high-potential power supplies such as filament, positive bias, and negative bias are integrated, and multiple high-potential fault signals are integrated, so as to Meet the requirements of the working conditions of the high mobility radar transmitter.

[0041] Such as figure 1 As shown, the invented modulator is composed of two parts such as a high-potential power supply circuit and a gate pulse modulation circuit. The high-potential power supply circuit adopts the high-frequency switch-type DC stabilized working mode to provide the filament power supply required for the working of the traveling wave tube, provide positive and negative bias power supply for the grid pulse modulato...

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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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02H02M1/088
Inventor 陈耿罗强魏欣李锐江志李建华张耀顾光何鹏军陈义怀李超张焱白云飞刘洁许冯华张宁边昆马行
Owner CNGC INST NO 206 OF CHINA ARMS IND GRP
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