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Small and efficient high-power solid-state modulator

A modulator and high-power technology, which is applied in the field of high-power solid-state modulators, can solve the problems of high trigger circuit synchronization and delay requirements, complex circuit topology, and a large amount of equipment, and achieve improved output waveform quality, small size, The effect of simple structural design

Inactive Publication Date: 2013-11-13
CHINA ELECTRONICS TECH GRP CORP NO 14 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it can be seen from the paper that the scheme uses multiple excitation circuits (i.e. primary components), the circuit topology is slightly complicated, the amount of equipment is large, and the volume is large; at the same time, in order to ensure the current sharing of multiple excitation circuits, the scheme requires each group The components and layout of the excitation circuit should be as consistent as possible, and the synchronization and delay of the trigger circuit should be high

Method used

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  • Small and efficient high-power solid-state modulator
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  • Small and efficient high-power solid-state modulator

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Embodiment Construction

[0023] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0024] With reference to the accompanying drawings, the present invention provides a small and efficient high-power solid-state modulator, including a solid-state modulator assembly and a pulse transformer T, wherein the solid-state modulator assembly includes a DC power supply E1, an energy storage capacitor C1, and a solid-state switch V1, wherein The DC power supply E1 is used to charge the energy storage capacitor C1; when the trigger circuit provides a trigger pulse for the driving circuit of the solid-state switch V1, after the discharge circuit is formed by the energy storage capacitor C1, the solid-state switch V1 and the pulse transformer T, The output pulse of the modulator is obtained through the pulse transformer T. One end of the solid-state switch V1 has a polarity requirement with the other end. If the solid-state switch V...

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Abstract

The invention discloses a small and efficient high-power solid-state modulator and belongs to the technical field of pulse power. The modulator comprises a solid-state modulator component and a pulse transformer (T), wherein the solid-state modulator component comprises a direct-current power supply (E1), an energy storage capacitor (C1) and a solid-state switch (V1). The direct-current power supply (E1) is used for charging the energy storage capacitor (C1). Output pulses of the modulator are obtained through the pulse transformer (T) after the energy storage capacitor (C1), the solid-state switch (V1) and the pulse transformer (T) form a discharge circuit. According to the small and efficient high-power solid-state modulator, the single solid-state switch is used, the equalization voltage and the connection consistency of the solid-state switch are not required to be considered, the voltage is low, insulation design can be achieved easily, the output waveform quality of the modulator is greatly improved, the circuit topological structure is simple, the size is small, the efficiency is high, modularization can be achieved easily, and the modulator is applicable to various platforms.

Description

technical field [0001] The invention relates to a solid-state modulator, in particular to a high-power solid-state modulator, belonging to the technical field of pulse power. Background technique [0002] The modulator is the key equipment of the high-power transmitter, and the output pulse waveform of the modulator directly affects the quality of the radar radio frequency signal. The working voltage of the single-shot klystron used in high-power MW-class transmitters is generally tens of kilovolts, the working current is generally tens of amperes, and the efficiency is about 30%. Radar requires a working waveform ranging from less than 1 microsecond to tens of microseconds, with a repetition rate up to thousands of Hertz. For this reason, the output peak power of the high-power modulator should exceed 3MW, the output pulse amplitude can reach 70kV to 80kV, the pulse current can reach 40A to 50A, the pulse width can be adjusted from 1 microsecond to tens of microseconds, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/567H03K7/00
Inventor 杨景红戴广明何秀华汤长岭
Owner CHINA ELECTRONICS TECH GRP CORP NO 14 RES INST
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