Telescopiform resistance high-voltage pulse attenuator
A technology of high-voltage pulse and attenuator, which is applied in the direction of waveguide devices, circuits, impedance networks, etc., to achieve the effect of optimization of attenuation transmission performance, reduction of reflection, and simple and easy structure
Inactive Publication Date: 2013-01-02
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology
The present invention proposes a telescopic resistive high-voltage pulse attenuator for high-voltage nanosecond pulse attenuation transmission, whose input and output ends adopt a tapered transition structure to solve the impedance matching problem between the attenuator and the pulse simulator system ; Matching shunt resistors and voltage divider resistors adopt a coaxial telescopic structure to realize distributed capacitive coupling performance compensation; and select high-power, high-frequency high-voltage resistors to solve problems such as high peak value and high power
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[0017] The outer metal grounding shield (hereinafter referred to as the shield) of the high voltage pulse resistance attenuator of the present invention.
[0018] It is composed of a middle section 11 of an outer metal shield, a tapered input transition section 12 and a tapered output transition section 9. A voltage dividing resistor 5 is arranged in the middle section 11 of the outer metal shielding cover, and an insulating sleeve is placed outside the voltage dividing resistor 5. The pipe 3 and the insulating sleeve 3 are covered with a matching shunt resistor 4, and the gap between the insulating sleeve 3, the voltage dividing resistor 3 and the matching shunt resistor 4 is filled with high-voltage silicone grease, and the matching shunt resistor 4 is connected to the copper ring by the insulating bracket 2 and the support. 10 is supported in the middle section 11 of the outer metal shield, the input ends of the matching shunt resistor 4 and the voltage dividing resistor 5 a...
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The invention relates to a telescopiform resistance high-voltage pulse attenuator used for high-voltage nanosecond pulse attenuation transmission, wherein both the input end and the output end of the attenuator utilize a taper transition structure to solve the problem of impedance matching between an attenuator and a pulse stimulator system; a matching shunt resistor and a divider resistor utilize a coaxial telescopiform structure to realize coupling performance compensation of a distributed capacitor; and a high-power high-frequency high-voltage resistor is selected to solve the problems of high peak value, high power and the like. The load of an electromagnetic pulse stimulator system before and after inserting the attenuator is ensure to be not changed through selecting the resistance value of the matching shunt resistor; the impedance matching between the attenuator and the stimulator system is realized through a front transition structure and a back transition structure to reducereflection and oscillation; and the coupling performance compensation of the distributed capacitor can be realized through the telescopiform structure between the matching shunt resistor and the divider resistor. The whole structure takes the benefit of improving the performance of the attenuator.
Description
technical field [0001] The invention is a nested resistance type high-voltage pulse attenuator, the attenuation transmission performance of which is optimized, and is suitable for the attenuation of high peak and fast front transient electric pulses. Background technique [0002] In order to make the pulse peak field strength of the electromagnetic pulse simulator adjustable within a large range, a resistive electromagnetic pulse attenuator is designed. Factors such as the attenuator's distributed capacitance to the ground and impedance mismatch will cause excessive loss of high-frequency components, wave reflection and oscillation and other waveform distortion phenomena. Focusing on the performance compensation of the attenuator and the impedance matching with the pulse simulator system, it is worth studying to analyze the influence of its structure by simulation, determine a good structure, and then optimize its structural parameters to achieve good attenuation performance...
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IPC IPC(8): H01P1/22H03H7/24
Inventor 陈炜峰胡景森何朋曲忠旭
Owner NANJING UNIV OF INFORMATION SCI & TECH