3dB Lange coupler for bearing 1,000W and fabrication method thereof

A coupler and coupling port technology, applied in the microwave field, can solve the problems of limited size and inability to withstand kilowatt-level input power, etc., and achieve the effect of small size

Pending Publication Date: 2019-09-13
THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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Problems solved by technology

[0003] The purpose of the present invention is to provide a 3dB Lange coupler capable of withstanding 1000W, so as to sol

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  • 3dB Lange coupler for bearing 1,000W and fabrication method thereof
  • 3dB Lange coupler for bearing 1,000W and fabrication method thereof
  • 3dB Lange coupler for bearing 1,000W and fabrication method thereof

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[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] see figure 1 and figure 2 , the 3dB Lange coupler used to withstand 1000W provided by the present invention is now described. The 3dB Lange coupler used to withstand 1000W includes a substrate on which an input port 5, a coupling port 6, a through port 10, an isolation port 1, and a plurality of finger micro The strip line and the bonding gold wire connected between the finger-shaped microstrip lines, the length L1 between the outside of the isolation port 1 and the outside of the input port 5 is 8.634mm; the outside of the input port 5 and the outside of...

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Abstract

The invention provides a 3dB Lange coupler for bearing 1,000W and a fabrication method thereof. The 3dB Lange coupler comprises a substrate, wherein an input port, a coupling port, a direct-through port, an isolation port, a plurality of finger-shaped microstrip lines and a plurality of bonding alloy wires are arranged on the substrate, the plurality of finger-shaped microstrip lines are connectedamong the ports, the bonding alloy wires are connected among the finger-shaped microstrip lines, the length L1 between an outer side of the isolation port and an outer side of the input port is 8.634millimeters, the width W1 between an output side of the input port and an outer side of the coupling port is 2.518 millimeters, the height H of the substrate is 1 millimeter, the widths W of the finger-shaped microstrip lines are all 0.100 millimeter, and the distance W4 between adjacent finger-shaped microstrip lines is 0.084 millimeter. The 3dB Lange coupler for bearing 1,000W is small in sizeand can bear 1,000W input power with wide pulse width being 3ms and large duty ratio being 30%.

Description

technical field [0001] The invention belongs to the field of microwave technology, and more specifically relates to a 3dB Lange coupler for withstanding 1000W and a preparation method thereof. Background technique [0002] The coupler is often used in the input network of the microwave power combiner and the absorbing limiter, and needs to withstand a large input power. The 3dB Lange coupler is widely used because of its microstrip interdigitated design, which has the characteristics of small size, wide frequency band and good consistency. But at the same time, due to the limitation of volume size, the width and spacing of the interdigitated fingers of the microstrip line cannot be too wide, so that the power it can withstand is limited, and it cannot withstand the input power of the kilowatt level. Contents of the invention [0003] The purpose of the present invention is to provide a 3dB Lange coupler capable of withstanding 1000W, so as to solve the technical problem i...

Claims

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Application Information

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IPC IPC(8): H01P5/18H01P11/00
CPCH01P5/184H01P11/00
Inventor 周全陈书宾邓世雄魏少伟祁广峰武义桥谢潇
Owner THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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