CN201174418Y

CN201174418Y - Half-mode substrate integrated waveguide single-layer three-dimensional power divider

Info

Publication number: CN201174418Y
Application number: CNU2008200337424U
Authority: CN
Inventors: 唐万春; 陈如山; 丁大志; 樊振宏; 徐光�; 王丹阳; 许小卫; 王晓科; 林叶嵩; 温中会; 钟群花; 蒋石磊
Original assignee: Nanjing University of Science and Technology
Current assignee: Nanjing University of Science and Technology
Priority date: 2008-04-03
Filing date: 2008-04-03
Publication date: 2008-12-31
Anticipated expiration: 2018-04-03

Abstract

The utility model discloses a half-mode substrate integrated waveguide single-layer three-dimensional power divider. The power divider is arranged in the middle of both sides of the first rectangular metal patch to connect with the first and second tapered metal patches respectively, covering one side of the medium plate; the edge of the second rectangular metal patch is connected to the first The wide sides of the three-cone-shaped metal patch are connected and covered on the other side of the dielectric board. The third conical metal patch is symmetrical to the second conical metal patch; the first and second rectangular metal patches pass through A row of metallized through holes of the dielectric board are connected, and a metal partition is arranged in the middle of the dielectric board. The utility model works in the X-band of 9GHz to 12GHz, has the characteristics of high Q value and low loss, and realizes the half-mode substrate integrated waveguide on the basis of the dielectric substrate integrated waveguide; the volume is only the traditional substrate integrated waveguide plane A quarter of the power divider, but the thickness remains the same, it is easier to integrate into microwave and millimeter wave components and systems.

Description

The three-dimensional power splitter of half module substrate integrated wave guide individual layer

Technical field

The utility model is used for the design of microwave and millimeter wave assembly and system, the three-dimensional power splitter of particularly a kind of half module substrate integrated wave guide individual layer.

Background technology

The microwave and millimeter wave power splitter has obtained a large amount of application in the feeder line of microwave and millimeter wave antenna and millimeter wave instrument, it is a critical component in the feeder system, particularly in the feed system of microwave and millimeter wave aerial array, need use low-loss, wide band power splitter.Microstrip power divider commonly used its characteristic on centre frequency is comparatively desirable, but in case frequency deviation takes place, and the performance of whole power splitter will variation, thereby influences the performance of whole system.Utilize substrate integrated waveguide technology can produce high Q value, low-loss, wide band power divider; and cut down finished cost and technology difficulty; and half module substrate integrated wave guide structure on this basis more can reduce the volume of half, also more is applicable to the design of microwave and millimeter wave assembly and system.

The utility model content

The purpose of this utility model is to provide a kind of 9GHz of being operated in to the three-dimensional power splitter of the novel half module substrate integrated wave guide on the X-band of 12GHz.

The technical solution that realizes the utility model purpose is: the three-dimensional power splitter of a kind of half module substrate integrated wave guide individual layer, the dual-side of the first rectangle metal patch in the middle of being arranged on is overlying on the one side of dielectric-slab along keeping to the side to link to each other with first and second cone-shaped metal paster respectively; The edge of the second rectangle metal patch keeps to the side to link to each other with the broadside of third hand tap shape metal patch, is overlying on the another side of dielectric-slab, and this third hand tap shape metal patch and the second cone-shaped metal paster are symmetry up and down; First and second rectangle metal patch links to each other by the delegation's plated-through hole that passes dielectric-slab, and in the middle, inside of dielectric-slab metal partion (metp) is set.

The utility model compared with prior art, its remarkable advantage is: (1) is operated in 9GHz to the X-band of 12GHz, has high Q value, low-loss characteristics, has realized half module substrate integrated wave guide on the basis of dielectric substrate integrated waveguide.(2) volume of the three-dimensional power splitter of half module substrate integrated wave guide has only 1/4th of traditional substrate integration wave-guide plane power splitter, and thickness is constant, easier being integrated in microwave and millimeter wave assembly and the system.(3) simple in structure, easy to process, with low cost, bandwidth of operation is broad also, has stronger Practical Performance, is applicable to the design of microwave and millimeter wave assembly and system.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of drawings

Fig. 1 is the vertical view according to the device that the utility model proposes.

Fig. 2 is the plan view according to the device that the utility model proposes.

Fig. 3 is the utility model plated-through hole schematic diagram.

Embodiment

In conjunction with Fig. 1, the three-dimensional power splitter of the utility model half module substrate integrated wave guide individual layer, the dual-side of the first rectangle metal patch 1 in the middle of being arranged on is overlying on the one side of dielectric-slab 2 along keeping to the side to link to each other with first and second cone-

shaped metal paster

5,6 respectively; The edge of the second rectangle metal patch 3 keeps to the side to link to each other with the broadside of third hand tap shape metal patch 7, is overlying on the another side of dielectric-slab 2, and this third hand tap shape metal patch 7 and the second cone-shaped metal paster 6 are symmetry up and down; First and second

rectangle metal patch

1,3 links to each other by the delegation's plated-through hole that passes dielectric-slab 2, and in the middle, inside of dielectric-slab 2 metal partion (metp) 4 is set.

In conjunction with Fig. 1, Fig. 2, the three-dimensional power splitter of the utility model half module substrate integrated wave guide individual layer, dielectric-slab 2 length L 1 are 88.5mm, width W 2 is 10-12mm; Metal partion (metp) 4 length L 2 are 45-48mm, and the first rectangle metal patch, 1 length L 3 is 48.5-50mm; First length L 4 to third hand tap

shape metal patch

5,6,7 all is 14mm, and two parallel edges W3 and W4 are respectively 3.3-3.5mm and 1.5-1.6mm; Plated-through hole is 7.2-7.5mm to the first rectangle metal patch, 1 distal edge vertical range W1; The length of the second rectangle metal patch 3 is 68.5-69mm, and width is 10-12mm, and dielectric-slab 2 thickness h are 0.5mm, and dielectric constant is 2.2; The metal throuth hole diameter d is 2mm, and pitch of holes S is 3.5-3.7mm.

Embodiment: in conjunction with Fig. 1, Fig. 2, Fig. 3, be example at the three-dimensional power splitter of the individual layer half module substrate integrated wave guide of 9-12GHz, describe structure of the present utility model in detail with working frequency range.

Thickness h is to insert the metal partion (metp) 4 that a block length is 45mm on one side along it in the dielectric-slab 2 of 0.5mm, and the length of dielectric-slab 2 is 88.5mm, and the width of dielectric-slab 2 and metal partion (metp) 4 all is 10mm.The one side of dielectric-slab 2 is a metal patch, it is made up of one first rectangle metal patch 1, the first cone-shaped metal paster 5, the second cone-shaped metal paster 6 and two strip metal conduction bands, the length of the first rectangle metal patch 1 is 48.5mm, width is 10mm, the first cone-shaped metal paster 5 and the second cone-shaped metal paster 6 measure-alike, article two, parallel edges is respectively 1.5mm and 3.3mm, and length is 14mm.The another side of dielectric-slab 2 is covered with the second rectangle metal patch 3 and third hand tap shape metal patch 7, and wherein the size of third hand tap shape paster 7 is identical with the second taper paster 6, and the length of the second rectangle metal patch 3 is 68.5mm, and width is 10mm.The first rectangle metal patch 1 that is positioned at dielectric-slab 2 both sides links to each other by plated-through hole with the second rectangle metal patch 3, the metal aperture center is 7.2mm to the first rectangle metal patch, 1 distal edge distance, is arranged in parallel along the first rectangle metal patch, 1 long axis direction.The metal aperture diameter is 2mm, and pitch of holes is 3.5mm.

Signal is from the input input on the left side, and the metal partion (metp) 4 by the middle in half module substrate integrated wave guide is divided into two paths of signals, respectively from two output outputs up and down, merit branches such as realization.The medium dielectric constant of selecting for use is 2.2, and the result shows that in the 9.6GHz-11.7GHz frequency range, S11 approaches-20dB, the transmission coefficient of two output ports is all approaching-and 3dB, relative bandwidth is near 20%.

Claims

1. A half-mode substrate integrated waveguide single-layer three-dimensional power divider is characterized in that: the two sides of the first rectangular metal patch [1] arranged in the middle are edged to the edge respectively with the first and second tapered metal patches [5,6] are connected and covered on one side of the medium plate [2]; the edge of the second rectangular metal patch [3] is connected to the wide side of the third tapered metal patch [7] and covered on the medium plate [ 2] on the other side, the third tapered metal patch [7] is vertically symmetrical to the second tapered metal patch [6]; the first and second rectangular metal patches [1, 3] pass through the dielectric plate A row of metallized through holes in [2] are connected, and a metal partition [4] is set in the middle of the dielectric board [2].

2. The half-mode substrate integrated waveguide single-layer three-dimensional power divider according to claim 1, characterized in that: the length L1 of the dielectric plate [2] is 88.5mm, and the width W2 is 10-12mm; the metal partition [4] The length L2 is 45-48mm, the length L3 of the first rectangular metal patch [1] is 48.5-50mm; the length L4 of the first to third tapered metal patches [5, 6, 7] is 14mm, and the two parallel The sides W3 and W4 are 3.3-3.5mm and 1.5-1.6mm respectively; the vertical distance W1 from the metallized through hole to the far side of the first rectangular metal patch [1] is 7.2-7.5mm; the second rectangular metal patch [3] The length is 68.5-69mm, the width is 10-12mm, the thickness h of the dielectric plate [2] is 0.5mm, and the dielectric constant is 2.2; the diameter d of the metal through hole is 2mm, and the hole spacing S is 3.5-3.7mm.