CN102044734A - Identical system circuit combiner with high-isolation degree - Google Patents
Identical system circuit combiner with high-isolation degree Download PDFInfo
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- CN102044734A CN102044734A CN2010105085811A CN201010508581A CN102044734A CN 102044734 A CN102044734 A CN 102044734A CN 2010105085811 A CN2010105085811 A CN 2010105085811A CN 201010508581 A CN201010508581 A CN 201010508581A CN 102044734 A CN102044734 A CN 102044734A
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Abstract
The invention discloses an identical system circuit combiner with high-isolation degree, aiming at providing the identical system circuit combiner with high-isolation degree, which has simple structure and lower cost and is easy for processing. The identical system circuit combiner with the high-isolation degree comprises at least three medium plates and two coupling wires, wherein the coupling wires are clamped between the two medium plates with different dielectric constants; a layer of medium plate is clamped between the two coupling wires; the coupling wires are provided with micro-strip thin wires; one end of each micro-strip thin wire is connected with each coupling wire and the other end of the micro-strip thin wire is suspended. The transmission phase speeds of odd modules and even modules can be adjusted by mixing different medium materials and adding the micro-strip thin wires to the coupling wires, and the port isolation degree of the identical system circuit combiner is improved.. The invention is suitable for all dual-output port circuit combiners.
Description
Technical field
The present invention relates to a kind of mixer, especially relate to a kind of high-isolation homologous ray mixer.
Background technology
The homologous ray mixer is a kind of the two paths of signals energy to be mixed, and is divided into that two-way output equates or the device of unequal energy, generally is used for
The important technological parameters of homologous ray mixer has voltage standing wave ratio, the isolation between the power input port, power capacity and the working band width etc. of power loss (comprise insert loss, distribute loss and reflection loss), each port, and wherein the isolation between the power input port is unusual important index.
It is the patent documentation of CN1988248A that State Intellectual Property Office of the People's Republic of China discloses publication number on 06 27th, 2007, title is a kind of mixer, it comprises cavity body filter, microwave circulator, the belt direction setting of electromagnetic wave energy in the described microwave circulator is that port one is to port 2, port 2 is to port 3, described cavity body filter is connected to 1 port of microwave circulator, cavity body filter and microwave circulator port one constitute mixer input port 1 jointly, 2 ports of microwave circulator are mixer public output mouth, and microwave circulator 3 ports constitute the input port 2 of mixer.This scheme realizes the isolation of two ports jointly by circulator and filter, and complex structure is processed loaded down with trivial detailsly, and cost is higher.
Summary of the invention
The technical problem that the present invention mainly is a solution existing in prior technology complex structure, processing is loaded down with trivial details, cost is high provides a kind of processing simple in structure, easy, lower-cost high-isolation homologous ray mixer.
The present invention is directed to above-mentioned technical problem is mainly solved by following technical proposals: a kind of high-isolation homologous ray mixer, comprise at least three blocks of dielectric-slabs and two coupling lines, coupling line is clipped between two blocks of dielectric-slabs with differing dielectric constant, article two, accompany one deck dielectric-slab in the middle of the coupling line, coupling line is provided with little band fine rule, little band fine rule one end is connected with coupling line, and the other end of little band fine rule is unsettled.Tradition homologous ray mixer adopts the sheet material with a kind of dielectric constant, because the dispersion characteristics of little band, the transmission phase velocity of Qi Mo and even mould is different, causes interport isolation to be difficult to improve.Adopt and mix the transmission phase velocity that the different medium material can be regulated strange mould and even mould, improve the interport isolation of homologous ray mixer.On coupling line, increase little band fine rule, the transmission phase velocity that can regulate strange mould and even mould, the interport isolation of raising homologous ray mixer.
Dielectric-slab is 5, each dielectric-slab is stacked, be respectively first dielectric-slab, second dielectric-slab, the 3rd dielectric-slab, the 4th dielectric-slab and the 5th dielectric-slab from top to bottom, first dielectric-slab adopts identical dielectric constant material with the 5th dielectric-slab, second dielectric-slab adopts identical dielectric constant material with the 4th dielectric-slab, the dielectric constant of the 3rd dielectric-slab is less than the dielectric constant of second dielectric-slab, and the dielectric constant of second dielectric-slab is less than the dielectric constant of first dielectric-slab.Adopt multilayer dielectricity the plate better strange mould and the even mould phase velocity of balance electromagnetic signal.
Coupling line comprises first coupling line and second coupling line, and first coupling line is clipped between second dielectric-slab and the 3rd dielectric-slab, and second coupling line is clipped between the 3rd dielectric-slab and the 4th dielectric-slab.Whole system is two inputs, and two outputs after two input signals can being mixed, are divided equally and outputed to two outputs.
First coupling line and second coupling line include interface end and linear coupled section of two arcs, and little band fine rule is connected to the two and the centre of coupled section, and little band fine rule width is that 0.5mm is to 1.5mm.。
The coupled section of first coupling line is parallel with the coupled section of second coupling line, two relative the 3rd dielectric-slab symmetries of coupled section.
The substantial effect that the present invention brings is, has simple structure, processing easily, and cost is low, has higher isolation, can reach more than the 35dB.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of later top view of All Media plate of removing of the present invention;
Fig. 3 is a kind of later structural representation of All Media plate of removing of the present invention;
Fig. 4 is the isolation degree test result of common mixer;
Fig. 5 is isolation degree test result of the present invention;
Among the figure: 1, first dielectric-slab, 2, second dielectric-slab, the 3, the 3rd dielectric-slab, the 4, the 4th dielectric-slab, the 5, the 5th dielectric-slab, 6, first coupling line, 7, second coupling line, 8, little band fine rule.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: a kind of high-isolation homologous ray mixer of present embodiment, as shown in Figure 1, comprise stacked from top to bottom first dielectric-slab 1, second dielectric-slab 2, the 3rd dielectric-slab 3, the 4th dielectric-slab 4 and the 5th dielectric-slab 5, the material of first dielectric-slab 1 and the identical dielectric constant of the 5th dielectric-slab 5 employings, the material of second dielectric-slab 2 and the identical dielectric constant of the 4th dielectric-slab 4 employings, the dielectric constant of the 3rd dielectric-slab 3 is less than the dielectric constant of second dielectric-slab 2, and the dielectric constant of second dielectric-slab 2 is less than the dielectric constant of first dielectric-slab 1.Accompany between first coupling line, 6, the three dielectric-slabs 3 and the 4th dielectric-slab 4 between second dielectric-slab 2 and the 3rd dielectric-slab 3 and accompany second coupling line 7.Article two, coupling line includes interface section 10 and rectilinear coupled section 9 of two arcs.Two interface section 10 are connected on the two ends of coupled section 9.Article two, coupled section 9 parallel and relative the 3rd dielectric-slab 3 symmetries of coupling line.Two of coupled section 9 and centre are connected with little band fine rule 8 respectively.Every coupling line is connected with three little band fine rules 8.The width of little band fine rule 8 is 1mm.An interface section of every coupling line connects input signal, and another interface section is an output signal.Article two, the same side port of coupling line is all output or is all input.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as coupling line, little band fine rule, dielectric-slab morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (5)
1. high-isolation homologous ray mixer, it is characterized in that, comprise at least three blocks of dielectric-slabs and two coupling lines, described coupling line is clipped between two blocks of described dielectric-slabs with differing dielectric constant, accompany the described dielectric-slab of one deck in the middle of described two coupling lines, described coupling line is provided with little band fine rule, and described little band fine rule one end is connected with described coupling line, and the other end of described little band fine rule is unsettled.
2. high-isolation homologous ray mixer according to claim 1, it is characterized in that, described dielectric-slab is 5, described each dielectric-slab is stacked, be respectively first dielectric-slab from top to bottom, second dielectric-slab, the 3rd dielectric-slab, the 4th dielectric-slab and the 5th dielectric-slab, described first dielectric-slab adopts identical dielectric constant material with described the 5th dielectric-slab, described second dielectric-slab adopts identical dielectric constant material with described the 4th dielectric-slab, the dielectric constant of described the 3rd dielectric-slab is less than the dielectric constant of described second dielectric-slab, and the dielectric constant of described second dielectric-slab is less than the dielectric constant of first dielectric-slab.
3. the high homologous ray mixer of isolating according to claim 1 and 2, it is characterized in that, described coupling line comprises first coupling line and second coupling line, described first coupling line is clipped between described second dielectric-slab and described the 3rd dielectric-slab, and described second coupling line is clipped between described the 3rd dielectric-slab and described the 4th dielectric-slab.
4. high-isolation homologous ray mixer according to claim 3, it is characterized in that, described first coupling line and second coupling line include interface section and rectilinear coupled section of two arcs, described little band fine rule is connected to the two and the centre of coupled section, and described little band fine rule width is that 0.5mm is to 1.5mm.
5. high-isolation homologous ray mixer according to claim 4 is characterized in that the coupled section of described first coupling line is parallel with the coupled section of described second coupling line, two described relatively the 3rd dielectric-slab symmetries of described coupled section.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723566A (en) * | 2012-06-25 | 2012-10-10 | 世达普(苏州)通信设备有限公司 | High-power low-insertion-loss microwave combiner |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
| CN103904403A (en) * | 2014-04-08 | 2014-07-02 | 吴俊伟 | Identical-frequency combiner of 3 dB electric bridge with mutual interference portions |
| CN105390784A (en) * | 2015-11-19 | 2016-03-09 | 中国电子科技集团公司第四十一研究所 | Ultra-wideband frequency band synthesis circuit |
| CN105470614A (en) * | 2016-01-26 | 2016-04-06 | 邝嘉豪 | Same-frequency combiner |
| CN105470615A (en) * | 2016-01-26 | 2016-04-06 | 邝嘉豪 | Same-frequency combiner |
| CN105514560A (en) * | 2016-01-26 | 2016-04-20 | 邝嘉豪 | Same-frequency combiner with T-shaped groove |
| CN105609918A (en) * | 2016-01-26 | 2016-05-25 | 邝嘉豪 | A 3dB bridge with round holes |
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| CN1383590A (en) * | 2000-06-09 | 2002-12-04 | 三菱电机株式会社 | Directional coupler |
| CN1383591A (en) * | 2000-07-04 | 2002-12-04 | 松下电器产业株式会社 | Directional coupler and directional coupling method |
| CN1669178A (en) * | 2002-09-27 | 2005-09-14 | 诺基亚公司 | Coupler |
| CN101160584A (en) * | 2005-04-15 | 2008-04-09 | 松下电器产业株式会社 | Interference analysis equipment for circuit wiring, interference analysis programs, databases for interference analysis equipment, asymmetric coupled line models |
| US20080111650A1 (en) * | 2006-11-14 | 2008-05-15 | Jen-I Kuo | Coupling device with electro-magnetic compensation |
| JP2009021824A (en) * | 2007-07-12 | 2009-01-29 | Mitsubishi Electric Corp | Directional coupler |
| CN101640303A (en) * | 2009-09-01 | 2010-02-03 | 陈兵红 | Directional coupler with stripline structure of a plurality of multi-permittivity /multi-layer media |
| CN101728620A (en) * | 2010-01-28 | 2010-06-09 | 大连海事大学 | Asymmetric coplanar waveguide directional coupler |
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| CN1383590A (en) * | 2000-06-09 | 2002-12-04 | 三菱电机株式会社 | Directional coupler |
| CN1383591A (en) * | 2000-07-04 | 2002-12-04 | 松下电器产业株式会社 | Directional coupler and directional coupling method |
| CN1669178A (en) * | 2002-09-27 | 2005-09-14 | 诺基亚公司 | Coupler |
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| US20080111650A1 (en) * | 2006-11-14 | 2008-05-15 | Jen-I Kuo | Coupling device with electro-magnetic compensation |
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| CN101640303A (en) * | 2009-09-01 | 2010-02-03 | 陈兵红 | Directional coupler with stripline structure of a plurality of multi-permittivity /multi-layer media |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723566A (en) * | 2012-06-25 | 2012-10-10 | 世达普(苏州)通信设备有限公司 | High-power low-insertion-loss microwave combiner |
| CN103904403B (en) * | 2014-04-08 | 2016-05-11 | 国家电网公司 | A kind of have a same frequency combiner of disturbing mutually the 3dB of portion electric bridge |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
| CN103904403A (en) * | 2014-04-08 | 2014-07-02 | 吴俊伟 | Identical-frequency combiner of 3 dB electric bridge with mutual interference portions |
| CN103904401B (en) * | 2014-04-08 | 2016-05-25 | 国网山东省电力公司鄄城县供电公司 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
| CN105390784A (en) * | 2015-11-19 | 2016-03-09 | 中国电子科技集团公司第四十一研究所 | Ultra-wideband frequency band synthesis circuit |
| CN105514560A (en) * | 2016-01-26 | 2016-04-20 | 邝嘉豪 | Same-frequency combiner with T-shaped groove |
| CN105470615A (en) * | 2016-01-26 | 2016-04-06 | 邝嘉豪 | Same-frequency combiner |
| CN105609918A (en) * | 2016-01-26 | 2016-05-25 | 邝嘉豪 | A 3dB bridge with round holes |
| CN105470614A (en) * | 2016-01-26 | 2016-04-06 | 邝嘉豪 | Same-frequency combiner |
| CN105514560B (en) * | 2016-01-26 | 2016-10-19 | 育昌电子工业（中山）有限公司 | A kind of same frequency combiner being provided with T groove |
| CN105470615B (en) * | 2016-01-26 | 2017-01-18 | 国家电网公司 | same-frequency combiner |
| CN105470614B (en) * | 2016-01-26 | 2017-02-15 | 上海交通大学 | Same-frequency combiner |
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