CN102280681A - Coaxial - ridge waveguide - Microstrip Transition structure splitters - Google Patents

Coaxial - ridge waveguide - Microstrip Transition structure splitters Download PDF

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CN102280681A
CN102280681A CN 201110123728 CN201110123728A CN102280681A CN 102280681 A CN102280681 A CN 102280681A CN 201110123728 CN201110123728 CN 201110123728 CN 201110123728 A CN201110123728 A CN 201110123728A CN 102280681 A CN102280681 A CN 102280681A
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coaxial
waveguide
ridge
transition
multi
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CN 201110123728
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宋开军
樊勇
陈宁波
马亮
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电子科技大学
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Abstract

本发明涉及一种同轴-脊波导-微带转换结构超宽带多路功分器,输入同轴接头与扩展同轴波导之间采用锥体同轴渐变过渡,这种锥体同轴渐变过渡以及脊波导-微带转换结构都可以实现超宽带阻抗匹配;N个脊波导-微带转换结构在扩展同轴波导内沿圆周均布以实现N路并行功分,整个功分电路具有轴对称性,以保证N路功分信号幅度相等,相位一致,N路信号功分可一步实现,可最大限度地减小信号传输损耗。 The present invention relates to a coaxial - ridge waveguide - Microstrip Transition structure ultra wideband multiplexer splitters, cone coaxial gradual transition between the use of the input coaxial connectors and expansion of the coaxial waveguide, which cone coaxial gradual transition and a ridge waveguide - microstrip Transition structure can be implemented ultra-wideband impedance matching; N a ridge waveguide - microstrip Transition structure extended coaxial waveguide uniform to achieve N parallel power divider circumferentially, the entire power divider circuit having an axis of symmetry resistance, to ensure that the N-way power divider signal equal in amplitude, phase coherent, N-way signal splitters can be further achieved, minimizes signal transmission loss. 使本发明具有超宽带、低传输损耗、可实现任意多路功分输出、各路功分输出信号幅度与相位一致性好、带内平坦的群时延特性、与外围其他平面电路易于集成等优点。 Of the present invention has ultra-wideband, low transmission loss, can implement any multiple power splitter outputs, various power divider output signal is good amplitude and phase coherence, the flat-band group delay characteristic, and a peripheral other planar circuits easy integration advantage. 本发明主要用于微波毫米波功率合成放大系统、阵列天线等,在通信、雷达等微波毫米波系统中有广阔的应用前景。 The present invention is mainly used for microwave and millimeter wave power combining amplification system, an array antenna or the like, have broad applications in communications, radar and other microwave and millimeter wave systems.

Description

同轴-脊波导-微带转换结构功分器 Coaxial - ridge waveguide - Microstrip Transition structure splitters

技术领域 FIELD

[0001] 本发明涉及一种基于扩展同轴波导的空间功率分配器,具体地说涉及一种新型的同轴-脊波导-微带转换结构的超宽带多路功分器。 [0001] The present invention relates to a method based on extended spatial power splitter of the coaxial waveguide, in particular coaxial to a novel - the ridge waveguide - ultra wideband multiplexer power divider microstrip conversion structure.

背景技术 Background technique

[0002] 随着军用与民用通信系统的快速发展,对于高效、宽带大功率放大器的需求与日俱增。 [0002] With the rapid development of military and civilian communications system for efficient, demand for broadband high power amplifier increasing. 单个固态器件输出功率由于受自身半导体物理特性的影响以及加工工艺、散热、阻抗匹配等问题限制而远远达不到功率应用的要求。 A single solid-state device output power due to physical property itself of the semiconductor and process, heat dissipation, and impedance matching problems restricted by the far requires less power applications. 为了解决这一问题,人们研究了采用多个固态器件进行功率的分配、放大、合成的方法来获得高功率输出,即固态功率合成技术。 In order to solve this problem have been studied using a plurality of solid-state devices perform power distribution, amplification, synthesis method to obtain high power output, that is, solid-state power synthesis technology. 因此,宽带多路功分器/合成器成为宽带大功率合成放大器的关键部件,直接决定了大功率合成放大系统性能指标的好坏。 Thus, broadband multi-channel power splitter / combiner become a key component combining amplifier broadband power, directly determines the power synthesizing amplification system performance is good or bad.

[0003] 在各种功率合成技术中,传统的混合型功分/合成电路,如Wilkinson功分器、 Lange耦合器和分支线耦合器等,在微波毫米波频段由于功率合成效率低或工作带宽窄等一些固有的缺陷已不适用;准光功率合成技术在结构实现上比较复杂,不易小型化,而且工作带宽较窄;矩形波导功分/合成电路带宽受限于低端截止频率,其色散特性使宽带阻抗匹配较难实现。 [0003] In various power combining techniques, a conventional hybrid power divider / combiner circuit, such as a Wilkinson power divider, Lange coupler and a branch line coupler, etc., in the microwave and millimeter wave band due to the low power combining efficiency or operating bandwidth Some narrow the like inherent flaws are no longer applicable; quasi-optical power combining technology is relatively complicated in structure implemented, easy miniaturization and working narrow bandwidth; rectangular waveguide power divider / combiner circuit bandwidth is limited to a lower cutoff frequency, the dispersion feature enables broadband impedance matching difficult to achieve.

发明内容 SUMMARY

[0004] 本发明的目的是提供一种超宽带多路功分器,克服现有功率合成技术中带宽窄、 损耗大、功分/合成端口数量少等缺陷,使得功分器具有超宽带、低传输损耗、可实现任意多路功分输出、各路功分输出信号幅度与相位一致性好、带内平坦的群时延特性、与外围其他平面电路易于集成等优点。 [0004] The object of the present invention is to provide an ultra-wideband multiplexer splitters, overcome the power combining art narrow bandwidth, loss, power splitter / small number of synthesis ports and other defects, such power splitter having an ultra-wideband, low transmission loss can be achieved in any multi-channel power divider output, various power divider output signal amplitude and phase consistency, band flat group delay characteristics, and peripheral other planar circuits easy integration and so on.

[0005] 为了实现上述目的,本发明提出了一种新型同轴-脊波导-微带转换结构的超宽带多路功分器。 [0005] To achieve the above object, the present invention provides a novel coaxial - ridge waveguide - ultra wideband multiplexer power divider microstrip conversion structure. 其具体技术方案如下:同轴-脊波导-微带转换结构功分器包括输入同轴接头、同轴锥形渐变过渡、展同轴波导、包含多级阶梯脊波导和微带线输出结构。 The specific technical solutions are as follows: Coaxial - ridge waveguide - Microstrip Transition Structure power divider includes an input coaxial connectors, coaxial tapered gradual transition, show a coaxial waveguide, comprising the multi-step ridge waveguide and the microstrip line output structure. 其特征在于,所述同轴波导功分器结构为轴旋转对称结构,采用同轴-脊波导-微带转换结构实现多路等幅同相功分和同轴-微带过渡,有一个同轴输入端口和多个微带输出端口。 Wherein said coaxial waveguide power divider structure axis rotational symmetrical structure, coaxial - ridge waveguide - Microstrip Transition structure to achieve multi-channel amplitude-phase power divider and coaxial - microstrip transition, there is a coaxial input port and a plurality of microstrip output port.

[0006] 射频信号由输入同轴接头馈入后,通过锥形同轴渐变过渡传输到扩展同轴波导, 以实现标准同轴接头和扩展同轴间良好的超宽带阻抗匹配,使输入端信号反射最小。 [0006] After the radio frequency signal fed to the input coaxial connector, the transitional transmitted through a tapered coaxial gradient to extend coaxial waveguide, in order to achieve a standard coaxial connectors and extended good ultra wideband impedance matching between the coaxial with the input signal minimum reflectance.

[0007] 输入同轴接头与扩展同轴波导之间通过锥形同轴渐变过渡实现良好的超宽带阻抗匹配,也可以通过同轴内导体或者/和外导体多级阶跃实现良好的超宽带阻抗匹配。 [0007] The input coaxial connectors and expansion transition achieve good ultra wideband impedance matching through a tapered coaxial gradient between the coaxial waveguide may be a step to achieve good ultra wideband through the inner coaxial conductor or / and the outer conductor multistage impedance matching.

[0008] 扩展同轴波导与微带线之间通过多级阶梯脊波导实现阻抗过渡,或者采用曲线函数渐变脊(如呈指数、正弦或余弦函数等过渡)波导过渡。 [0008] extended between the coaxial waveguide and the microstrip line realized impedance transition through the multi-step ridge waveguide, or with curve function gradient ridges (e.g., in which the transition index, a sine or cosine function, etc.) of the waveguide transition. 多级阶梯脊波导或曲线函数渐变脊波导过渡一方面实现超宽带阻抗匹配,另一方面实现多路信号功率的等幅同相分配, 一步完成信号功率由输入同轴接头到多路微带线等幅同相的输出。 Multi-step ridge waveguide or a curve function gradient ridge waveguide transition aspect ultra wideband impedance matching, on the other hand to achieve multi-channel signal power, amplitude-phase distribution, one step signal or power connections from the input coaxial to the multiplexer microstrip lines output amplitude in phase.

[0009] 每路实现过渡的多级阶梯脊具有相同的形状,包括脊的厚度,高度等各个方面,以实现各端口的等幅同相输出。 [0009] Each the transition of the multi-step ridges have the same shape, including a ridge of the various aspects of the thickness, height, etc., to achieve the amplitude of each port in-phase output. 脊片始端呈三角形,之后每一级呈矩形,并且最后一级距扩展同轴内导体的距离与介质基板厚度相同。 Ridges sheet leading end triangle, then rectangular each stage, and finally a distance extension is the same distance from the dielectric substrate, the thickness of the inner coaxial conductor.

[0010] 在同轴波导中,所有多级阶梯脊沿圆周均布,相邻脊之间的夹角相等,且其夹角为360/N (N为功率分配数目,比如十六路功分器,N= 16);所有多级阶梯脊的分布具有轴对称特性,以保证每路功分信号具有等幅同相特性。 [0010] In the coaxial waveguide, all of the multi-step ridge circumferentially uniform, adjacent ridges between the angle equal, and its angle of 360 / N (N is a power distribution number, such as sixteen-way power divider is, N = 16); the distribution of all the multi-step ridge has a symmetrical characteristic axis, to ensure that each channel splitters signals having amplitude-phase characteristics.

[0011] 各个多级阶梯脊固定于外导体上,整个同轴波导内可采用空气或介质填充。 [0011] each of the multi-step ridge is fixed to the outer conductor, it can be air or dielectric filled throughout the coaxial waveguide. 各路多级阶梯脊的终端跟微带线直接连接。 Brightest multi-step ridge end with a microstrip line connected directly. 这种新型超宽带多路功分器,它包括一路功率输入端口,多路输出端口(十六路,二十四路或者更多),同轴锥形过渡,以及脊波导过渡。 The new ultra-wideband multiplexer splitters, which comprises all the way to power input ports, multiple output ports (sixteen channel, twenty four or more), a coaxial conical transition, and a ridge waveguide transition.

[0012] 本发明所提出的同轴-脊波导-微带转换结构功分器工作原理如下: [0012] coaxially proposed by the present invention - ridge waveguide - microstrip converter power divider works the following structure:

[0013] N个脊波导-微带转换结构在同轴功分器内沿圆周均布以实现N路并行功分,整个功分电路具有轴对称性,以保证N路功分信号幅度相等,相位一致,N路信号功分可一步实现,可最大限度地减小信号传输损耗。 [0013] N a ridge waveguide - Microstrip Transition structure circumferentially uniform to achieve N parallel power divider in the coaxial power divider, the entire power divider circuit having axial symmetry, in order to ensure that an N-way power divider signal equal in magnitude, phase coherent, N-way signal splitters can be further achieved, minimizes signal transmission loss.

[0014] 这种并行功分电路结构和场分布都具有轴对称性,只要保证实现信号功分功能的脊波导-微带转换结构沿圆周均勻分布,就可以实现各路功分输出信号幅度与相位一致, 而与信号功分路数无关。 [0014] This parallel power divider circuit structure and the field distribution has an axial symmetry, as long as the ridge waveguides signal power splitter function - Microstrip Transition structure circumferentially uniformly distributed, can implement that a power divider output signal amplitude phase, and with the signal power splitter large ones irrelevant. 因此,本发明可实现任意功分路数(功分路数可为2,3,4,5,… 等),极大地增加了电路设计灵活性,可满足各种不同的特殊的设计需求。 Accordingly, the present invention may be implemented in any power splitter large ones (power divider large ones may be 2,3,4,5, ..., etc.), which greatly increases the circuit design flexibility to meet a variety of specific design requirements.

[0015] 当需要增加这种功分电路的信号功分路数时,只要在同轴波导内增加脊波导-微带转换结构数量并保证功分电路的轴对称性就可实现,因此,本发明可实现大数量的信号功分路数(功分路数可达16路或32路以上),在微波毫米波多功率器件大功率合成系统中有应用优势。 [0015] When it is desired to increase the signal power of such power splitter circuit in time division large ones, as long as the increase in ridge waveguide coaxial waveguide - Number Microstrip Transition structure and to ensure axial symmetry of the power divider circuit can be realized, therefore, the present signal power invention may be implemented a large number of sub-large ones (power divider large ones up to 16 or 32 above), has application advantages in microwave and millimeter wave multi-power device power synthesizing system.

[0016] 本发明所提出的同轴功分器电磁场工作模式主要为TEM和准TEM模,没有传输截止频率,具有超宽带工作潜力;为了使扩展同轴波导容纳大量的脊波导-微带转换结构以实现大数量信号功分,扩展同轴波导尺寸往往远大于标准信号输入同轴接头,因此,在标准同轴接头与扩展同轴波导之间采用锥形同轴渐变过渡或阶跃同轴过渡以实现良好的超宽带阻抗匹配;从扩展同轴波导到微带线输出端口间的脊波导-微带转换结构可采用多级脊波导或渐变脊波导以实现到微带线良好的超宽带阻抗匹配。 [0016] Coaxial Power Splitter field operating mode proposed by the present invention is primarily a TEM and quasi-TEM mode, no transmission cut-off frequency, ultra wideband working potential; In order to extend the coaxial waveguide accommodate a large number of ridge waveguide - Microstrip Transition structure to achieve a large number of signal splitters, extended coaxial waveguide dimensions are often much larger than the standard signal input coaxial connector, therefore, between a standard coaxial connectors and expansion of the coaxial waveguide using a tapered coaxial tapered transition or step coaxially transition to achieve good ultra wideband impedance matching; from extended coaxial waveguide to the microstrip line output ridge waveguide between the ports - microstrip transition structure can be stepped ridge waveguide or gradient ridge waveguide in order to achieve the good microstrip line ultrawideband impedance matching. 通过脊波导-微带转换结构将扩展同轴波导中的TEM场转换为多路平面微带传输线的准TEM场。 By ridge waveguide - Microstrip Transition structure extended TEM field coaxial waveguide is converted into the quasi-TEM field multiplex planar microstrip transmission line. 因此,本发明所提出的同轴功分器具有超宽带特性。 Accordingly, proposed by the present invention, the coaxial power splitter having ultra-wideband characteristics.

[0017] 本发明输出端采用微带传输线,与外围其他平面电路和功率器件(如功率MMIC, 功率FET管等)易于集成。 An output terminal [0017] The present invention uses a microstrip transmission line, easily integrated with a peripheral other planar circuits and power devices (such as power an MMIC, power FET tube).

[0018] 通过采用同轴-脊波导-微带转换结构,将单个同轴接头输入信号分配成N路微带线输出信号,使得本发明具有损耗低、超宽带、大数量功分路数、功分信号幅相一致性好、 易于与有源功率器件集成的特点。 [0018] By using coaxial - ridge waveguide - microstrip conversion structure, will assign a single coaxial connector input signal into N channels of a microstrip line output signal, such that the present invention has low loss, ultra-wideband, a large number of splitters large ones, power divider signal amplitude and phase consistency, easy to integrate with the active power device characteristics. 本发明主要用于微波毫米波功率合成放大系统、阵列天线等,在通信、雷达等微波毫米波系统中有广阔的应用前景。 The present invention is mainly used for microwave and millimeter wave power combining amplification system, an array antenna or the like, have broad applications in communications, radar and other microwave and millimeter wave systems.

附图说明 BRIEF DESCRIPTION

[0019] 图1是本发明中四路同轴-脊波导-微带转换结构功分器三维结构示意图; [0019] FIG. 1 is a present invention, four coaxial - ridge waveguide - schematic Microstrip Transition structure power divider three-dimensional structure;

[0020] 图2是图1的剖面结构示意图; [0020] FIG. 2 is a schematic cross-sectional view of Figure 1;

[0021] 图3是图1和图2中四路同轴功分器的反射参数Sll和其中一路传输参数S21的频率特性曲线; [0021] FIG. 3 is a reflective parameter Sll FIG. 1 and FIG four coaxial power splitter 2 and wherein the frequency characteristic way transmission parameter S21 of the curve;

[0022] 图4是本发明中十六路同轴-脊波导-微带转换结构功分器结构示意图; [0022] FIG. 4 is the invention of the sixteen-way coaxial - ridge waveguide - a schematic partial structure microstrip conversion structure function;

[0023] 图5是图4中十六路同轴功分器的反射参数Sll和其中一路传输参数S21的频率特性曲线。 [0023] FIG. 5 is a frequency characteristic reflection parameters Sll and the way in which the transmission parameter S21 of FIG sixteen passage 4 coaxially power splitter curve.

[0024] 附图中标号对应名称为: [0024] Figures numbers correspond name:

[0025] (1)同轴接头,(2)锥形同轴渐变过渡,(3)多级阶梯脊,⑷微带线,(5)扩展同轴波导,(6)扩展同轴外导体,(7)扩展同轴内导体,(8)微带线地载板,(9)介质基片。 [0025] (1) coaxial connector, (2) a tapered coaxial gradual transition, (3) multi-step ridge, ⑷ microstrip line, (5) extended coaxial waveguide (6) extended coaxial outer conductor, (7) extended inner coaxial conductor, (8) a microstrip line to the carrier plate (9) of the dielectric substrate.

具体实施方式 Detailed ways

[0026] 下面通过举例来说明本发明的优点。 [0026] below, by way of example to illustrate the advantages of the present invention.

[0027] 实施例1 [0027] Example 1

[0028] 此例为同轴-脊波导-微带转换结构超宽带四路功分器。 [0028] This embodiment is a coaxial - ridge waveguide - Microstrip Transition structure ultrawideband four splitters.

[0029] 如图1和图2所示。 As shown in [0029] Figures 1 and 2. 本发明提出的基于扩展同轴波导的新型四路功分器包含五个部分,分别是:功分器信号输入端口SMA同轴接头;SMA同轴接头与扩展同轴波导之间锥体同轴渐变过渡;扩展同轴波导;四路同轴-脊波导-微带转换结构;微带线输出端口。 Proposed by the present invention is based on the expansion of the coaxial waveguide of the new four-way power splitter comprises five parts, namely: a power divider signal input port SMA coaxial connector; SMA coaxial connector with the expansion cone coaxially between the coaxial waveguide gradual transition; extended coaxial waveguide; four coaxial - ridge waveguide - microstrip transition structure; microstrip line output port.

[0030] 功分器输入端口SMA同轴接头采用商业标准SMA接头,其参数为:内导体外半径r =0. 65mm,外导体内半径R = 2. 1mm。 [0030] The power splitter input port SMA coaxial connector using commercial standard SMA connector, the parameters of: an inner conductor an outer radius r = 0 65mm, an outer conductor radius R = 2. 1mm. 锥体同轴渐变过渡是从SMA同轴接头的内外导体到扩展同轴波导的内外导体的直线型过渡形成,其长度根据设计要求优化得到,以保证带内过渡引起的回波反射最小。 Cone coaxial gradual transition is linear transition from the inner and outer conductors SMA coaxial connector to expand the inner and outer conductors of the coaxial waveguide is formed, the length depending on design requirements The optimized to ensure echo reflections minimum band transition due.

[0031] 扩展同轴波导内四路脊波导-微带转换结构完全相同,且等角度均勻对称固定在扩展同轴外导体上,整个腔内无介质填充,脊的材质选为铝铜等金属导体。 [0031] Extended coaxial waveguide Quad ridged waveguide - Microstrip Transition exactly the same structure, and equiangularly symmetrical secured on the extended coaxial outer conductor, the entire cavity without dielectric filled, the ridge material preferably aluminum, copper and other metal conductor. 图1和图2所示的四路功分器采用五阶脊波导过渡,从左向右沿波的传播方向分别为第1、2、3、4、5级。 1 and four power divider shown in Figure 2 uses fifth-order ridge waveguide transition, the direction of propagation from left to right along the waves are 1,2,3,4,5 stage. 第1级用三角形过渡脊,其余四级采用矩形过渡脊。 Level first transition ridge triangles, the remaining four rectangular transition ridge. 脊的每级宽度相同,脊距离内导体高度从左向右依次递减,其中最后一级(第5级)脊高度大小与图2所示微带介质基片厚度相同, 以保证脊与微带线良好接触。 The same ridge every step size, the ridge from the conductor height from left to right in descending order, wherein the ridge height size view of the same final stage (stage 5) 2 microstrip dielectric substrate thickness, to ensure that the ridge microstrip line good contact. 每级脊波导的长度、宽度、高度参数大小采用全波仿真软件仿真得到,保证带内过渡引起的回波反射最小。 Each stepped ridge waveguide length, width, height, size parameters, full-wave simulation software obtained by simulation, guaranteed echo reflections minimum band transition due.

[0032] 图3是四路功分器的S参数结果。 [0032] FIG. 3 is an S-parameter results four power splitter. 本发明能够实现在5GHz到18. IGHz的工作频带范围内反射损耗小于-20dB,插入损耗小于0. 2dB,相对带宽约为110%。 The present invention can be implemented within the operating frequency range 5GHz to 18. IGHz reflection loss is less than -20dB, the insertion loss is less than 0. 2dB, the relative bandwidth is about 110%.

[0033] 实施例2 [0033] Example 2

[0034] 此例为同轴-脊波导-微带转换结构超宽带十六路功分器。 [0034] This embodiment is a coaxial - ridge waveguide - Microstrip Transition structure ultrawideband sixteen-way power splitter.

[0035] 如图4所示。 [0035] As shown in Fig. 本发明提出的十六路超宽带功分器与四路功分器结构相似,不同之处在于扩展同轴波导内包含十六路同轴-脊波导-微带转换结构和十六个微带线输出端口,从而实现十六路信号功率分配。 Similar proposed by the present invention, sixteen path ultra-wideband power divider with four splitters structure, except that includes sixteen channel coaxially over an extended coaxial waveguide - ridge waveguide - Microstrip Transition structure and sixteen microstrip line output port, to achieve sixteen-channel signal power distribution. 十六个脊波导的长度、宽度、高度参数大小完全相同,以保证十六路微带线输出端口的功分信号具有相同的相位和幅度。 Length sixteen ridge waveguide, the width, height parameter exactly the same size, to ensure that the power divided into 16 channel microstrip line output port a signal having the same phase and amplitude.

[0036] 十六路超宽带扩展同轴功分器S参数如图5所示。 [0036] hexadecane passage ultra-wideband extension coaxial power splitters S parameter as shown in FIG. 本发明在6. 7GHz到19. 3GHz 的频带范围内反射损耗小于-20dB,插损小于0. 2dB,相对带宽约为100%。 The present invention is in a frequency band 6. 7GHz to 19. 3GHz reflection loss is less than -20dB, insertion loss is less than 0. 2dB, the relative bandwidth is about 100%.

[0037] 通过上述两个实施例可以看出,本发明在功分路数增多时,仍然具有超宽带和低损耗特性,电路结构简单,装配方便,很容易与其他外部平面电路进行集成;同时,此类结构功分器路数的增加对带宽影响很小,能够扩展设计成三十二路,六十四路等更多支路的功分器。 [0037] As can be seen by the above two embodiments, the present invention, when a power splitter large ones increased, still ultra-wideband and low-loss characteristics of the circuit structure is simple, easy to assemble, is easy to integrate with other external planar circuits; simultaneously , to increase bandwidth effects of such structure splitters large ones is very small, it can be extended designed as a power splitter more branch thirty Road, sixty four and the like.

Claims (13)

  1. 1.同轴-脊波导-微带转换结构功分器,包括输入同轴接头(1)、同轴锥形渐变过渡O)、扩展同轴波导(5)、包含多级阶梯脊(3)的脊波导和微带线(4)输出结构。 1. Coaxial - ridge waveguide - Microstrip Transition Structure power divider includes an input coaxial connector (1), coaxially with the conical tapered transition O), extension of the coaxial waveguide (5), comprising a multi-step ridge (3) ridge waveguide and the microstrip line (4) output structure. 其特征在于,所述同轴波导功分器结构为轴旋转对称结构,采用同轴-脊波导-微带转换结构实现多路等幅同相功分和同轴-微带过渡,有一个同轴接头(1)输入端口和多个微带线(4)输出端□。 Wherein said coaxial waveguide power divider structure axis rotational symmetrical structure, coaxial - ridge waveguide - Microstrip Transition structure to achieve multi-channel amplitude-phase power divider and coaxial - microstrip transition, there is a coaxial fitting (1) input ports and a plurality of microstrip lines (4) output □.
  2. 2.根据权利要求1所述,射频信号由输入同轴接头(1)(采用SMA接头、N型接头、K接头等同轴连接器,接头的选择并不是固定的,具体使用什么型号的接头由设计决定)馈入。 2. The method of claim 1, a radio frequency signal from the input coaxial connector (1) (using SMA connector, N-type connector, K joints coaxial connector, choice of linker is not fixed, specifically what type of linker by design) fed.
  3. 3.根据权利要求1所述,信号从输入同轴接头⑴馈入后,通过锥形同轴渐变过渡⑵ 传输到扩展同轴波导(¾,以实现标准同轴接头(1)(采用SMA接头、N型接头、K接头等同轴连接器)和扩展同轴间良好的超宽带阻抗匹配,使输入端信号反射最小。 3. The method of claim 1, the signal from the input coaxial connector ⑴ fed, transmitted through a tapered coaxial tapered transition ⑵ to extend coaxial waveguide (¾, to achieve a standard coaxial connector (1) (using SMA connector , N-type connector, K joints coaxial connector) and extended good ultra wideband impedance matching between the coaxial with the input signal reflections to a minimum.
  4. 4.根据权利要求3所述,输入同轴接头(1)与扩展同轴波导(¾之间通过锥形同轴渐变过渡O)实现良好的超宽带阻抗匹配,也可以通过同轴内导体或者/和外导体多级阶跃实现良好的超宽带阻抗匹配。 4. The method of claim 3, input coaxial connector (1) and the extension of the coaxial waveguide (between ¾ through a tapered coaxial tapered transition O) to achieve good ultra-wideband impedance matching can also the inner coaxial conductor or / and the outer conductor multi-level step to achieve good ultra-wideband impedance matching.
  5. 5.根据权利要求1所述,扩展同轴波导(¾与微带线(4)之间通过多级阶梯脊(3)波导实现阻抗过渡,或者采用曲线函数渐变脊(如呈指数、正弦或余弦函数等过渡)波导过渡。 5. The method of claim 1, extended coaxial waveguide (¾ microstrip line (4) pass between a multi-step ridge (3) waveguides impedance transition, or with curve function gradient ridges (e.g., exponential, sine or transition cosine function, etc.) of the waveguide transition.
  6. 6.根据权利要求1和5所述,扩展同轴波导(¾与微带线(4)之间,多级阶梯脊(3)波导或曲线函数渐变脊波导过渡一方面实现超宽带阻抗匹配,另一方面实现多路信号功率的等幅同相分配,一步完成信号功率由输入同轴接头(1)到多路微带线(4)等幅同相的输出。 6. aspect ultra wideband impedance matching according to claim 1 and 5, extended coaxial waveguide (¾ microstrip line (4) between the multi-step ridge (3) of the waveguide or a curve function gradient ridge waveguide transition, On the other hand multi-channel signal power amplitude-phase distribution of one step the signal power output by the input coaxial connector (1) to multiplex microstrip line (4) amplitude in phase.
  7. 7.根据权利要求6所述,每路实现过渡的多级阶梯脊C3)具有相同的形状,包括脊的厚度,高度等各个方面,以实现各端口的等幅同相输出。 7. The method of claim 6, each way the transition of the multi-step ridge C3) have the same shape, including all aspects of the thickness of the ridges, the height to achieve the amplitude of each port in-phase output.
  8. 8.根据权利要求6,7所述,对于多级阶梯脊(3),脊片始端呈三角形,之后每一级呈矩形,并且最后一级距扩展同轴内导体(7)的距离与介质基板(9)厚度相同。 According to claim 6 and 7, for the multi-step ridge (3), the ridge sheet leading end triangle, then rectangular each stage, and final stage from the extended inner coaxial conductor (7) away from the medium the substrate (9) of the same thickness.
  9. 9.根据权利要求6所述,在同轴波导中,所有多级阶梯脊C3)沿圆周均布,相邻脊之间的夹角相等,且其夹角为360/N(N为功率分配数目,比如十六路功分器,N = 16)。 9. The method of claim 6, the coaxial waveguide, all of the multi-step ridge C3) circumferentially uniform, equal to the angle between adjacent ridges, and the angle of 360 / N (N is a power distribution number, such as sixteen-way power splitter, N = 16).
  10. 10.根据权利要求6所述,在同轴波导中,所有多级阶梯脊C3)的分布具有轴对称特性, 以保证每路功分信号具有等幅同相特性。 10. The method of claim 6, the coaxial waveguide, all of the multi-step ridge C3) distributed axially symmetric properties, to ensure that each channel splitters signals having amplitude-phase characteristics.
  11. 11.根据权利要求1,6,7,8,9所述,在同轴波导中,各个多级阶梯脊(3)固定于外导体上,整个同轴波导内可采用空气或介质填充。 11. The method of claim 1,6,7,8,9, in the coaxial waveguide, the respective multi-step ridge (3) is fixed to the outer conductor, it can be air or dielectric filled throughout the coaxial waveguide.
  12. 12.根据权利要求1,6所述,功率分配的各路多级阶梯脊(3)的终端跟微带线(4)直接连接。 According to claim 1, 6, the power distribution of the brightest multi-step ridge (3) of the terminal with the microstrip line (4) is directly connected.
  13. 13.新型超宽带多路功分器,包括一路功率输入端口,多路输出端口(十六路,二十四路或者更多),同轴锥形过渡,以及脊波导过渡。 13. A novel ultra wideband multiplexer splitters, including all the way to power input ports, multiple output ports (sixteen channel, twenty four or more), a coaxial conical transition, and a ridge waveguide transition.
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CN105190991A (en) * 2013-03-16 2015-12-23 佳能株式会社 Waveguide element
CN103346375B (en) * 2013-06-27 2016-03-16 中国电子科技集团公司第四十一研究所 Extended spatial power distribution waveguide combiner
CN103346376A (en) * 2013-06-27 2013-10-09 中国电子科技集团公司第四十一研究所 Gradual change fin line extension waveguide space power distribution synthesizer
CN103346375A (en) * 2013-06-27 2013-10-09 中国电子科技集团公司第四十一研究所 Single-face double-ridge spreading waveguide space power distribution synthesizer
CN103346376B (en) * 2013-06-27 2016-03-16 中国电子科技集团公司第四十一研究所 Gradient fin line waveguide extended spatial power distribution combiner
CN103701417A (en) * 2013-12-16 2014-04-02 联想(北京)有限公司 Radio frequency amplifying circuit
CN104505568A (en) * 2014-12-12 2015-04-08 中国电子科技集团公司第四十一研究所 Ultra-wide band multi-path coaxial power distribution synthesis structure based on high-odor oval function curve
CN104505568B (en) * 2014-12-12 2017-09-29 中国电子科技集团公司第四十研究所 Synthesis of Structure assignment based ultra wideband multiple coaxial power higher elliptic function curve
CN105186086A (en) * 2015-07-29 2015-12-23 中国电子科技集团公司第四十一研究所 Ultra-wideband multi-channel power distributor and synthesizer
EP3136499A1 (en) * 2015-08-21 2017-03-01 Thales Divider/combiner system for a hyperfrequency wave
US10014833B2 (en) 2015-08-21 2018-07-03 Thales Splitter/combiner system for RF waves
FR3040242A1 (en) * 2015-08-21 2017-02-24 Thales Sa System divider / combiner for microwave signal
CN105572484A (en) * 2015-12-17 2016-05-11 北京无线电计量测试研究所 Transverse electromagnetic wave cell impedance matching method and device
CN105572484B (en) * 2015-12-17 2018-10-16 北京无线电计量测试研究所 A flatbed electromagnetic chamber impedance matching method and apparatus
CN105703048A (en) * 2016-01-13 2016-06-22 北京大学 Ultra wide band terahertz class surface plasmon coupler and coupling method
CN105703048B (en) * 2016-01-13 2018-07-13 北京大学 Species based ultra wideband THz surface plasmon coupling and coupling methods
CN105914441A (en) * 2016-05-06 2016-08-31 上海航天测控通信研究所 Mini-type waveguide impedance match device

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