CN105356025A - TE01 mode based radial waveguide power distributor - Google Patents

TE01 mode based radial waveguide power distributor Download PDF

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Publication number
CN105356025A
CN105356025A CN201510469227.5A CN201510469227A CN105356025A CN 105356025 A CN105356025 A CN 105356025A CN 201510469227 A CN201510469227 A CN 201510469227A CN 105356025 A CN105356025 A CN 105356025A
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China
Prior art keywords
waveguide
power
radial
port
mode
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Pending
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CN201510469227.5A
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Chinese (zh)
Inventor
詹铭周
杨明涛
谢小强
王磊
代旭东
杨涛
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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Priority to CN201510469227.5A priority Critical patent/CN105356025A/en
Publication of CN105356025A publication Critical patent/CN105356025A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a waveguide multi-path power distributor applicable to a millimeter wave frequency high end. The radial waveguide power distributor is based on a circular waveguide TE01 mode; the radial waveguide power distributor comprises a rectangular waveguide input port, a circular waveguide, a matching structure and a plurality of (n is greater than or equal to 2) rectangular waveguide output ports; a TE10 mode in the rectangular waveguide is synthesized into a TE01 mode in the circular waveguide through a mode converter so as to realize space-time symmetry of the field distribution on the circular waveguide cross section; the mode conversion and energy distribution from the TE01 mode in the circular waveguide to the TE10 mode of the n rectangular waveguides can be realized through a multi-path power distributor; and the signals of each output port are uniform in amplitude and the same in phase. The radial waveguide power distributor avoids the use of coaxial TEM modes; and the radial waveguide power distributor has the advantages of larger circuit dimensions and lower processing requirement; in addition, the loss of the circular waveguide TE01 mode is reduced with the increase of frequency; and the radial waveguide power distributor is particularly suitable for power distribution and synthesis circuits of the millimeter wave frequency high end.

Description

Based on TE 01the radial waveguide power divider of mould
Technical field
The present invention relates to millimeter wave power synthesis technical field, be specifically related to a kind of based on circular waveguide TE 01the radial waveguide power divider of mould.
Background technology
Millimeter-wave power amplifiers is the core component of millimeter-wave systems, it is the study hotspot of millimeter wave field, millimeter-wave power amplifiers is widely used in fields such as military radar system, radio astronomy and space and short-distance wireless high-speed transfer, has huge using value and market prospects.Along with the maturation of three or five race's semiconductor technologies, the fan-out capability of single solid-state power amplifier MMIC constantly promotes, adopt the power synthetic technique of combination multiple coherent amplifier the power output capacity of amplifier can be promoted at double, thus reach the object replacing middle-size and small-size travelling wave tube, the performances such as volume is little, lightweight, cost is low, reliability is high, the life-span is long, voltage is low, failure rate is low can be realized.
For many power synthetic techniques, most importantly multichannel, broadband, low-loss power divider is realized, after being divided into some roads to amplify respectively a road signal, again power divider is used as the synthesis that power combiner completes multiple signals, the power output of final system equals each solid state device power output sum, thus realizes the multiplication of power output.
The people such as the JamesSchellenberg of QuinStar company of the U.S. have developed a kind of multichannel combining power amplifier module [" W-Band; 5WSolid-StatePowerAmplifier/Combiner " working in W-Band, author: JamesSchellenberg, EdwardWatkins, MiroslavMicovic, BumjinKim, andKyuHan; InternationalMicrowaveSymposiumDigest.IEEE, 2010,240-243.], the core circuit of this W-waveband multi-channel power synthesis amplifier is a same Axial and radial power divider based on TEM mould, be first coaxial line by rectangular waveguide transition, realize TE 10to the conversion of TEM pattern, utilizing coaxial line TEM mould to encourage radial power divider, each output port can obtain the signal of constant amplitude homophase, after solid state device amplifies, then is combined into a road.In this circuit, the size of coaxial line is very little, and need very harsh processing and matching requirements, manufacturing cost is high and rate of finished products is low, and when working frequency range is higher, size is less, and this structure is just difficult to realize more.
The present invention adopts circular waveguide to replace coaxial line structure, utilizes the higher mode TE in circular waveguide 01mould, as Main Patterns, having loss with frequency is inverse ratio, the advantages such as circuit size is large, especially uses the application with millimeter wave high end frequency.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can be applicable to the high-end waveguide multipath power distributor of millimeter-wave frequency, and Land use models transducer has encouraged TE in circular waveguide 01mould.TE 01mould is not only time symmetric mode, is also space symmetr mould, therefore can obtain the signal of constant amplitude homophase at each distribution port.
The present invention solves the problems of the technologies described above adopted technical scheme: this waveguide power divider comprises a rectangular waveguide input port, a circular waveguide, a matching structure and several (n >=2) rectangular waveguide output ports.TE in rectangular waveguide 10mould is divided into through 180 ° of power splitters that two-way amplitude is equal, the signal of phase 180 °, this two paths of signals is again via the identical 180 ° of power splitters in two, the second level, the amplitude that obtains is identical, phase place delayed 180 ° tetra-road signals successively, this four roads signal, by matching structure, is combined into a TE in circular waveguide 01mould, thus the spacetime symmetry realizing Electric Field Distribution on circular waveguide cross section; This circular waveguide input port, matching structure and several (n>=2) rectangular waveguide output ports, can realize TE 01mould is to n rectangular waveguide TE 10the patten transformation of mould and constant amplitude homophase power division.
Further, described 180 ° of power splitters are 180 ° of Y type waveguide power dividers, and two delivery outlets are fed into two other Y type waveguide power divider respectively by S type waveguide bend.
Further, described second level Y type waveguide power divider is turned round by waveguide arc and the outgoing position of four road signals is adjusted to circular waveguide excitation mouth, for encouraging TE 01mould.
Further, the input signal of described radial power divider is TE 01mould, is divided into the TE of n>=2 road rectangular waveguide 10mould, the constant amplitude homophase of each output port.Wherein matching structure is a thin large round platform.
Beneficial effect of the present invention: the conversion of this radial waveguide power divider Land use models realizes input rectangular waveguide TE 10mould is to circular waveguide TE 01the conversion of mould, although TE 01mould is higher mode, but can effectively suppress other patterns due to the particular design of the mode switching section of this structure and its feeding classification, realizes single mode transport.TE in circular waveguide 01the field structure of mould is spacetime symmetry about the center of circle, can be used in radial power divider, and the constant amplitude merit obtaining n road signal is divided.This invention is compared with using the TEM mould of coaxial line, and the size of its benefit mainly circuit is larger, and reduce processing request, it is high-end that this structure is particularly useful for millimeter-wave frequency.
Accompanying drawing explanation
Fig. 1 the present invention is based on TE 01the structural representation (structure chart of radial waveguide power divider 1) of the radial waveguide power divider of mould;
Fig. 2 the present invention is based on TE 01structure vertical view (the structure vertical view of radial waveguide power divider 1) in the radial waveguide power divider of mould;
Fig. 3 the present invention is based on TE 01distributor schematic diagram (schematic diagram of distributor 6 and section thereof) in the radial waveguide power divider of mould;
Fig. 4 the present invention is based on TE 01the curve chart of the radial waveguide power divider of mould is (based on TE 01the S parameter figure of the radial waveguide power divider of mould);
Fig. 5 the present invention is based on TE 01the radial waveguide power divider of mould is applied to power synthesis circuit schematic diagram (the present invention is applied to power synthesis circuit schematic diagram);
Fig. 6 the present invention is based on TE 01the radial waveguide power divider of mould is applied to the curve chart (the present invention is applied to the passive network S parameter figure of power synthesis circuit) of power synthesis circuit;
Description of symbols in Fig. 1: input port 1, Y type waveguide power divider 2,201 and 202, mode converter coupling 501, circular waveguide 502, output port P1, P2 ..., Pn.Description of symbols in Fig. 2: four excitation mouth positions 301,302,303 and 304 of circular waveguide.Description of symbols in Fig. 3: distributor 6, its section shows its matching structure 601,601 and comprises thin 602.Description of symbols in Fig. 4: m1 is the coupling amount of each delivery outlet, and for n=12, m1=-10log (n)=-10.73dB, red line represents the return loss of port one.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
As shown in Figure 1, this radial waveguide power divider 1 is by circular waveguide 502 one end connection mode conversion portion 4 (shown in Fig. 2), and the other end connects distributor 6 (shown in Fig. 3) and forms.Described radial waveguide power divider 1 input port 1, output port is P1, P2 ..., Pn (n >=2).Shown in Fig. 1,2, this mode switching section, comprises input port 1, the first order 180 ° of Y type waveguide power dividers 2, two ends S type turns round waveguide 203 and 204, two 180 °, second level Y type waveguide power dividers 201 and 202, the excitation interface 301,302,303 and 304 of circular waveguide 502, carried out from rectangular waveguide input port 1 TE 10to the TE of circular waveguide delivery outlet 502 01the conversion of mould; As shown in Figure 3, this distributor 6, comprises circular waveguide 502, delivery outlet P1, P2 ..., Pn (n>=2), matching structure 601, described matching structure 601 is made up of a thin structure 602.
In the above-described embodiment, input signal pattern is TE 10mould, input from rectangular waveguide port one, two-way amplitude equal phase is divided into differ the signal of 180 ° via the first order 180 ° of Y type Waveguide branching knots, this two paths of signals is respectively by S type waveguide bend 203 and 204, right maintenance amplitude equal phase is appointed to differ 180 °, and then respectively through two 180 °, second level Y type Waveguide branching knot 201 and 202, be divided into the signal that four tunnel amplitudes are equal.
Signal leading to four excitation mouth 301,302,303 and 304 places of circular waveguide 502 are obtained the equal signal of four amplitudes, delayed 180 ° successively, their phase place by four waveguide bends.TE can be played at circular waveguide 502 underexcitation by matching structure 501 01mould.TE in circular waveguide 01mould, can be divided into some roads by distributor 6, and wherein matching structure 601 can make the reflection coefficient of input port 1 minimum, and described matching structure 601 is formed by thin 602, distributor 6 thus realize TE in circular waveguide 502 01mould to rectangular waveguide output port P1, P2 ..., Pn place TE 10the same phase partitioning of power constant amplitude of mould.
In addition, the delivery outlet of a pair radial waveguide power divider is docked, distribution and the synthesis of signal energy can be realized, can be widely used in microwave and millimeter wave power synthesis amplifier.
Embodiment
In this embodiment, structure as shown in Figure 1, radial waveguide power divider works in W frequency range, operating frequency 90 ~ 98GHz, input port 1, output port P1, P2 ... Pn is the waveguide of BJ100 standard rectangular, size 2.54mm × 1.27mm, and the diameter of circular waveguide 502 is 2.39mm.Signal is inputted by port one, is converted to the TE in circular waveguide 502 through mode converter 01mould, then be assigned to output port P1, P2 through distributor 6 constant amplitude ..., Pn, in this example, n=12, the coupling amount of each output port is-10log (n)=-10.73dB.Each port is about circular waveguide 502 Central Symmetry, and have good width and to balance each other type, as shown in Figure 4, the return loss of input port is less than-20dB to the S parameter of each port, and the insertion loss of each output port is almost equal, all at about 10.78dB.
The docking of the delivery outlet of a pair radial waveguide power divider just be may be used in power synthesis amplifier.As shown in Figure 5, output port microstrip probe is coupled on microstrip line, after the signal distributed amplifies by access amplifier, microstrip probe is coupled to each input of synthesizer again, just can realize signal power synthesis, its S parameter as shown in Figure 6, within the scope of 91-97GHz, reflection coefficient of port loss is less than-16dB, and insertion loss is less than 0.5dB.This invention, at millimeter wave, has great using value in the power synthesis circuit that especially millimeter-wave frequency is high-end.

Claims (5)

1. based on TE 01the power divider (1) of mould, described radial waveguide power divider (1) comprises rectangular waveguide input port (1) and multiple power division port (P1, P2, Pn), described power divider (1) is divided into by one 180 ° power splitters (2) signal (201) and (202) that two-way amplitude is equal, this two paths of signals phase 180 °, respectively again after 180 ° of power splitters (201) and (202), be divided into again the signal that four tunnel amplitudes are equal, can four excitations mouth (301) of mode converter (4), (302), (303) and (304) place obtain the equal signal of four amplitudes, delayed 180 ° successively, their phase place, again through four waveguide bends, can meet about centrosymmetric ring electric field incentive condition at the excitation mouth of circular waveguide (502), just circular waveguide TE can have been encouraged by matching structure (501) 01mould.TE 01mould has spatial symmetry on the cross section of circular waveguide (502), distributor (6) can be passed through and be divided into some roads, wherein matching structure (601) can make the reflection coefficient of input port (1) minimum, thus realize input port (1) to output port (P1, P2,, Pn) the same phase partitioning of power constant amplitude.When inputting the signal of constant amplitude homophase at port (P1, P2, Pn), radial power divider (1) just can obtain the synthesis of n road signal in port (1).
2. radial power divider as claimed in claim 1, is characterized in that: described 180 ° of power splitters (2) are waveguide 180 ° Y type power splitter.
3. 180 °, second level power splitter (201) as claimed in claim 1 and (202) are also Y type waveguide power divider, turned round the outgoing position of four road signals is adjusted to circular waveguide encourage mouth, for encouraging TE by waveguide arc 01mould.
4. radial power divider as claimed in claim 1, is characterized in that: the matching structure (601) in radial power splitter (6) is made up of a thin large round platform (602), distributes way n >=2.
5. when radial power divider as claimed in claim 1 is used for power synthesis circuit, it is characterized in that: signal inputs from port (1), after n road amplifier amplifies, then this radial power divider is used as power combiner use, obtains composite signal from port (101).
CN201510469227.5A 2015-08-04 2015-08-04 TE01 mode based radial waveguide power distributor Pending CN105356025A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106356605A (en) * 2016-10-26 2017-01-25 成都锐芯盛通电子科技有限公司 TM01 mode-based radial waveguide power distributor and power combiner
CN110323522A (en) * 2019-05-27 2019-10-11 深圳大学 A kind of TE based on H-T connector power division network10-TEn0Mode converter
CN111755790A (en) * 2020-06-19 2020-10-09 电子科技大学 TE based on coaxial waveguide01Modulo arbitrary multi-path power divider/combiner
CN113224493A (en) * 2021-04-30 2021-08-06 电子科技大学 N-path waveguide space radial power distribution combiner based on coaxial TE01 mode
CN114039184A (en) * 2021-10-26 2022-02-11 武汉星伴通信设备有限责任公司 Multipath radial power synthesis amplifier
CN114497951A (en) * 2022-01-19 2022-05-13 合肥应为电子科技有限公司 Millimeter wave band space radial power combiner
CN115411474A (en) * 2022-10-09 2022-11-29 电子科技大学 Rectangular waveguide-over-mode coaxial waveguide mode converter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393384A (en) * 2014-11-13 2015-03-04 华南理工大学 High-isolation small-sized radial power distributor/synthesizer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393384A (en) * 2014-11-13 2015-03-04 华南理工大学 High-isolation small-sized radial power distributor/synthesizer

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHING-FANG YU ET AL: "High-Performance Circular TE01-Mode Converter", 《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》 *
周强: "毫米波固态功率合成", 《中国优秀硕士学位论文全文数据库信息科技辑》 *
陈会林，谢小强: "一种基于径向波导的Ka 波段宽带功分器设计", 《微波学报》 *
韩煦: "固态功率合成及高功率放大器技术研究", 《中国硕士学位论文全文数据库信息科技辑》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106356605A (en) * 2016-10-26 2017-01-25 成都锐芯盛通电子科技有限公司 TM01 mode-based radial waveguide power distributor and power combiner
CN106356605B (en) * 2016-10-26 2021-11-09 成都锐芯盛通电子科技有限公司 Based on TM01Radial waveguide power divider and power combiner for modes
CN110323522A (en) * 2019-05-27 2019-10-11 深圳大学 A kind of TE based on H-T connector power division network10-TEn0Mode converter
CN110323522B (en) * 2019-05-27 2021-08-13 深圳大学 TE based on H-T joint power distribution network10-TEn0Mode converter of
CN111755790A (en) * 2020-06-19 2020-10-09 电子科技大学 TE based on coaxial waveguide01Modulo arbitrary multi-path power divider/combiner
CN113224493A (en) * 2021-04-30 2021-08-06 电子科技大学 N-path waveguide space radial power distribution combiner based on coaxial TE01 mode
CN114039184A (en) * 2021-10-26 2022-02-11 武汉星伴通信设备有限责任公司 Multipath radial power synthesis amplifier
CN114497951A (en) * 2022-01-19 2022-05-13 合肥应为电子科技有限公司 Millimeter wave band space radial power combiner
CN114497951B (en) * 2022-01-19 2023-05-02 合肥应为电子科技有限公司 Millimeter wave band space radial power synthesizer
CN115411474A (en) * 2022-10-09 2022-11-29 电子科技大学 Rectangular waveguide-over-mode coaxial waveguide mode converter
CN115411474B (en) * 2022-10-09 2023-06-27 电子科技大学 Rectangular waveguide-overmode coaxial waveguide mode converter

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Application publication date: 20160224