CN103682543A - Microwave power synthesizer - Google Patents
Microwave power synthesizer Download PDFInfo
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- CN103682543A CN103682543A CN201310497614.0A CN201310497614A CN103682543A CN 103682543 A CN103682543 A CN 103682543A CN 201310497614 A CN201310497614 A CN 201310497614A CN 103682543 A CN103682543 A CN 103682543A
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- radial waveguide
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- microwave power
- isolation
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Abstract
The invention discloses a microwave power synthesizer which comprises a radial waveguide power divider. Each radial waveguide of the radial waveguide power divider is connected with a Wilkinson power divider. According to the invention, the Wilkinson power dividers are additionally arranged at the radial waveguide ends of a present radial waveguide power divider, so that one radial waveguide input end is expanded to two input ends, and the density of power synthesis is improved. At the same time, isolating resistors are additionally arranged outside isolating grooves to further improve the isolation degree among different branches of the power synthesizer.
Description
Technical field
The present invention relates to a kind of microwave power synthesizer, belong to the synthetic field of microwave power.
Background technology
Microwave high power power synthetic technique became the focus that people pay close attention in the last few years.The advantages such as to have operating voltage low due to microwave high power synthesizer, and the life-span is long, and volume is little, and withstand shock vibration is strong, so be subject to especially the attention of various countries in military and space application aspect.Supreme century 70 starts in succession to have carried out the power synthetic technique based on solid state microwave device in the world.
E.Belohoubek, a kind of radially line style power composite structure that the people such as R.Brown proposed in 1986, there were again in recent years the people such as Aly E.Fathy to develop this structure, formed a kind of comparatively method for designing of the ripe microwave power synthesizer based on medium radial waveguide.Radially composite structure can have been realized the synthetic advantage in any road with its compact structure and has been widely used.In evolution in recent years, the isolation how further improving between integral density and raising port becomes the new direction that industry is paid close attention to.
Summary of the invention
Goal of the invention: the present invention proposes a kind of microwave power synthesizer, has better isolation and higher power integral density.
Technical scheme: the technical solution used in the present invention is a kind of microwave power synthesizer, comprises radial waveguide power splitter, and each radial waveguide in described radial waveguide power splitter connects a Wilkinson power splitter.
As a modification of the present invention, between adjacent radial waveguide, be provided with quarter-wave isolation channel, and at isolation channel extension place, the first isolation resistance be set.This first isolation resistance is 12 Ω.
As of the present invention, enter a kind of improvement, the second isolation resistance of described wilkinson power splitter is 100 Ω.
As another improvement of the present invention, between this microwave power synthesizer output and radial waveguide power splitter, be provided with Butterworth impedance transformer.
Beneficial effect: the radial waveguide end of the present invention in existing radial waveguide power splitter increases Wilkinson power splitter, and a radial waveguide input is extended to two inputs, improved the synthetic density of power.In isolation channel extension, set up isolation resistance, further to have improved the isolation between each branch road of power combiner simultaneously.
Accompanying drawing explanation
Fig. 1 is the vertical view of microwave power synthesizer of the present invention;
Fig. 2 is the sectional view of microwave power synthesizer of the present invention;
Fig. 3 is the output standing wave Electromagnetic Simulation result figure of microwave power synthesizer of the present invention;
Fig. 4 is the interport isolation Electromagnetic Simulation result figure of microwave power synthesizer of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of various equivalents of the present invention.
As depicted in figs. 1 and 2, microwave power synthesizer of the present invention comprises dielectric disc 4.The geometric center of dielectric disc 4 is vertically provided with Butterworth coaxial impedance converter 14.Butterworth coaxial impedance converter 14 one end are welded on the geometric center position of dielectric disc 4, and the other end connects SMA out splice going splice 1.Butterworth coaxial impedance converter 14 comprises and is positioned at inner coaxial transmission line 2, and is positioned at outside outer conductor 13.Wherein coaxial transmission line 2 is in series by two joint quarter wavelength impedance transducers.
External microwave signal enters Wilkinson power splitter 11 from input 7.Wilkinson power splitter 11 is a kind of three port devices, and itself is just provided with the second isolation resistance 12 between two inputs 7, and this second isolation resistance 12 is 100 Ω.Microwave signal enters radial waveguide 10 after by Wilkinson power splitter 11, radial waveguide 10 be applied in the present invention power synthetic in.As can be seen from Figure 1, eight radial waveguides 10 form annular array, round the geometric center of dielectric-slab 4.Dielectric-slab 4 diameter 53mm, adopting the Rogers5880 medium that thickness is 0.254mm is making material.And each radial waveguide 10 has the width of 30mm, between adjacent two radial waveguides 10, be provided with quarter-wave isolation channel 5.In order to strengthen isolation effect, at the extension place of isolation channel 5, also set up the first isolation resistance 6 of resistance value 12 Ω.Described quarter-wave isolation channel 5 length are 9.1mm, width 0.2mm.Microwave signal from 16 inputs 7 is pooled to the Butterworth coaxial impedance converter 14 that is positioned at dielectric-slab 4 centers by eight radial waveguides 10.The internal diameter of Butterworth coaxial impedance converter 14 outer conductors 13 is 4.2mm, and this outer conductor 13 is directly connected with dielectric-slab 4 tops 8.And 50 Ω coaxial transmission line 2 diameters that are positioned at outer conductor 13 inside are 1.8mm, length 3mm, this coaxial transmission line 2 is connected with the bottom 9 of Wilkinson power splitter.The other end of Butterworth coaxial impedance converter 14 is provided with SMA out splice going splice 1, so Butterworth coaxial impedance converter 14 plays the effect of impedance transformation, realizes the impedance matching of power combiner and output external loading.
The microwave power synthesizer of the present invention of producing according to said process is applicable to microwave C-band.In the result of C-band Electromagnetic Simulation as shown in Figure 3 and Figure 4, wherein Fig. 3 is the simulation result figure of output standing wave to above-described embodiment Shi No. six microwave synthesizers, from simulation result, can find out that output standing wave is less than 1.5dB.Fig. 4 is the simulation result figure of interport isolation, from simulation result, can find out that each interport isolation is all greater than 15dB, and most interport isolations are greater than 20dB.
Claims (5)
1. a microwave power synthesizer, comprises radial waveguide power splitter, it is characterized in that, each radial waveguide in described radial waveguide power splitter connects a Wilkinson power splitter.
2. microwave power synthesizer according to claim 1, is characterized in that, is provided with quarter-wave isolation channel between adjacent radial waveguide, and at isolation channel extension place, the first isolation resistance is set.
3. microwave power synthesizer according to claim 2, is characterized in that, described the first isolation resistance is 12 Ω.
4. microwave power synthesizer according to claim 1, is characterized in that, the second isolation resistance of described wilkinson power splitter is 100 Ω.
5. microwave power synthesizer according to claim 1, is characterized in that, between this microwave power synthesizer output and radial waveguide power splitter, is provided with Butterworth impedance transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310497614.0A CN103682543A (en) | 2013-10-22 | 2013-10-22 | Microwave power synthesizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310497614.0A CN103682543A (en) | 2013-10-22 | 2013-10-22 | Microwave power synthesizer |
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| CN103682543A true CN103682543A (en) | 2014-03-26 |
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| CN201310497614.0A Pending CN103682543A (en) | 2013-10-22 | 2013-10-22 | Microwave power synthesizer |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716435A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Encapsulation interlayer antenna capable of achieving gap amplitude calibration |
| CN104716439A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Three-dimensional encapsulation surface antenna capable of achieving gap amplitude calibration |
| CN104716436A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap embedding amplitude calibration |
| CN104716437A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap phase and amplitude calibration |
| CN104716434A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap embedding phase calibration |
| CN104779446A (en) * | 2015-04-02 | 2015-07-15 | 南京邮电大学 | Planar horn antenna with function of gap amplitude calibration |
| CN104779445A (en) * | 2015-04-02 | 2015-07-15 | 南京邮电大学 | Three-dimensional packaging surface antenna with function of gap embedded phase amplitude calibration |
| CN107611544A (en) * | 2017-08-23 | 2018-01-19 | 北京无线电测量研究所 | A kind of C-band wideband power distributor |
| CN110597348A (en) * | 2019-09-20 | 2019-12-20 | 成都沃特塞恩电子技术有限公司 | Power synthesis method and system |
| CN110718733A (en) * | 2018-07-11 | 2020-01-21 | 深南电路股份有限公司 | Radio frequency power synthesizer |
| CN112290183A (en) * | 2020-09-29 | 2021-01-29 | 中国航空工业集团公司雷华电子技术研究所 | High-isolation high-power synthesizer based on waveguide structure |
| CN114256581A (en) * | 2021-12-06 | 2022-03-29 | 电子科技大学 | Radial waveguide power divider/synthesizer based on novel high-isolation network |
| CN114976555A (en) * | 2022-06-23 | 2022-08-30 | 中国电子科技集团公司第五十五研究所 | Ultra-wideband radial power combiner |
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| US4641107A (en) * | 1985-05-21 | 1987-02-03 | Rca Corporation | Printed circuit radial power combiner with mode suppressing resistors fired at high temperature |
| US6242984B1 (en) * | 1998-05-18 | 2001-06-05 | Trw Inc. | Monolithic 3D radial power combiner and splitter |
| CN102496763A (en) * | 2011-12-09 | 2012-06-13 | 电子科技大学 | Wideband multi-channel substrate integrated waveguide power divider adopting novel high-isolation technology |
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2013
- 2013-10-22 CN CN201310497614.0A patent/CN103682543A/en active Pending
Patent Citations (3)
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| US4641107A (en) * | 1985-05-21 | 1987-02-03 | Rca Corporation | Printed circuit radial power combiner with mode suppressing resistors fired at high temperature |
| US6242984B1 (en) * | 1998-05-18 | 2001-06-05 | Trw Inc. | Monolithic 3D radial power combiner and splitter |
| CN102496763A (en) * | 2011-12-09 | 2012-06-13 | 电子科技大学 | Wideband multi-channel substrate integrated waveguide power divider adopting novel high-isolation technology |
Non-Patent Citations (1)
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| CHENG HAIFEN等: "A Design of C-Band Improved Radial Power Combiner", 《SOLID-STATE AND INTEGRATED-CIRCUIT TECHNOLOGY, 2008. ICSICT 2008. 9TH INTERNATIONAL CONFERENCE ON》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716435A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Encapsulation interlayer antenna capable of achieving gap amplitude calibration |
| CN104716439A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Three-dimensional encapsulation surface antenna capable of achieving gap amplitude calibration |
| CN104716436A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap embedding amplitude calibration |
| CN104716437A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap phase and amplitude calibration |
| CN104716434A (en) * | 2015-03-30 | 2015-06-17 | 东南大学 | Plane horn antenna capable of achieving gap embedding phase calibration |
| CN104779445A (en) * | 2015-04-02 | 2015-07-15 | 南京邮电大学 | Three-dimensional packaging surface antenna with function of gap embedded phase amplitude calibration |
| CN104779446A (en) * | 2015-04-02 | 2015-07-15 | 南京邮电大学 | Planar horn antenna with function of gap amplitude calibration |
| CN107611544A (en) * | 2017-08-23 | 2018-01-19 | 北京无线电测量研究所 | A kind of C-band wideband power distributor |
| CN110718733A (en) * | 2018-07-11 | 2020-01-21 | 深南电路股份有限公司 | Radio frequency power synthesizer |
| CN110597348A (en) * | 2019-09-20 | 2019-12-20 | 成都沃特塞恩电子技术有限公司 | Power synthesis method and system |
| CN112290183A (en) * | 2020-09-29 | 2021-01-29 | 中国航空工业集团公司雷华电子技术研究所 | High-isolation high-power synthesizer based on waveguide structure |
| CN112290183B (en) * | 2020-09-29 | 2022-02-22 | 中国航空工业集团公司雷华电子技术研究所 | High-isolation high-power synthesizer based on waveguide structure |
| CN114256581A (en) * | 2021-12-06 | 2022-03-29 | 电子科技大学 | Radial waveguide power divider/synthesizer based on novel high-isolation network |
| CN114256581B (en) * | 2021-12-06 | 2023-02-28 | 电子科技大学 | Radial waveguide power divider/synthesizer based on high-isolation network |
| CN114976555A (en) * | 2022-06-23 | 2022-08-30 | 中国电子科技集团公司第五十五研究所 | Ultra-wideband radial power combiner |
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Application publication date: 20140326 |