CN102354776A - Broadband electrically-tuning phase shifter - Google Patents
Broadband electrically-tuning phase shifter Download PDFInfo
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- CN102354776A CN102354776A CN2011103181594A CN201110318159A CN102354776A CN 102354776 A CN102354776 A CN 102354776A CN 2011103181594 A CN2011103181594 A CN 2011103181594A CN 201110318159 A CN201110318159 A CN 201110318159A CN 102354776 A CN102354776 A CN 102354776A
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Abstract
The invention discloses a broadband electrically-tuning phase shifter, in particular to a broadband electrically-tuning phase shifter controlled by univoltage. The phase shifter comprises one path serial branch, three paths of parallel branches, and a univoltage direct-current biasing circuit. All variable capacitance diodes in the circuit are all uniformly controlled by a low-pass filter feeding network formed by capacitors and inductors; and the univoltage is regulated to change the capacitance values of all variable capacitance diodes to control the phase position of the phase shifter while a specific broadband signal conduction function is realized. In addition to the characteristic of broadband phase shifting on the performance, the broadband electrically-tuning phase shifter also has the characteristics of small volume and low cost, and is energy-saving and environmentally-friendly, is convenient to assemble systems, and can be widely applied to fields, such as novel microwave device design, antennas and the like.
Description
Technical field
The present invention relates to a kind of voltage controlled phase shifter, relate in particular to a kind of broadband voltage controlled phase shifter of univoltage control.
Background technology
Phase shifter has a wide range of applications in numerous technical fields such as radar, communication, instrument, instrument.Especially the appearance of phased array radar has promoted the development of adjustable phase shifter greatly; Phased array radar relies on the phase shifter in the T/R assembly to realize the skyborne scanning of antenna beam, and the quality of indexs such as the phase shifting accuracy of phase shifter and response speed directly has influence on accuracy that system's wave beam locatees and the velocity of wave main lobe inhibition degree to secondary lobe aloft.Along with the development of mobile communication technology, phase shifter is widely used in the modulation-demodulation technique, thereby phase shifter can be controlled the direction of antenna beam in the mobile communication " eliminating illiteracy " to the no signal zone in addition.
Along with the development and the military needs of Aeronautics and Astronautics technology, Measurement Phase has been proposed some new requirements reached more high resolution like higher certainty of measurement.One of most important parts are exactly phase shifter in the Measurement Phase.The development of measuring system is very fast, and this has also proposed more urgent requirement for the novel phase shifter of development.The development phase shifting accuracy is high, the insertion loss is little, phase place is adjustable continuously, volume is little, phase shifter in light weight, with low cost, that reliability is high becomes problem demanding prompt solution.
Left-right-hand composite transmission line is owing in aspect performance advantages such as bandwidth, phase places, had a large amount of scientific research personnel to be engaged in relevant phase shifter design and engineering Application Research thereof abroad.Adopt the multi-layer sheet structure like people such as Christian Dam; The multivoltage controlling Design goes out based on the left-right-hand composite transmission line voltage controlled phase shifter [to see Christian Damm, Martin Schler, Jens Freese; And Rolf Jakoby; " Artificial Line Phase Shifter with separately tunable Phase and Line Impedance ", Proceedings of the 36th European Microwave Conference, EuMC2006; P 423-426,2007].
Mohsen Sazegar, the voltage controlled phase shifter that people such as Yuliang Zheng adopt distributed left hand transmission line integrated ferroelectric material to design and are used for aerial array [is seen Mohsen Sazegar, Yuliang Zheng; Holger Maune, Christian Damm, Xianghui Zhou; Joachim Binder, Rolf Jakoby, " Low-Cost Phased-Array Antenna Using Compact Tunable Phase Shifters B ased on Ferroelectric Ceramics "; IEEE TRANSACTIONS ON MICROWAVE THEORYAND TECHNIQUES; VOL.59, NO.5, MAY 2011]; Domestic research to left-right-hand composite transmission line also is in the starting stage at present, and most of Related products all rest on the experimental stage, also do not report the left-right-hand composite transmission line technology is applied to practical project.People such as the ZOU Yong-zhuo of Zhejiang University design and utilize the phase shifter of traditional right hand transmission line and compound transmission contrast realization 90 degree phase shift function [to see ZOU Yong-zhuo, LIN Zhi-li, LING Ti; YAO Jun, HE Sailing, " A new broadband differential phase shifter fabricated using a novel CRLH structure "; Journal of Zhejiang University:Science A, v8, n10; P1568-1572, October 2007] because its fixedly phase shift; Have non-adjustablely, its practical engineering application is very limited.The J.Zhang of Hong Kong University, S.W.Cheung, T.I.Yuk once adopted distributed constant composite transmission line structure integrated PIN pipe to design 6 bit digital formula arrowband voltage controlled phase shifters [to see J.Zhang; S.W.Cheung, T.I.Yuk, " A Compact 6-bit Phase Shifter with High-Power Capacity Based on Composite Right/Left-Hand Transmission Line "; European Microwave Conference; EuMC2010, p437-440,2010].Because narrow bandwidth and the control of employing multivoltage have limited its application in reality.
Summary of the invention
The present invention provides a kind of broadband voltage controlled phase shifter based on left-right-hand composite transmission line, the characteristics that this voltage controlled phase shifter has that bandwidth is wide, amount of phase shift is big, size is little, be convenient to control, cost is low.
Technical scheme of the present invention is following:
A kind of broadband voltage controlled phase shifter, as shown in Figure 1, comprise a series arm, three parallel branches and a univoltage dc bias circuit.
Said series arm comprises two inductance L
S1And L
S2, two variable capacitance diode D
1And D
2, two capacitor C
S1And C
S2With five microstrip lines; The first variable capacitance diode D
1Positive pole link to each other with the input of said broadband voltage controlled phase shifter through first microstrip line, its negative pole passes through second microstrip line and first inductance L
S1An end link to each other; The second variable capacitance diode D
2Positive pole link to each other with the output of said broadband voltage controlled phase shifter through the 5th microstrip line, its negative pole passes through the 4th microstrip line and second inductance L
S2An end link to each other; First inductance L
S1The other end and second inductance L
S2The other end between connect the 3rd microstrip line; First capacitor C
S1Be parallel to the first variable capacitance diode D
1On, second capacitor C
S2Be parallel to the second variable capacitance diode D
2On.
In said three parallel branches:
First parallel branch comprises the 3rd variable capacitance diode D
3, the 3rd capacitor C
P01With the 3rd inductance L
P21The 3rd variable capacitance diode D
3Positive pole and the 3rd inductance L
P21An end ground connection, the 3rd variable capacitance diode D
3Negative pole connect the 3rd capacitor C through the 6th microstrip line
P01An end, the 3rd capacitor C
P01The other end and the 3rd inductance L
P21The other end link to each other and be connected on first microstrip line of said series arm.
Second parallel branch comprises the 6th variable capacitance diode D
6, the 4th capacitor C
P02With the 4th inductance L
P22The 6th variable capacitance diode D
6Positive pole and the 4th inductance L
P22An end ground connection, the 6th variable capacitance diode D
6Negative pole connect the 4th capacitor C through the 9th microstrip line
P02An end, the 4th capacitor C
P02The other end and the 4th inductance L
P22The other end link to each other and be connected on the 5th microstrip line of said series arm.
The 3rd parallel branch comprises the 4th variable capacitance diode D
4, the 5th variable capacitance diode D
5, the 5th capacitor C
P1, the 6th capacitor C
P2With the 5th inductance L
P1Four, the 5th variable capacitance diode D
4And D
5Anodal and the 5th inductance L
P1An end ground connection, the 4th, the 5th variable capacitance diode D
4And D
5Negative pole connect the 6th capacitor C through the 8th microstrip line
P2An end, the 6th capacitor C
P2The other end and the 5th inductance L
P1The other end connect the 5th capacitor C through the 7th microstrip line
P1An end, the 5th capacitor C
P1The other end be connected on the 3rd microstrip line of said series arm.
Said univoltage dc bias circuit B comprises four inductance L
6, L
7, L
8And L
9With a capacitor C
7The dc offset voltage signal through the tenth microstrip line respectively with the 6th, seven, eight, nine inductance L
6, L
7, L
8And L
9An end link to each other the 6th inductance L
6The other end be connected on the 6th microstrip line of said first parallel branch the 7th inductance L
7The other end be connected on the 7th microstrip line of said the 3rd parallel branch the 8th inductance L
8The other end be connected on the 3rd microstrip line of said series arm the 9th inductance L
9The other end be connected on the 9th microstrip line of said second parallel branch; The 7th capacitor C
7An end ground connection, the 7th capacitor C
7The other end be connected on the tenth microstrip line.
In the such scheme, what need explanation is:
1, in the said series arm, the electric capacity of parallel connection on the variable capacitance diode, its effect is to reach the purpose that bandwidth is expanded in impedance matching.
2, in said the 3rd parallel branch, the 5th capacitor C
P1Effect be at a distance from straight feed with expand bandwidth; Adopt two parallelly connected variable capacitance diodes its objective is to increase capacitance with the change amount of voltage to reach the purpose that increases amount of phase shift.
3, the value of capacitor and inductor makes series resonance frequency and parallel resonance frequency as much as possible near the bandpass characteristics with the assurance circuit as far as possible in the circuit.
Broadband provided by the invention voltage controlled phase shifter comprises one tunnel series arm, three tunnel parallel branches, univoltage dc bias circuit B and the microstrip line that is used for the lamped element welding.The LPF feeding network B that all variable capacitance diodes all adopt electric capacity, inductance to constitute in the circuit unifies regulation and control; Change all varactor capacitance values through regulating univoltage, realize regulation and control simultaneously its phase place to be implemented in specific broadband signal conducting function.The characteristics of the broadband phase shift of the present invention on having performance, have also that volume is little, cost is low, energy-conserving and environment-protective and be convenient to the characteristics of the system integration, can be widely used in fields such as novel microwave designs, antenna.
4, other explanations: used lumped-parameter element is through being welded on 50 ohm microstrip in the circuit, and all micro belt line widths should satisfy 50 ohmage characteristic requirements, and length is as the criterion to satisfy the needed length of actual welding.Electric capacity, inductance, varactor and microstrip line are integrated on the microwave circuit boards and through microstrip line and carry out feed, realize that specific broadband signal conducting in the planar circuit is simultaneously to the regulation and control of its phase place.
5, to realize univoltage all varactors are unified regulation and control through the low-pass network that constitutes by electric capacity, inductance on the basis of the above.
The invention has the beneficial effects as follows: the present invention adopts the integrated microstrip line of lumped-parameter element, and adopts the univoltage dc bias circuit that all varactors are regulated and control, and has the advantage that volume is little, cost is low with respect to the distributed circuit structure; Can select different electric capacity, inductance value to regulate required turn-on frequency, amount of phase shift according to the needs of reality in the practical application.The 0-180 of phase place ° of continuous adjustable making has the great degree of freedom on phase control in addition.Can realize on the performance of the present invention that phase place 0-180 degree is adjustable continuously in relative bandwidth 40% frequency range, the entire circuit structure belongs to planar circuit, has the advantages that to transplant conveniently and be convenient to the system integration.。
Description of drawings
Fig. 1 is the circuit structure diagram of broadband of the present invention voltage controlled phase shifter.
Fig. 2 is the S parameter amplitude test result of circuit structure of the present invention.
Fig. 3 is the S of circuit structure of the present invention
21The phase test result.
Embodiment
Fig. 1 is the circuit structure diagram of broadband of the present invention voltage controlled phase shifter, comprises a series circuit, three parallel branches and a univoltage dc bias circuit B.
Said series arm comprises two inductance L
S1And L
S2, two variable capacitance diode D
1And D
2, two capacitor C
S1And C
S2With five microstrip lines; The first variable capacitance diode D
1Positive pole link to each other with the input of said broadband voltage controlled phase shifter through first microstrip line, its negative pole passes through second microstrip line and first inductance L
S1An end link to each other; The second variable capacitance diode D
2Positive pole link to each other with the output of said broadband voltage controlled phase shifter through the 5th microstrip line, its negative pole passes through the 4th microstrip line and second inductance L
S2An end link to each other; First inductance L
S1The other end and second inductance L
S2The other end between connect the 3rd microstrip line; First capacitor C
S1Be parallel to the first variable capacitance diode D
1On, second capacitor C
S2Be parallel to the second variable capacitance diode D
2On.
Introduce respectively in the face of three parallel branches down.
First parallel branch comprises the 3rd variable capacitance diode D
3, the 3rd capacitor C
P01With the 3rd inductance L
P21The 3rd variable capacitance diode D
3Positive pole and the 3rd inductance L
P21An end ground connection, the 3rd variable capacitance diode D
3Negative pole connect the 3rd capacitor C through the 6th microstrip line
P01An end, the 3rd capacitor C
P01The other end and the 3rd inductance L
P21The other end link to each other and be connected on first microstrip line of said series arm.
Second parallel branch comprises the 6th variable capacitance diode D
6, the 4th capacitor C
P02With the 4th inductance L
P22The 6th variable capacitance diode D
6Positive pole and the 4th inductance L
P22An end ground connection, the 6th variable capacitance diode D
6Negative pole connect the 4th capacitor C through the 9th microstrip line
P02An end, the 4th capacitor C
P02The other end and the 4th inductance L
P22The other end link to each other and be connected on the 5th microstrip line of said series arm.
The 3rd parallel branch comprises the 4th variable capacitance diode D
4, the 5th variable capacitance diode D
5, the 5th capacitor C
P1, the 6th capacitor C
P2With the 5th inductance L
P1Four, the 5th variable capacitance diode D
4And D
5Anodal and the 5th inductance
Lp1An end ground connection, the 4th, the 5th variable capacitance diode D
4And D
5Negative pole connect the 6th capacitor C through the 8th microstrip line
P2An end, the 6th capacitor C
P2The other end and the 5th inductance L
P1The other end connect the 5th capacitor C through the 7th microstrip line
P1An end, the 5th capacitor C
P1The other end be connected on the 3rd microstrip line of said series arm.
Said univoltage dc bias circuit B comprises four inductance L
6, L
7, L
8And L
9With a capacitor C
7The dc offset voltage signal through the tenth microstrip line respectively with the 6th, seven, eight, nine inductance L
6, L
7, L
8And L
9An end link to each other the 6th inductance L
6The other end be connected on the 6th microstrip line of said first parallel branch the 7th inductance L
7The other end be connected on the 7th microstrip line of said the 3rd parallel branch the 8th inductance L
8The other end be connected on the 3rd microstrip line of said series arm the 9th inductance L
9The other end be connected on the 9th microstrip line of said second parallel branch; The 7th capacitor C
7An end ground connection, the 7th capacitor C
7The other end be connected on the tenth microstrip line.
Above-mentioned four inductance (L
6, L
7, L
8, L
9) and the 7th electric capacity (C
7) the formation low-pass network; To realize that all varactors are unified biasing control; The microstrip line that is used for the lamped element welding adopts rectangle structure; Its width satisfies the requirement of 50 ohm characteristic impedance, and length also need be adjusted according to the global optimization result of circuit structure except satisfying the necessary size of welding.In addition, being prepared into that four of the rectangle microstrip line right angles can also be suitable is circular-arc to reduce radiation loss.
The integrated circuit of the broadband voltage controlled phase shifter of the embodiment of the invention is integrated on the homemade F4B substrate, and input and output are 50 Ω microstrip lines.Varactor is chosen BB833 series varactor in the circuit, and patch capacitor, inductance value are preferably: L
S1=L
S2=5.6nH, L
P1=3.9nH, L
P21=L
P22=8.2nH, C
P01=C
P02=6.2pF, C
P2=10pF; C
P1=10pF; C
S1=C
S2=0.5pF.
In the embodiment of the invention; First varactor through in the series arm is parallelly connected with first patch capacitor, second varactor is parallelly connected with second patch capacitor; And connect with patch capacitor, thereby expanded the broadband effectively through varactor in first parallel branch, second parallel branch.Simultaneously, all varactors are unified biasing control, realized electric accent phase shift through univoltage dc bias circuit B.
Fig. 2 is a S parameter amplitude test result of the present invention.Can find out that by S parameter testing result this phase shifter band connection frequency is 1GHz-1.5GHz, relative bandwidth is 40%, passband internal reflection coefficient S
11Less than-10dB.
Fig. 3 is S of the present invention
21The phase test result, the adjustable range of univoltage is 5V to 20V, realizes that in 40% relative bandwidth scope 0 to 180 ° in phase place is continuous adjustable.
Claims (5)
1. a broadband voltage controlled phase shifter comprises a series arm, three parallel branches and a univoltage dc bias circuit;
Said series arm comprises two inductance (L
S1And L
S2), two variable capacitance diode (D
1And D
2), two electric capacity (C
S1And C
S2) and five microstrip lines; First variable capacitance diode (the D
1) positive pole link to each other with the input of said broadband voltage controlled phase shifter through first microstrip line, its negative pole passes through second microstrip line and the first inductance (L
S1) an end link to each other; Second variable capacitance diode (the D
2) positive pole link to each other with the output of said broadband voltage controlled phase shifter through the 5th microstrip line, its negative pole passes through the 4th microstrip line and the second inductance (L
S2) an end link to each other; First inductance (the L
S1) the other end and the second inductance (L
S2) the other end between connect the 3rd microstrip line; First electric capacity (the C
S1) be parallel to the first variable capacitance diode (D
1) on, the second electric capacity (C
S2) be parallel to the second variable capacitance diode (D
2) on;
In said three parallel branches:
First parallel branch comprises the 3rd variable capacitance diode (D
3), the 3rd electric capacity (C
P01) and the 3rd inductance (L
P21); The 3rd variable capacitance diode (D
3) positive pole and the 3rd inductance (L
P21) an end ground connection, the 3rd variable capacitance diode (D
3) negative pole meet the 3rd electric capacity (C through the 6th microstrip line
P01) an end, the 3rd electric capacity (C
P01) the other end and the 3rd inductance (L
P21) the other end link to each other and be connected on first microstrip line of said series arm;
Second parallel branch comprises the 6th variable capacitance diode (D
6), the 4th electric capacity (C
P02) and the 4th inductance (L
P22); The 6th variable capacitance diode (D
6) positive pole and the 4th inductance (L
P22) an end ground connection, the 6th variable capacitance diode (D
6) negative pole meet the 4th electric capacity (C through the 9th microstrip line
P02) an end, the 4th electric capacity (C
P02) the other end and the 4th inductance (L
P22) the other end link to each other and be connected on the 5th microstrip line of said series arm;
The 3rd parallel branch comprises the 4th variable capacitance diode (D
4), the 5th variable capacitance diode (D
5), the 5th electric capacity (C
P1), the 6th electric capacity (C
P2) and the 5th inductance (L
P1); Four, the 5th variable capacitance diode (D
4And D
5) anodal and the 5th inductance (L
P1) an end ground connection, the 4th, the 5th variable capacitance diode (D
4And D
5) negative pole meet the 6th electric capacity (C through the 8th microstrip line
P2) an end, the 6th electric capacity (C
P2) the other end and the 5th inductance (L
P1) the other end meet the 5th electric capacity (C through the 7th microstrip line
P1) an end, the 5th electric capacity (C
P1) the other end be connected on the 3rd microstrip line of said series arm;
Said univoltage dc bias circuit (B) comprises four inductance (L
6, L
7, L
8And L
9) and an electric capacity (C
7); The dc offset voltage signal through the tenth microstrip line respectively with the 6th, seven, eight, nine inductance (L
6, L
7, L
8And L
9) an end link to each other the 6th inductance (L
6) the other end be connected on the 6th microstrip line of said first parallel branch the 7th inductance (L
7) the other end be connected on the 7th microstrip line of said the 3rd parallel branch the 8th inductance (L
8) the other end be connected on the 3rd microstrip line of said series arm the 9th inductance (L
9) the other end be connected on the 9th microstrip line of said second parallel branch; The 7th electric capacity (C
7) an end ground connection, the 7th electric capacity (C
7) the other end be connected on the tenth microstrip line.
2. broadband according to claim 1 voltage controlled phase shifter is characterized in that, said seven electric capacity (C
S1, C
S2, C
P01, C
P02, C
P1, C
P2And C
7) be patch capacitor.
3. broadband according to claim 1 voltage controlled phase shifter is characterized in that, said ten microstrip line characteristic impedances are 50 ohm.
4. broadband according to claim 1 voltage controlled phase shifter is characterized in that, in said ten microstrip lines, four angles of every microstrip line are circular-arc.
5. broadband according to claim 1 voltage controlled phase shifter is characterized in that, said six variable capacitance diode (D
1, D
2, D
3, D
4, D
5And D
6) be BB833 series capister.
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|---|---|---|---|
| CN 201110318159 CN102354776B (en) | 2011-10-19 | 2011-10-19 | Broadband electrically-tuning phase shifter |
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|---|---|---|---|
| CN 201110318159 CN102354776B (en) | 2011-10-19 | 2011-10-19 | Broadband electrically-tuning phase shifter |
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| CN102354776B CN102354776B (en) | 2013-08-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346335A (en) * | 2013-06-07 | 2013-10-09 | 苏州金科发锂电池有限公司 | Intelligent multi-matching disposable special lithium battery pack |
| CN104202015A (en) * | 2014-08-31 | 2014-12-10 | 南京信息工程大学 | Microwave lumped parameter 180-degree electrically controlled phase shifter |
| CN109509940A (en) * | 2018-12-26 | 2019-03-22 | 南京米乐为微电子科技有限公司 | A kind of continuously adjustable analog phase shifter |
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| US20030034858A1 (en) * | 2001-08-16 | 2003-02-20 | Yongfei Zhu | Analog rat-race phase shifters tuned by dielectric varactors |
| CN101197460A (en) * | 2007-11-28 | 2008-06-11 | 中国科学技术大学 | Microwave phase shifter based on plane type left hand microstrip transmission line |
| CN202259604U (en) * | 2011-10-19 | 2012-05-30 | 电子科技大学 | Phase shifter of broadband electronic speed controller |
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2011
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030034858A1 (en) * | 2001-08-16 | 2003-02-20 | Yongfei Zhu | Analog rat-race phase shifters tuned by dielectric varactors |
| CN101197460A (en) * | 2007-11-28 | 2008-06-11 | 中国科学技术大学 | Microwave phase shifter based on plane type left hand microstrip transmission line |
| CN202259604U (en) * | 2011-10-19 | 2012-05-30 | 电子科技大学 | Phase shifter of broadband electronic speed controller |
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| Title |
|---|
| 鲍迪等: "基于CRLH结构的移相器和功分器设计", 《电子学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346335A (en) * | 2013-06-07 | 2013-10-09 | 苏州金科发锂电池有限公司 | Intelligent multi-matching disposable special lithium battery pack |
| CN103346335B (en) * | 2013-06-07 | 2015-08-26 | 苏州金科发锂电池有限公司 | The disposable special lithium battery group of intelligence polygamy |
| CN104202015A (en) * | 2014-08-31 | 2014-12-10 | 南京信息工程大学 | Microwave lumped parameter 180-degree electrically controlled phase shifter |
| CN104202015B (en) * | 2014-08-31 | 2017-11-10 | 南京信息工程大学 | 180 ° of voltage controlled phase shifters of microwave lumped parameter |
| CN109509940A (en) * | 2018-12-26 | 2019-03-22 | 南京米乐为微电子科技有限公司 | A kind of continuously adjustable analog phase shifter |
| WO2020134419A1 (en) * | 2018-12-26 | 2020-07-02 | 南京米乐为微电子科技有限公司 | Continuously adjustable analog phase shifter |
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| CN102354776B (en) | 2013-08-14 |
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Effective date of registration: 20170721 Address after: Dingshuzhen pottery road Yixing City, Jiangsu province 214200 No. 138 Patentee after: Jiangsu Hengxin Science & Technology Co., Ltd. Address before: 611731 Chengdu province high tech Zone (West) West source Avenue, No. 2006 Patentee before: University of Electronic Science and Technology of China |
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