CN105449319B - A kind of Stripline-style ferrite phase shifter - Google Patents
A kind of Stripline-style ferrite phase shifter Download PDFInfo
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- CN105449319B CN105449319B CN201510970286.0A CN201510970286A CN105449319B CN 105449319 B CN105449319 B CN 105449319B CN 201510970286 A CN201510970286 A CN 201510970286A CN 105449319 B CN105449319 B CN 105449319B
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- strip line
- phase shifter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/181—Phase-shifters using ferroelectric devices
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Abstract
A kind of Stripline-style ferrite phase shifter, belong to microwave communication devices field.The first ferrite layer, first medium layer, second dielectric layer and the second ferrite layer are followed successively by from bottom to top, open a through hole in ferrite phase shifter center, it is respectively excitation coil structure, first module structure, second unit structure and third unit structure on four direction centered on through hole, the cellular construction includes the strip lines configuration between first medium layer and second dielectric layer and the metal column through ferrite phase shifter.Inventive tape wire type ferrite phase shifter can be substantially reduced the volume of ferrite phase shifter while the excellent properties in terms of taking into account insertion loss and mean power, realize integrated with active circuit；And the matching problem of dielectric material and Ferrite Material need not be considered, substantially reduce technology difficulty；Three phase shifter elements are integrated in a phase shifter space, add integrated level, improve the utilization rate of the line of magnetization.
Description
Technical field
The invention belongs to microwave communication devices field, and in particular to a kind of Stripline-style ferrite phase shifter.
Background technology
Phase shifter applied to field of microwave communication mainly has PIN, MMIC phase shifter, MEMS phase shifters and ferrite phase shift
Device.Wherein, ferrite phase shifter relative to the forms such as PIN diode, MMIC phase shifter, in insertion loss, power consumption and power
There is very big advantage in terms of capacity.
Microwave ferrite phase shifter common at present mainly has two classes：One kind is utilized in conventional waveguide (such as rectangular waveguide)
The form making of ferrite core is loaded, such as typical Reggia-Spencer phase shifters, this conventional waveguide type ferrite is moved
Waveguide dimensions are determined by the electromagnetic wavelength propagated in phase device, it is difficult to compress, cause the volume and weight of phase shifter all larger,
And it is difficult to be connected with active circuit；Another kind of made based on plane coupled transmission line, such as strip line based on LTCC techniques
Formula phase shifter, such phase shifter need to consider the matching problem of Ferrite Material and dielectric material, and technology difficulty is big, and such phase shift
Performance of the device in terms of phase shift degree and Insertion Loss is also poor.Therefore, how the same of the volume and weight of ferrite phase shifter is being reduced
When, ensure its good performance, turn into current ferrite phase shifter and develop faced a big technical barrier.
The content of the invention
The invention provides a kind of Stripline-style ferrite phase shifter, the Stripline-style ferrite phase shifter is taking into account insertion
While excellent properties in terms of loss and mean power, the volume of ferrite phase shifter can be substantially reduced, is realized and active electrical
Road integrates.
Technical scheme is as follows：
A kind of Stripline-style ferrite phase shifter, the first ferrite layer, first medium layer, second Jie are followed successively by from bottom to top
A through hole is opened at matter layer and the second ferrite layer, the ferrite phase shifter center, on the four direction centered on through hole respectively
For excitation coil structure, first module structure, second unit structure and third unit structure, the two neighboring side in four direction
To vertical, the first module structure, second unit structure and the second ferrite layer upper surface of third unit structure and first
With setting metallic conductor, the cellular construction is included between first medium layer and second dielectric layer for ferrite layer lower surface
Strip lines configuration and the metal column through ferrite phase shifter four-layer structure, the strip lines configuration include the first input banding
Line, the second matching strip line, the 3rd coupling strip line, the 4th matching strip line and the 5th output strip line, first input
It is vertical that strip line with second matches strip line, and the second matching strip line matches that strip line is vertical, and second matches strip line with the 4th
The 3rd coupling strip line is concatenated between the 4th matching strip line, the 4th matching strip line is connected with the 5th output strip line and position
In on same straight line, input for cellular construction of the first input strip line and the 5th output strip line, output port, banding
The both sides of cable architecture respectively set metal column of the row parallel to the first input strip line；The excitation coil structure includes being wound in
First coil on first ferrite layer and the second coil being wound on the second ferrite layer, using solenoid winding method,
The first coil and the coiling of the second coil are in opposite direction, the output end of the first coil and the input phase of the second coil
Even, the output end of the input of first coil and the second coil is respectively two input electrode ports of excitation coil structure, is used
In application voltage pulse.
Further, the through hole is shaped as square, rectangle, circle, triangle etc..
Further, the metal column is metal filled cylinder, cuboid etc., for suppressing higher mode.
Further, the spacing of the second matching strip line and central through hole edge is 0.7mm.
Further, the first input the distance between strip line and adjacent metal post a is 2.5mm, and the described 5th is defeated
It is 2.5mm to go out the distance between strip line and adjacent metal post.
Further, the first medium layer and second dielectric layer are made using PCB technology, LTCC techniques etc., and described the
One ferrite layer and the second ferrite layer are made using LTCC techniques, HTCC techniques etc..
Further, first ferrite layer and the second ferrite layer material selection have gyromagnetism, low-coercivity, low
The spinel ferrite powder of lossy microwave, such as LiZn ferrites, YIG ferrites, it is made through batch mixing, curtain coating and lamination.
Further, the characteristic impedance of the first input strip line and the 5th output strip line remains 50 ohm, the
The conductor width of one coil and the second coil does not limit.
Further, the first input strip line, the second matching strip line, the 4th matching strip line and the 5th output band
The length of shape line, width, and the width of the 3rd coupling strip line, gap and article number equidimension, can be according to the work of phase shifter
Frequency and phase-shift phase determine.
Further, the first coil, the second coil use the type metal conductor on ferrite layer, or traditional
Enamel-covered wire coiling obtains.
Further, the length of the 3rd coupling strip line is quarter-wave odd-multiple.
The operation principle of phase shifter of the present invention is as follows：
The microwave input/output terminal of each cellular construction of phase shifter is coupled with microwave circuit, in excitation coil structure
Two input electrode ports between apply voltage pulse；During feed-in forward voltage pulse, the first ferrite layer and the second ferrite
Layer will be saturated magnetization, and after removing magnetizing current, ferrite would operate in remnant magnetism state, now the output port of each unit structure
Obtain a fixed phase；When feed-in negative voltage pulse, ferritic remnant magnetism state will be changed, obtain a new phase
Position, it is poor so as to obtain a non-reciprocal phase.
Beneficial effects of the present invention are：
1st, Stripline-style ferrite phase shifter provided by the invention is compared with traditional rectangular waveguide type ferrite phase shifter, body
Product greatly reduces, while can be connected by strip line with active circuit, be advantageously implemented phase shifter miniaturization and and its
His Microwave Active circuit it is integrated.
2nd, Stripline-style ferrite phase shifter provided by the invention need not consider the matching of dielectric material and Ferrite Material
Problem, substantially reduce technology difficulty；And obtained ferrite phase shifter has insertion loss low and average power capacity is big
Excellent properties.
3rd, three phase shifter elements are integrated in a phase shifter sky by Stripline-style ferrite phase shifter provided by the invention
In, integrated level is added, improves the utilization rate of the line of magnetization.
Brief description of the drawings
Fig. 1 is the overall structure figure of inventive tape wire type ferrite phase shifter, and 1 is through hole, and 2 be excitation coil structure；
Fig. 2 is that structure of the inventive tape wire type ferrite phase shifter between first medium layer and second dielectric layer is shown
It is intended to；Wherein, 3 be cellular construction；
Fig. 3 is the top view of inventive tape cable architecture and metal column；Wherein, 4 be metal column, and 5 be the first input banding
Line, 6 be the second matching strip line, and 7 be the 3rd coupling strip line, and 8 be the 4th matching strip line, and 9 be the 5th output strip line；
Fig. 4 is the coil-winding schematic diagram in inventive tape wire type ferrite phase shifter excitation coil structure；
Fig. 5 is inventive tape wire type ferrite phase shifter insertion loss simulation result figure；
Fig. 6 is inventive tape wire type ferrite phase shifter return loss simulation result figure；
Fig. 7 is inventive tape wire type ferrite phase shifter phase-shift phase analogous diagram.
Embodiment
With reference to the accompanying drawings and examples, technical scheme is described in detail.
Embodiment
Fig. 1,2 be Stripline-style ferrite phase shifter of the embodiment of the present invention structural representation, including from bottom to top the
One ferrite layer, first medium layer, second dielectric layer and the second ferrite layer, the ferrite phase shifter center open one through the
One ferrite layer, first medium layer, second dielectric layer, the square through hole 1 of the second ferrite layer four-layer structure, square through hole and iron
Oxysome phase shifter has identical center, is respectively excitation coil structure 2, the on the four direction centered on square through hole 1
One cellular construction, second unit structure and third unit structure, the two neighboring direction in four direction is vertical, and described first is single
Meta structure, the second ferrite layer upper surface of second unit structure and third unit structure and the first ferrite layer lower surface are set
Metallic conductor, the cellular construction 3 includes the strip lines configuration between first medium layer and second dielectric layer and passed through
The metal column 4 of ferrite phase shifter four-layer structure is worn, the strip lines configuration includes the first input strip line 5, the second matching strip
Shape line 6, the 3rd U-shaped coupling strip line the 7, the 4th match strip line 8 and the 5th and export strip line 9, the first input strip line 5
It is vertical to match strip line 6 with second, it is vertical that the second matching strip line 6 with the 4th match the line of banding 8, second match strip line 6 and
The 3rd U-shaped coupling strip line 7, the 4th matching strip line 8 and the 5th output phase of strip line 9 are concatenated between 4th matching strip line 8
Even and it is located along the same line, the first input strip line 5 and the 5th exports input, output of the strip line 9 for cellular construction
Port, and it is located remotely from the same side of central through hole；The both sides of the strip lines configuration respectively set a row parallel to the first input
The metal column 4 of strip line；The excitation coil structure includes the first coil that is wound on the first ferrite layer and is wound in the
The second coil on two ferrite layers, using solenoid winding method (as shown in Figure 4), the first coil and the second coil
Coiling is in opposite direction, to ensure the magnetic direction on the first ferrite layer and the second ferrite layer on the contrary, the first coil
Output end is connected with the input of the second coil, and the output end of the input of first coil and the second coil is respectively excitation coil
Two input electrode ports of structure, for applying voltage pulse.
Further, it is 50 ohm of strip lines that the first input strip line 5 and the 5th, which exports strip line 9,；Described second
Match strip line 6 and the 4th and match strip line 8 as quarter-wave matching.
Further, the length of side of the square through hole 1 is 9.6mm.
Further, the first medium layer and the RT/duroid that the dielectric material of second dielectric layer is Rogers companies
6010, dielectric constant 10.2, tangent loss angle are 0.0023, and the thickness of first medium layer and second dielectric layer is 0.1mm.
Further, first ferrite layer and the second ferrite layer use the π MS of saturation induction density 4 for
2300gauss LiZn ferrite slurries, are made by LTCC techniques；The thickness of first ferrite layer and the second ferrite layer is
0.9mm.Each ferrite layer brushes 9 layers, is 0.1mm per thickness degree, by gyromagnet Li ferrite preburning powdered material tape casting diaphragm through beating
The techniques such as hole, lamination, through hole note silver, isostatic pressed, sintering are made.
Further, the strip lines configuration is by 50 ohm of input strip lines, quarter-wave matching section, U-shaped coupling
Strip line, quarter-wave matching section and 50 ohm of output strip lines are sequentially connected composition, are made using PCB technology.It is described
The first input width of strip line 5 and the 5th output banding line width are that (it doesn't matter for banding line length, and width determines it by 0.3mm
Impedance is 50 ohm, and the first input banding line length is 9.3mm in embodiment, and the 5th output banding line length is 2.5mm)；The
The two matching length of strip line 6 are 2.1mm, width 0.25mm；3rd U-shaped coupling strip line 7 is by 9 sections of identical strip line structures
It is 2.2mm into, every section of length, width 0.2mm, gap is 0.2mm, line width 0.2mm between every section；4th matching banding
The length of line 6 is 3.6mm, width 0.25mm.
Further, the both sides of the strip lines configuration respectively set row's metal cylinder, and a row shares 6 metal cylinders,
A diameter of 0.4mm of each cylinder, the spacing for often arranging adjacent column center in metal cylinder is 1mm.
Further, the spacing of the second matching strip line and central through hole edge is 0.7mm；First input tape
The distance between shape line and adjacent metal post a are 2.5mm, and the distance between described 5th output strip line and adjacent metal post are
2.5mm。
Further, the first coil in the excitation coil structure and the second coil using silk screen print method respectively the
The top layer and bottom printed conductor pattern of one ferrite layer and the second ferrite layer, are connected, shape by metal column between layers
Into solenoid winding method, the output end of first coil connects the input of the second coil, the input of first coil and second
The output end of coil is respectively the input/output terminal of excitation coil structure, for applying voltage pulse.First coil or the second line
The winding method of circle is as shown in Figure 4.
Further, the size of the Stripline-style ferrite phase shifter is the wide * height=30.2mm*30.2mm*2mm of long *,
It is significantly smaller than conventional rectangular guide type phase shifter, while can be connected by strip line with active circuit, is advantageously implemented phase shift
The miniaturization of device and integrated with other Microwave Active circuits.
Fig. 5,6,7 respectively embodiment Stripline-style ferrite phase shifter insertion loss simulation result figure, return loss are imitated
True result figure and phase-shift phase analogous diagram.From Fig. 5,6,7, Stripline-style ferrite phase shifter described in embodiment, its center frequency
Rate is 9.2GHz, and working frequency enters S12 is lost in 8.2GHz~10.2GHz, band width interpolation<- 1.9dB, return loss S11<-
17dB, reach 350 degree of phase-shift phase in 9.2GHz, there is maximum 360 degree of phase-shift phase in 8.8GHz, there is minimum in 10.2GHz
290 degree of phase-shift phase.
Claims (9)
1. a kind of Stripline-style ferrite phase shifter, the first ferrite layer, first medium layer, second medium are followed successively by from bottom to top
A through hole is opened at layer and the second ferrite layer, the ferrite phase shifter center, is respectively on the four direction centered on through hole
Excitation coil structure, first module structure, second unit structure and third unit structure, the two neighboring direction in four direction
Vertically, the second ferrite layer upper surface of the first module structure, second unit structure and third unit structure and the first iron
With setting metallic conductor, the cellular construction includes the band between first medium layer and second dielectric layer for oxysome layer lower surface
Shape cable architecture and the metal column through ferrite phase shifter four-layer structure, the strip lines configuration include the first input banding
Line, the second matching strip line, the 3rd coupling strip line, the 4th matching strip line and the 5th output strip line, first input
It is vertical that strip line with second matches strip line, and the second matching strip line matches that strip line is vertical, and second matches strip line with the 4th
The 3rd coupling strip line is concatenated between the 4th matching strip line, the 4th matching strip line is connected with the 5th output strip line and position
In on same straight line, input for cellular construction of the first input strip line and the 5th output strip line, output port, banding
The both sides of cable architecture respectively set metal column of the row parallel to the first input strip line；The excitation coil structure includes being wound in
First coil on first ferrite layer and the second coil being wound on the second ferrite layer, using solenoid winding method,
The first coil and the coiling of the second coil are in opposite direction, the output end of the first coil and the input phase of the second coil
Even, the output end of the input of first coil and the second coil is respectively two input electrode ports of excitation coil structure.
2. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that the through hole is shaped as pros
Shape, rectangle, circle, triangle.
3. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that the metal column is metal filled
Cylinder or cuboid.
4. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that it is described second matching strip line with
The spacing at central through hole edge is 0.7mm.
5. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that it is described first input strip line with
The distance between adjacent metal post a is 2.5mm, and the 5th output the distance between the strip line and adjacent metal post are 2.5mm.
6. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that it is described first input strip line and
The characteristic impedance of 5th output strip line remains 50 ohm.
7. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that the first input strip line,
Second matching strip line, the length of the 4th matching strip line and the 5th output strip line, width, and the 3rd coupling strip line
Width, gap and bar number, determined according to the working frequency of phase shifter and phase-shift phase.
8. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that the first coil, the second line
Circle is obtained using the type metal conductor on ferrite layer, or enamel-covered wire coiling.
9. Stripline-style ferrite phase shifter according to claim 1, it is characterised in that the 3rd coupling strip line
Length is quarter-wave odd-multiple.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970286.0A CN105449319B (en) | 2015-12-21 | 2015-12-21 | A kind of Stripline-style ferrite phase shifter |
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| CN201510970286.0A CN105449319B (en) | 2015-12-21 | 2015-12-21 | A kind of Stripline-style ferrite phase shifter |
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| CN105449319A CN105449319A (en) | 2016-03-30 |
| CN105449319B true CN105449319B (en) | 2017-12-15 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105789739A (en) * | 2016-04-01 | 2016-07-20 | 电子科技大学 | Micro-strip line type ferrite phase shifter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1259224A (en) * | 1969-03-20 | 1972-01-05 | ||
| CN101557024A (en) * | 2009-05-20 | 2009-10-14 | 电子科技大学 | Stripline-style ferrite phase shifter based on LTCC technology |
| CN104201442A (en) * | 2014-07-16 | 2014-12-10 | 电子科技大学 | Microstrip line phase shifter based on LTCC technology |
-
2015
- 2015-12-21 CN CN201510970286.0A patent/CN105449319B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1259224A (en) * | 1969-03-20 | 1972-01-05 | ||
| CN101557024A (en) * | 2009-05-20 | 2009-10-14 | 电子科技大学 | Stripline-style ferrite phase shifter based on LTCC technology |
| CN104201442A (en) * | 2014-07-16 | 2014-12-10 | 电子科技大学 | Microstrip line phase shifter based on LTCC technology |
Non-Patent Citations (3)
| Title |
|---|
| "A Slow Wave Digital Ferrite Strip Transmission Line Phase Shifter";R. R. JONES;《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》;19661231;第14卷(第12期);第684-688页 * |
| "FINITE ELEMENT MODELING OF FERRITE PHASE SHIFTERS";Steven N. Stitzer 等;《1996 IEEE MTT-S International Microwave Symposium Digest》;19960621;第1卷;第125-128页 * |
| "薄壁钛合金Reggia-Spencer移相器的结构实现";陶魏巍 等;《现代雷达》;20140415;第36卷(第4期);第82-84页 * |
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