CN110350280A - The not equal power splitters of miniaturization 6:1 Wilkinson based on phasmon waveguide - Google Patents
The not equal power splitters of miniaturization 6:1 Wilkinson based on phasmon waveguide Download PDFInfo
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- CN110350280A CN110350280A CN201910666085.XA CN201910666085A CN110350280A CN 110350280 A CN110350280 A CN 110350280A CN 201910666085 A CN201910666085 A CN 201910666085A CN 110350280 A CN110350280 A CN 110350280A
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- wilkinson
- minor matters
- miniaturization
- inductance
- waveguide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
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Abstract
The invention discloses a kind of, and the miniaturization 6:1 Wilkinson based on phasmon waveguide does not wait power splitters, in traditional Wilkinson power divider structure basis, two sections of inductance load artificial surface phasmon waveguide minor matters are increased, the minor matters are arranged by the basic unit loaded cable period of artificial surface phasmon waveguide.Inductance of the present invention loads artificial surface phasmon Wave guide unit, has bigger wave vector under special frequency channel than traditional artificial surface phasmon unit, and the miniaturization that Wilkinson does not wait power splitters size can be well realized.The present invention provides a kind of suitable high function of construction, and the Wilkinson of ratio to be divided not wait power splitters design method, can realize device miniaturization on the basis of keeping high function point than 6:1 and good power splitter performance.
Description
Technical field
The present invention relates to a kind of, and the miniaturization 6:1 Wilkinson based on phasmon waveguide does not wait power splitters, belongs to novel
Microwave device, Novel manual electromagnetic material technical field.
Background technique
Power divider is the critical component for being widely used in various microwave circuits and wireless communication system.Wilkinson function
Point device is one of power splitter the most typical, and design is convenient, functional, can on all of the port perfect matching, and
Ideal isolation is provided between output port.The most common power splitter is function point than equal part, however as power-division ratios
Increase, requirement of traditional Wilkinson frequency divider to micro-strip or high impedance with line so that its uneven design be difficult to realize and
Manufacture.Existing typically not equal function point are than realizing circuit structure defectively structure and two-sided parallel strip cable architecture.However, above-mentioned
Two methods divide the raising degree of ratio to be limited function, and require to occupy bottom, influence other layers in multi-layer board.In order to
Solve the above problems, propose a kind of not equal power splitters of the novel Wilkinson based on minor matters in parallel, however, the power splitter with
The increase of power-division ratios, minor matters length also increase with it, this brings new challenge to device miniaturization.
In order to realize miniaturization while keeping superperformance, artificial surface phasmon structure, the structure are introduced
A kind of electromagnetic mode for being confined to metal surface is supported into far-infrared spectrum in microwave, and the mode of bigger wave vector is supported to pass
It broadcasts.Using its excellent slow wave characteristic, the miniaturization of power splitter can be preferably realized
Summary of the invention
Goal of the invention: it is an object of the invention to solve existing power splitter to divide the raising degree of ratio to be limited function,
And require the problem of occupying bottom, influencing other layer in multi-layer board；And the existing not equal power splitters size of solution is larger, it is unfavorable
In the limitation of device miniaturization the problem of.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of not equal power splitters of the miniaturization 6:1 Wilkinson based on phasmon waveguide, are mainly loaded by two sections of inductance
Artificial surface phasmon waveguide minor matters and etc. line widths microstrip structure constitute；The labor statement that two sections of minor matters are loaded by inductance
Face phasmon Wave guide unit periodic arrangement composition.
Using such design, assembly is simple.
Further, the power splitter is in addition to two sections of minor matters, by etc. the microstrip structures of line widths form.
Further, two sections of minor matters are unilateral comb shape, and the teeth portion of comb shape is cracked, artificial surface phasmon load electricity
Sense is welded on comb shape tooth and cracks place, and all inductance are provided with identical inductance value.
The artificial surface phasmon waveguide of the inductance load, is optimized by structure design and size and inductance adds
The structure of load, so that the communication mode wave vector supported is significantly increased compared with traditional structure, so as to significantly realize the small of device
Type.
Further, the excimers waveguide minor matters such as two sections of inductance load artificial surface have different length, and the one of two minor matters
End is located at two output ports, is connect with microstrip structure；The two minor matters other ends are opened a way.
The length that artificial surface phasmon waveguide minor matters are loaded by adjusting two inductance, may be implemented two output ports not
With power distribution ratio, theoretically any function point by the well-designed of minor matters length than that can be realized.
Further, two minor matters length of 6:1 power splitter is respectively 15mm and 8.5mm.
The present invention is directed 6:1 power splitter, however it is artificial by adjusting micro-strip part-structure length and the load of two inductance
Surface phasmon minor matters length, the adjustable working frequency range for not waiting power splitters, to be provided for circuit applicability
Bigger flexibility ratio.
The utility model has the advantages that the present invention is compared with prior art:
The not equal power splitters of a kind of miniaturization 6:1 Wilkinson based on phasmon waveguide provided by the invention, in microwave
Two output port 6:1 function point ratio may be implemented in section, and 1 reflection coefficient of port loss of the invention and output port isolation are in centre frequency
Place is below -19dB, and two output port power differences reach 7.68dB, and the present invention compares traditional not equal power splitters being loaded directly into
45% or more area reduction may be implemented.
Detailed description of the invention
Fig. 1 is the unilateral comb shape artificial surface phasmon cellular construction schematic diagram of tradition and its dispersion characteristics figure；
Fig. 2 is that novel inductor loads artificial surface phasmon cellular construction schematic diagram and its dispersion characteristics figure；
Fig. 3 is schematic structural view of the invention；
Fig. 4 is the present invention two output port S parameter curve graphs of emulation；
Fig. 5 is the present invention 1 reflection coefficient of port of emulation loss and output port isolation S parameter curve graph；
Fig. 6 is the present invention and traditional devices size comparison schematic diagram.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
Embodiment
A kind of not equal power splitters of the miniaturization 6:1 Wilkinson based on phasmon waveguide, are mainly loaded by two sections of inductance
Artificial surface phasmon waveguide minor matters and microstrip structure constitute；Artificial surface that two sections of minor matters are loaded by inductance etc. from
Excimer Wave guide unit periodic arrangement composition.
Using such design, assembly is simple.
The power splitter in addition to two sections of minor matters, by etc. the microstrip structures of line widths form.
Two sections of minor matters are unilateral comb shape, and the teeth portion of comb shape is cracked, and artificial surface phasmon loaded cable is welded on
Comb shape tooth cracks place, and all inductance are provided with identical inductance value.
Inductance load artificial surface phasmon waveguide, optimized by structure design and size and inductance load
Structure, so that the communication mode wave vector supported is significantly increased compared with traditional structure, so as to significantly realize the miniaturization of device.
The excimers waveguide minor matters such as two sections of inductance load artificial surfaces have different length, and one end of two minor matters is located at
At two output ports, it is connect with microstrip structure；The two minor matters other ends are opened a way.
The length that artificial surface phasmon waveguide minor matters are loaded by adjusting two inductance, may be implemented two output ports not
With power distribution ratio, theoretically any function point by the well-designed of minor matters length than that can be realized.
Two minor matters length of 6:1 power splitter is respectively 15mm and 8.5mm.
It is as shown in Figure 1 the unilateral comb shape artificial surface phasmon cellular construction schematic diagram of tradition and its dispersion characteristics figure,
By adjusting structural parameters in figure, the especially long h of comb shape tooth, it is as shown in Figure 1 cutoff frequency can be regulated and controled.Compared with microstrip line,
The unilateral comb shape artificial surface phasmon unit of tradition supports the propagation of bigger wave vector mode, and the long h of comb shape tooth is longer, cutoff frequency
Rate is lower, and the wave vector of special frequency channel transmission is bigger, which is that device miniaturization brings possibility.
It is illustrated in figure 2 novel inductor load artificial surface phasmon cellular construction schematic diagram and its dispersion characteristics figure,
The cutoff frequency of the supported communication mode of structure can be significantly reduced by loaded cable, and inductance value is bigger, cutoff frequency is got over
Low, the wave vector of special frequency channel transmission is bigger, and the degree of device miniaturization is bigger.
As shown in figure 3, W is line width, L1And L2The length of respectively two sections minor matters is schematic structural view of the invention, the present invention
By etc. line widths microstrip line part and two sections of inductance load artificial surface phasmon waveguide minor matters constitute.Strip square in figure
10nH inductance is represented, is welded on the cracking of comb shape tooth；Circular block represents 50 ohm chip resistors, plays buffer action.Signal is certainly
Left side port enters, and exports by design power ratio from the right two-port, adjusts two artificial surface phasmon waveguide minor matters length,
Different function point ratio may be implemented.
By changing such as graph structure dimensional parameters, can with design work different frequency range power splitter, to adapt to different works
Make the application demand of scene.
The present invention two output port S parameter curve graphs of emulation are illustrated in figure 4, at centre frequency 3GHz, two-port is defeated
Power decibels difference is 7.68dB out, can preferably realize the centimetre ratio of 6:1.
It is illustrated in figure 5 the loss of 1 reflection coefficient of port and output port isolation S parameter curve graph that the present invention emulates, it can be with
See at centre frequency 3GHz, 1 reflection coefficient of port loss S11 and output port isolation S32 is below -19dB；
It is illustrated in figure 6 the present invention and traditional devices size comparison schematic diagram, it can be seen that in device full-size direction
On, present invention power splitters size more not equal than conventional microstrip structure reduces 24.5mm, reduces the 45% of original structure size, preferably
Realize the small form factor requirements of device.
Claims (5)
1. a kind of not equal power splitters of miniaturization 6:1 Wilkinson based on phasmon waveguide, are mainly loaded by two sections of inductance
Artificial surface phasmon waveguide minor matters and etc. line widths microstrip structure constitute；It is characterized by: two sections of minor matters are added by inductance
The artificial surface phasmon Wave guide unit periodic arrangement of load forms.
2. the not equal power splitters of the miniaturization 6:1 Wilkinson according to claim 1 based on phasmon waveguide, feature
Be: the power splitter in addition to two sections of minor matters, by etc. the microstrip structures of line widths form.
3. the not equal power splitters of the miniaturization 6:1 Wilkinson according to claim 1 or 2 based on phasmon waveguide,
Be characterized in that: two sections of minor matters are unilateral comb shape, and the teeth portion of comb shape is cracked, and artificial surface phasmon loaded cable is welded on
Comb shape tooth cracks place, and all inductance are provided with identical inductance value.
4. the not equal power splitters of the miniaturization 6:1 Wilkinson according to claim 3 based on phasmon waveguide, feature
Be: the excimers waveguide minor matters such as two sections of inductance load artificial surfaces have different length, and one end of two minor matters is located at two
At output port, it is connect with microstrip structure；The two minor matters other ends are opened a way.
5. the not equal power splitters of the miniaturization 6:1 Wilkinson according to claim 3 based on phasmon waveguide, feature
Be: two minor matters length of 6:1 power splitter is respectively 15mm and 8.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666085.XA CN110350280B (en) | 2019-07-23 | 2019-07-23 | Miniaturized 6:1 Wilkinson unequal power divider based on plasmon waveguide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666085.XA CN110350280B (en) | 2019-07-23 | 2019-07-23 | Miniaturized 6:1 Wilkinson unequal power divider based on plasmon waveguide |
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| CN110350280A true CN110350280A (en) | 2019-10-18 |
| CN110350280B CN110350280B (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224208A (en) * | 2020-01-10 | 2020-06-02 | 东南大学 | Sub-wavelength orbital angular momentum resonator |
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| CN107275733A (en) * | 2017-06-05 | 2017-10-20 | 东南大学 | A kind of adjustable slow wave transmission line of cycle loading capacitance and short-circuit line |
| US20190056544A1 (en) * | 2016-07-25 | 2019-02-21 | Ramot At Tel-Aviv University Ltd. | System and method for optical filtering |
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2019
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| US20190056544A1 (en) * | 2016-07-25 | 2019-02-21 | Ramot At Tel-Aviv University Ltd. | System and method for optical filtering |
| CN106374176A (en) * | 2016-09-27 | 2017-02-01 | 东南大学 | Basic transmission line for transmitting artificial surface plasma polaritons and multi-layer transmission circuit and multi-functional device thereof |
| CN106887659A (en) * | 2017-02-22 | 2017-06-23 | 江苏赛博防务技术有限公司 | The artificial surface phasmon transmission line of cycle loading resistor and the method for regulation dispersion and loss |
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| CN111224208A (en) * | 2020-01-10 | 2020-06-02 | 东南大学 | Sub-wavelength orbital angular momentum resonator |
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