CN207818860U - A kind of waveguide power divider - Google Patents
A kind of waveguide power divider Download PDFInfo
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- CN207818860U CN207818860U CN201721840321.8U CN201721840321U CN207818860U CN 207818860 U CN207818860 U CN 207818860U CN 201721840321 U CN201721840321 U CN 201721840321U CN 207818860 U CN207818860 U CN 207818860U
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Abstract
The utility model provides a kind of waveguide power divider, the waveguide power divider includes integrally formed ontology, and the ontology has by front end to the rear end sequentially connected micro-strip waveguide transition portion of the waveguide power divider, wave guide power branch, guide filter portion, Waveguide-microbelt transition part.Not only there is the waveguide power divider work(to divide performance, but also have filter function, can select signal.Effectively improve the functionality of waveguide power divider.
Description
Technical field
The utility model is related to passive device technical field, more particularly to a kind of waveguide power divider.
Background technology
Power splitter is a kind of device that input signal energy all the way is divided into two-way or the equal or unequal energy of multiple-channel output
Part.
Millimeter wave is usually used in point-to-point communication, since millimetre-wave attenuator frequency is high, with roomy, usually increases high performance filter
Wave device increases the gated nature to signal.
In order to meet the needs of in engineer application, for the application of millimeter wave power, the function of power splitter is proposed more
High requirement not only needs to complete work(point function, also to need to select millimeter-wave signal, advantageously reduce Insertion Loss.
Utility model content
The utility model provides a kind of waveguide power divider, which not only there is work(to divide performance, but also have
Filter function can select signal.Effectively improve the functionality of waveguide power divider.
The utility model provides a kind of waveguide power divider, and the waveguide power divider includes integrally formed ontology, described
Body has to be filtered by the sequentially connected micro-strip in front end to the rear end-waveguide transition portion, wave guide power branch, waveguide of the waveguide power divider
Wave portion, waveguide-microstrip transition portion.
Optionally, the micro-strip-waveguide transition portion, the wave guide power branch, the guide filter portion and the waveguide-
The cavity in microstrip transition portion is interconnected.
Optionally, the micro-strip-waveguide transition portion includes the first micro-strip section and first wave guide section of connection, and described first is micro-
Band section is vertical with the first wave guide section, and the first wave guide section is connected to the access interface of the wave guide power branch.
Optionally, the first wave guide section is rectangular waveguide.
Optionally, the micro-strip-waveguide transition portion further comprises：First substrate, the first microstrip line, the first probe and
One impedance converts, and first microstrip line, first probe and first impedance transformation are attached at first substrate,
First substrate is set in the cavity in the micro-strip-waveguide transition portion, and first microstrip line is located at first micro-strip
In the cavity of section, first probe is inserted into the cavity of the first wave guide section, and the first impedance transformation is connected to described
Between first microstrip line and first probe.
Optionally, the wave guide power branch has multiple prismatic work(branch paths, and the work(branch path divides port
It is separately connected a guide filter portion.
Optionally, the quantity in the waveguide-microstrip transition portion is corresponding with the quantity in guide filter portion, each described
Waveguide-microstrip transition portion includes the second waveguide section and the second micro-strip section of connection, the second waveguide section and the second micro-strip
Duan Chuizhi, the second waveguide section is connected to the decoupling port in the guide filter portion, also, at least two waveguides-are micro-
The outbound course of the second micro-strip section with transition part is opposite.
Optionally, the waveguide-microstrip transition portion further comprises：Second substrate, the second microstrip line, the second probe and
Two impedances convert, and second microstrip line, second probe and second impedance transformation are attached at second substrate,
Second substrate is set in the cavity in the waveguide-microstrip transition portion, and second microstrip line is located at second micro-strip
In the cavity of section, second probe is inserted into the cavity of the second waveguide section, and the second impedance transformation is connected to described
Between second microstrip line and second probe.
Optionally, the guide filter portion has multiple waveguide cavities, and the waveguide cavity is located between two matrixs.
It can be seen from the above, the utility model provides a kind of waveguide power divider, including integrally formed ontology, the ontology have
By the sequentially connected micro-strip in front end to the rear end of waveguide power divider-waveguide transition portion, wave guide power branch, guide filter portion, waveguide-
Microstrip transition portion.Wherein, the micro-strip in micro-strip-waveguide transition portion in the waveguide insertion portion formed excitation, to complete signal by
Transition of the micro-strip to waveguide；Wave guide power branch carries out the work(point of signal, specifically could be provided as being divided into two decile or one point is
Trisection, or design work(point according to specific needs.Unlike the prior art, which also has guide filter portion
With waveguide-microstrip transition portion, after completing work(point, the guide filter portion in the waveguide power divider carries out waveguide bandpass filtering, complete
Transition of the signal by waveguide to micro-strip is completed at the gated nature of signal, then by waveguide-microstrip transition portion.The waveguide power divider is same
When realize the function of work(point and filtering, and complete in the waveguide, which sets millimetre-wave circuit
It can be with circuit seamless access in meter；Also, increased aluminium foil function is conducive to increase the selectivity to millimeter-wave signal, reduces
Insertion loss during wave guide power point.
Description of the drawings
Fig. 1 is the internal cavity schematic diagram of waveguide power divider in the utility model specific embodiment；
Fig. 2 is the internal structure in micro-strip-waveguide transition portion or waveguide-microstrip transition portion in the utility model specific embodiment
Schematic diagram；
Fig. 3 is the internal cavity structural schematic diagram of wave guide power branch in the utility model specific embodiment；
Fig. 4 is the internal cavity structural schematic diagram of waveguide filtering part in the utility model specific embodiment；
Fig. 5 is the technical indicator figure of waveguide power divider in the utility model specific embodiment.
Wherein, reference numeral is：
10 waveguide power dividers；
11 micro-strips-waveguide transition portion；
111 first micro-strip sections；
112 first wave guide sections；
113 first substrates；
114 first microstrip lines；
115 first probes；
116 first impedances convert；
12 wave guide power branches；
121 work(branch paths；
122 first matrixs；
123 second matrixs；
13 guide filter portions；
131 waveguide cavities；
132 third matrixs；
14 waveguides-microstrip transition portion；
141 second micro-strip sections；
142 second waveguide sections；
143 second substrates；
144 second microstrip lines；
145 second probes；
146 second impedances convert.
Specific implementation mode
In order to which the technical features, objects and effects for the technical solution protected to the requires of the utility model have more clear reason
Solution, now control illustrate specific embodiment of the present utility model, and identical label indicates identical part in the various figures.
In order to make simplified form, only schematically shown in each figure and the utility model relevant portion, and not generation
Practical structures of the table as product.In addition, so that simplified form is easy to understand, there is identical structure or function in some figures
Component has only symbolically shown one of those, or has only indicated one of those.
Shown in Figure 1, Fig. 1 is the schematic diagram of waveguide power divider in the utility model specific embodiment.
The technical solution of the utility model is described below in conjunction with the accompanying drawings.
In a specific embodiment, the utility model provides a kind of waveguide power divider 10, as shown in Figure 1, the wave guide power
It includes integrally formed ontology to divide device 10, which has the sequentially connected micro-strip-in front end to rear end by waveguide power divider 10
Waveguide transition portion 11, wave guide power branch 12, guide filter portion 13, waveguide-microstrip transition portion 14.Wherein, micro-strip-waveguide transition portion
Insertion portion forms excitation to 11 micro-strip in the waveguide, to complete transition of the signal by micro-strip to waveguide；Wave guide power branch 12
The work(point for carrying out signal, specifically could be provided as be divided into two decile or one dividing into three decile, or design work(according to specific needs
Point.Unlike the prior art, which also has guide filter portion 13 and waveguide-microstrip transition portion 14, when
After completing work(point, the guide filter portion 13 in the waveguide power divider 10 carries out waveguide bandpass filtering, completes the gated nature of signal, then
Transition of the signal by waveguide to micro-strip is completed by waveguide-microstrip transition portion 14.The waveguide power divider 10 realizes work(point simultaneously
It with the function of filtering, and completes in the waveguide, which can be in the design of millimetre-wave circuit
Circuit seamless access；Also, increased aluminium foil function is conducive to increase the selectivity to millimeter-wave signal, reduces wave guide power and divided
Insertion loss in journey.
The cavity in micro-strip-waveguide transition portion 11, wave guide power branch 12, guide filter portion 13 and waveguide-microstrip transition portion 14
It is interconnected.Wherein the cavity of the interconnected various pieces of as waveguide power divider 10 shown in FIG. 1, signal pass in the cavity
It passs.Be sequentially completed transition of the signal micro-strip to waveguide, the work(point of signal, the filtering of signal, signal by waveguide to micro-strip transition.
In a specific embodiment, as shown in Fig. 2, micro-strip-waveguide transition portion 11 includes the first micro-strip section 111 of connection
With first wave guide section 112, wherein the first micro-strip section 111 is vertical with first wave guide section 112, and first wave guide section 112 is connected to waveguide
The access interface of power splitter 10.Wherein, insertion coupling part of first micro-strip in first wave guide forms excitation, to complete to believe
Number transmission by micro-strip to waveguide transition.
Specifically, first wave guide section 112 can be rectangular waveguide.
Further, micro-strip-waveguide transition portion 11 includes the first substrate 113, the first microstrip line 114,115 and of the first probe
First impedance transformation 116, wherein the first microstrip line 114, the first probe 115 and the first impedance transformation 116 are attached at the first base
On piece 113, the first substrate 113 is arranged in the cavity in micro-strip-waveguide transition portion 11, and the first microstrip line 114 is located at the first micro-strip
In the cavity of section 111, the first probe 115 is inserted into the cavity of first wave guide section 112, and the first impedance transformation 116 is connected to first
Between microstrip line 114 and the first probe 115.
In a specific embodiment, the first substrate 113 selects high frequency substrate RO5880, wherein the electricity of the first substrate 113
It is often 202 to be situated between, and the thickness of the first substrate 113 is 0.254mm, and the width of the first substrate 113 is 2.0mm, by first substrate 113
Encapsulation is in the cavity.The width of first microstrip line 114 is 0.72mm, and distance of first microstrip line 114 apart from cavity is
1.0mm.First probe 115 is sheet metal, and the thickness of sheet metal is 0.018 μm, length 2.8mm, width 1.4mm.
Wave guide power branch 12 has multiple prismatic work(branch paths 121, in a specific embodiment, as shown in figure 3,
There are two prismatic work(branch paths 121 for the tool of wave guide power branch 12, in this way, signal one can be divided into two, each work(branch path
A 121 point port is separately connected a guide filter portion 13, and the signal after decile is filtered gating.
The faces H of wave guide power branch 12 increase the first matrix 122 and the second matrix 123 of metal, as shown in figure 3, by metal
The first matrix 122 and the second matrix 123 be arranged at T shapes, pass through the first matrix 122 of metal and the second matrix 123 and realize
Impedance converts.
Wherein, in a particular embodiment, a length of 1.15mm of the first matrix 122, width 0.5mm, the length of the second matrix 123
For 3.65mm, width 0.5mm.
Guide filter portion 13 utilizes waveguide coupled resonators, designs bandpass filter, to the gating of complete pair signals.It should
Guide filter portion 13 has multiple waveguide cavities 131, and waveguide cavity 131 is located between two matrixs, as shown in figure 4, specific
Provide the guide filter portion 13 that an exponent number is 3 ranks in embodiment, each waveguide cavity 131 be located at two third matrixs 132 it
Between, third matrix 132 stretches into the cavity in guide filter portion 13, so that having in the cavity in guide filter portion 13.
The quantity in waveguide-microstrip transition portion 14 is corresponding with the quantity in guide filter portion 13, that is to say, that each waveguide filter
Wave portion 13 is all connected with a waveguide-microstrip transition portion 14, and each waveguide-microstrip transition portion 14 includes the second waveguide section of connection
142 and the second micro-strip section 144141, second waveguide section 142 is vertical with the second micro-strip section 144141, and second waveguide section 142 is connected to
The decoupling port in guide filter portion 13, also, the output side of the second micro-strip section 144141 in the two waveguides-microstrip transition portion 14
To on the contrary, so that two paths of signals is reversed, in this way, when waveguide power divider 10 is using two links that can be worked simultaneously, be conducive to
Selectivity design link, for example, can be by increasing controllability and rational power supply of the single-pole single-throw switch (SPST) increase to dual link
Management.The link gated nature and low power consumption control for also helping system, realize link selectivity and system power it is controllable
Property.
Second substrate 143, the second microstrip line, the second probe 145 and are further comprised for waveguide-microstrip transition portion 14
Two impedances transformation 146, the second microstrip line, the second probe 145 and the second impedance transformation 146 are attached at the second substrate 143, and second
Substrate 143 is set in the cavity in waveguide-microstrip transition portion 14, and the second microstrip line is located in the cavity of the second micro-strip line segment, the
Two probes 145 are inserted into the cavity of second waveguide section 142, and the second impedance transformation 146 is connected to the second microstrip line and the second probe
Between 145.
In a specific embodiment, the second substrate 143 selects high frequency substrate RO5880, wherein the electricity of the second substrate 143
It is often 202 to be situated between, and the thickness of the second substrate 143 is 0.254mm, and the width of the second substrate 143 is 2.0mm, by second substrate 143
Encapsulation is in the cavity.The width of second microstrip line is 0.72mm, and distance of second microstrip line apart from cavity is 1.0mm.The
Two probes 145 are sheet metal, and the thickness of sheet metal is 0.018 μm, length 2.8mm, width 1.4mm.
Shown in Figure 5, the technical indicator figure of waveguide power divider 10 in a specific embodiment, wherein S11 is indicated
The reflectance factor of input port, is indicated using dB, when data are smaller, shows that reflected signal is smaller on port, matching
Better；S21, S31 are indicated to pass through the transmission coefficient that 2,3 ports export respectively from 1 port respectively, also dB are used to indicate, work as data
More hour shows that transmission loss is bigger.In S11≤- 10dB of 35.5GHz~36.5GHz, show the matching of the signal in band
It is relatively good, and the reflectance factor of base its frequency point is close to 0dB, show to reflect signal stronger, matching is bad, this is because increasing
Caused by the function of bandpass filtering.S21 ≈ -3.3dB, S31 ≈ -3.1dB；With theoretical work(point -3.01dB substantially near；Work as frequency
Less than 34GHz and frequency is more than S21≤- 25dB of 38GHz, and S31≤- 25dB shows that transmission loss is bigger, also band
Caused by pass filter function.
It is analyzed by above-mentioned technical proposal, a kind of waveguide power divider 10 provided by the utility model includes integrally formed
Body, the ontology have the sequentially connected micro-strip in front end to rear end-waveguide transition portion 11, the wave guide power branch by waveguide power divider 10
12, guide filter portion 13, waveguide-microstrip transition portion 14.Compared with prior art, which uses the chamber of high q-factor
Bulk wave leads filtering part 13, in this way, can also further be filtered after work(point, is conducive to increase the selection to millimeter-wave signal
Property, also help the insertion loss for reducing work(point process.Also, the waveguide power divider 10 picks out mode, work(using micro-strip
Divide the function with filtering to complete in the waveguide, is conducive to the design to millimetre-wave circuit, which can be with electricity
Road carries out seamless access, avoids the access problem that field is considered when design.Also, there are at least two waveguides-in the power splitter
The outbound course of the second micro-strip section 144141 in microstrip transition portion 14 is on the contrary, in this way so that the waveguide power divider 10 is conducive to chain
The selection on road designs.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (9)
1. a kind of waveguide power divider, which is characterized in that the waveguide power divider includes integrally formed ontology, and the ontology has
By the sequentially connected micro-strip in front end to the rear end of the waveguide power divider-waveguide transition portion, wave guide power branch, guide filter portion,
Waveguide-microstrip transition portion.
2. waveguide power divider according to claim 1, which is characterized in that the micro-strip-waveguide transition portion, the wave guide power
The cavity of branch, the guide filter portion and the waveguide-microstrip transition portion is interconnected.
3. waveguide power divider according to claim 1, which is characterized in that the micro-strip-waveguide transition portion includes connection
First micro-strip section and first wave guide section, the first micro-strip section is vertical with the first wave guide section, the first wave guide section connection
In the access interface of the wave guide power branch.
4. waveguide power divider according to claim 3, which is characterized in that the first wave guide section is rectangular waveguide.
5. waveguide power divider according to claim 3, which is characterized in that the micro-strip-waveguide transition portion further comprises：
First substrate, the first microstrip line, the first probe and the first impedance transformation, first microstrip line, first probe and described
First impedance transformation is attached at first substrate, and first substrate is set to the cavity in the micro-strip-waveguide transition portion
Interior, first microstrip line is located in the cavity of the first micro-strip section, and first probe is inserted into the first wave guide section
In cavity, the first impedance transformation is connected between first microstrip line and first probe.
6. waveguide power divider according to claim 1, which is characterized in that the wave guide power branch has multiple prismatic
Work(branch path, and a point port for the work(branch path is separately connected a guide filter portion.
7. waveguide power divider according to claim 5, which is characterized in that the quantity in the waveguide-microstrip transition portion and institute
The quantity for stating guide filter portion is corresponding, and each waveguide-microstrip transition portion includes the second waveguide section and second of connection
Micro-strip section, the second waveguide section is vertical with the second micro-strip section of institute, and the second waveguide section is connected to the guide filter portion
Decoupling port, also, the outbound course of the second micro-strip section at least two waveguides-microstrip transition portion is opposite.
8. waveguide power divider according to claim 7, which is characterized in that the waveguide-microstrip transition portion further comprises：
Second substrate, the second microstrip line, the second probe and the second impedance transformation, second microstrip line, second probe and described
Second impedance transformation is attached at second substrate, and second substrate is set to the cavity in the waveguide-microstrip transition portion
Interior, second microstrip line is located in the cavity of the second micro-strip section, and second probe is inserted into the second waveguide section
In cavity, the second impedance transformation is connected between second microstrip line and second probe.
9. waveguide power divider according to claim 1, which is characterized in that the guide filter portion has multiple waveguide cavities,
And the waveguide cavity is located between two matrixs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840321.8U CN207818860U (en) | 2017-12-26 | 2017-12-26 | A kind of waveguide power divider |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721840321.8U CN207818860U (en) | 2017-12-26 | 2017-12-26 | A kind of waveguide power divider |
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| CN207818860U true CN207818860U (en) | 2018-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380160A (en) * | 2019-08-07 | 2019-10-25 | 深圳大学 | A kind of rectangle TE based on H-T connector power division network10Mould-circular waveguide TE21The mode converter of mould |
| WO2022021467A1 (en) * | 2020-07-30 | 2022-02-03 | 广东永畅兴精密制造股份有限公司 | Microwave-enhanced extruder device and organic reaction module |
-
2017
- 2017-12-26 CN CN201721840321.8U patent/CN207818860U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380160A (en) * | 2019-08-07 | 2019-10-25 | 深圳大学 | A kind of rectangle TE based on H-T connector power division network10Mould-circular waveguide TE21The mode converter of mould |
| CN110380160B (en) * | 2019-08-07 | 2021-06-25 | 深圳大学 | Rectangular TE based on H-T joint power distribution network10Mode-circular waveguide TE21Mode converter for a mould |
| WO2022021467A1 (en) * | 2020-07-30 | 2022-02-03 | 广东永畅兴精密制造股份有限公司 | Microwave-enhanced extruder device and organic reaction module |
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