CN201699114U - Microwave double-frequency power divider based on Gysel-type power divider - Google Patents
Microwave double-frequency power divider based on Gysel-type power divider Download PDFInfo
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- CN201699114U CN201699114U CN2010202473793U CN201020247379U CN201699114U CN 201699114 U CN201699114 U CN 201699114U CN 2010202473793 U CN2010202473793 U CN 2010202473793U CN 201020247379 U CN201020247379 U CN 201020247379U CN 201699114 U CN201699114 U CN 201699114U
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Abstract
The utility model discloses a microwave double-frequency power divider based on a Gysel-type power divider. The microwave double-frequency power divider comprises an input port, two output ports, two first branch transmission lines, two second branch transmission lines, two third branch transmission lines, a short-circuit branch, an open-circuit branch and two grounded isolation resistors, wherein the input port, the short-circuit branch and the open-circuit branch are located on the central line of the power divider; and the power divider is structurally symmetric about the central line thereof. The microwave double-frequency power divider of the utility model is capable of achieving the allocation and combination of double-frequency power; based on the determination of the double-frequency operating point, the dynamic adjustable ranges of the characteristic impedance of the transmission lines and the resistance of the isolation resistors are wider, thus getting easy access to the standard resistance, meeting the requirements of the micro-strip line process for the characteristic impedance of the transmission line, ensuring the characteristics and maintaining the advantage that the conventional Gysel-type power divider is suitable for use at high power. Therefore, the microwave double-frequency power divider of the utility model is suitable for use in the allocation and combination of microwave high double-frequency power.
Description
Technical field
The utility model relates to the power splitter design field, relates in particular to a kind of microwave dual-frequency power divider based on Gysel type power splitter.
Background technology
In microwave communication, radar system, power splitter is widely used.The homophase power splitter has many kinds, and Wilkinson type and Gysel type power splitter are exactly two kinds of wherein common structures.Wilkinson type power splitter has many advantages, yet in high power applications, Wilkinson type power splitter is owing to the isolation resistance cross-over configurations causes requiring very strict to the homophase of output, the power that the phase mismatch of output port or power mismatch cause runs off loss on isolation resistance, yet on the isolation resistance of cross-over configurations, be difficult for installing additional heat abstractor, heat directly is created in inside modules, will have a strong impact on the module electrology characteristic; And Gysel type power splitter has overcome the shortcoming of Wilkinson type power splitter, and its isolation resistance can pick out module and ground connection, is convenient to heat radiation.Install suitable cooling system additional, Gysel type power splitter can bear on the L-band to 10kW and the S-band continuous wave (CW) power to 5kW.
Along with the develop rapidly of radio communication, in order to make full use of frequency spectrum resource, improve signal transmission rate, and the enhanced system reliability, the application of double frequency and multifrequency telecommunication circuit is more prevalent.Recent years, the report to double frequency Wilkinson power splitter increases gradually both at home and abroad, but these designs have all kept the defective that traditional Wilkinson type power splitter is not suitable for high power applications.
On the other hand, traditional Gysel type power splitter can only be operated under fundamental frequency and its odd harmonic, can not satisfy the requirement of modern communications any dual-frequency.
The utility model content
(1) technical problem that will solve
In view of this, main purpose of the present utility model is to provide a kind of microwave dual-frequency power divider based on Gysel type power splitter, is not suitable for high power applications and traditional Gysel type power splitter and can only be operated in problem under fundamental frequency and its odd harmonic to solve double frequency Wilkinson type power splitter.
(2) technical scheme
For achieving the above object, the utility model provides a kind of microwave dual-frequency power divider based on Gysel type power splitter, this power splitter comprises an input port, two output ports, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines, short circuit minor matters, open circuit minor matters and two ground connection isolation resistances, input port, short circuit minor matters and open circuit minor matters are positioned on the center line of this power splitter, the structure of this power splitter is about the center line symmetry, wherein:
Input port is connected in the junction about two first branch's transmission lines of center line symmetry;
Two first branch's transmission lines are quadrant shape topological structure, connect this input port respectively to an output port;
The short circuit minor matters are linear structure, and an end is by via hole ground connection, and the other end is connected in input port;
Two second branch's transmission lines are linear structure, connect this input port respectively to an isolation resistance;
One end of two isolation resistances is all by pad via hole ground connection, and the other end all is connected in the junction of second branch's transmission line and the 3rd branch's transmission line;
Two the 3rd branch's transmission lines are quadrant shape topological structure, connect the end of an isolation resistance to the open circuit minor matters respectively;
One end of open circuit minor matters is connected in the junction about two the 3rd branch's transmission lines of center line symmetry, other end open circuit.
In the such scheme, the 3rd branch's transmission line of described connection isolation resistance constitutes a T type structure with the open circuit minor matters that are connected the 3rd branch's transmission line.
In the such scheme, described short circuit minor matters, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines have identical electrical length with the open circuit minor matters.
In the such scheme, under strange mould equivalent electric circuit, realize that the pin network that first branch's transmission line, second branch's transmission line, the 3rd branch's transmission line constitute arrives the coupling of output impedance to isolation resistance, then need satisfy formula: rz
1(z
2+ z
3)=z
3(z
1+ z
2) and r (z
1z
3Tan
2θ-z
1z
2-z
2z
3-z
2 2)=z
1z
2 2z
3Tan
2θ., z wherein
1, z
2, z
3Be respectively first branch's transmission line, second branch's transmission line and the 3rd branch's transmission line to output load normalization characteristic impedance, r be isolation resistance to output load normalized impedance, θ is the transmission line electrical length.
In the such scheme, under even mould equivalent electric circuit, realize that T type structure then need satisfy formula: z to the short circuit of isolation resistance
p=z
3Tan
2θ/2, wherein z
3, z
pBe respectively the 3rd branch's transmission line, the open circuit minor matters are to output load normalization characteristic impedance, and θ is the transmission line electrical length; Realize that sending-end impedance after pin network that the short circuit minor matters after first branch's transmission line, second branch's transmission line, characteristic impedance double constitute doubles characteristic impedance to the coupling of output impedance, then need satisfy formula: 2z
2(z
1+ z
4)=z
4(z
1+ z
2) and 2 (z
2z
4Tan
2θ-z
1z
2-z
1z
4-z
1 2)=z
2z
1 2z
4Tan
2θ. z wherein
1, z
2, z
4Be respectively first branch's transmission line, second branch's transmission line, the short circuit minor matters after characteristic impedance doubles are to output load normalization characteristic impedance, and θ is the transmission line electrical length.
(3) beneficial effect
From technique scheme as can be seen, the beneficial effects of the utility model are:
1, this microwave dual-frequency power divider that provides of the utility model based on Gysel type power splitter, can realize that the double frequency power division is synthetic, under definite two-frequency operation point, transmission line characteristic impedance and isolation resistance resistance dynamic adjustable scope are big, can conveniently take the standard electric resistance and can take into account the requirement of microstrip line technology to transmission line characteristic impedance again.
2, this microwave dual-frequency power divider that provides of the utility model based on Gysel type power splitter, form by transmission line, simple in structure flexible, obtain ideal power transmission, port match and port isolation characteristic on two Frequency points in working band, its dual frequency characteristics can obtain from 1 to 3 frequency ratio covering in theory.
3, this microwave dual-frequency power divider based on Gysel type power splitter that provides of the utility model has kept when obtaining dual frequency characteristics that advantage that Gysel type tradition power splitter is fit to high power applications is fit to the microwave double frequency and the high power branch fits in application.
Description of drawings
Fig. 1 is the structural representation based on the microwave dual-frequency power divider of Gysel type power splitter that the utility model provides;
Fig. 2 is the structural representation based on the microwave dual-frequency power divider of Gysel type power splitter according to the utility model embodiment.
[Reference numeral]
1. input port 2. output ports
3. short circuit minor matters 4. first branch's transmission lines
5. second branch's transmission line 6. the 3rd branch's transmission line
7. ground connection isolation resistance 8. open circuit minor matters
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, and, the utility model is further described with reference to accompanying drawing below in conjunction with specific embodiment.
The utility model is based on the transmission line impedance matching idea, introduce short circuit minor matters and open circuit minor matters, traditional Gysel type power splitter that can only be operated under fundamental frequency and its odd harmonic is modified into the novel dual-frequency power divider with any dual-frequency ratio in 1 to 3, has kept the advantage of the suitable high power applications of Gysel type tradition power splitter simultaneously.
As shown in Figure 1, Fig. 1 is the structural representation based on the microwave dual-frequency power divider of Gysel type power splitter that the utility model provides, this power splitter comprises an input port, two output ports, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines, short circuit minor matters, open circuit minor matters and two ground connection isolation resistances, input port, short circuit minor matters and open circuit minor matters are positioned on the center line of this power splitter, and the structure of this power splitter is about the center line symmetry.
Wherein: input port is connected in the junction about two first branch's transmission lines of center line symmetry; Two first branch's transmission lines are quadrant shape topological structure, connect this input port respectively to an output port; The short circuit minor matters are linear structure, and an end is by via hole ground connection, and the other end is connected in input port; Two second branch's transmission lines are linear structure, connect this input port respectively to an isolation resistance; One end of two isolation resistances is all by pad via hole ground connection, and the other end all is connected in the junction of second branch's transmission line and the 3rd branch's transmission line; Two the 3rd branch's transmission lines are quadrant shape topological structure, connect the end of an isolation resistance to the open circuit minor matters respectively; One end of open circuit minor matters is connected in the junction about two the 3rd branch's transmission lines of center line symmetry, other end open circuit.
The 3rd branch's transmission line that connects isolation resistance constitutes a T type structure with the open circuit minor matters that are connected the 3rd branch's transmission line.Short circuit minor matters, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines have identical electrical length with the open circuit minor matters.Under strange mould equivalent electric circuit, realize that the pin network that first branch's transmission line, second branch's transmission line, the 3rd branch's transmission line constitute arrives the coupling of output impedance to isolation resistance, then need satisfy formula: rz
1(z
2+ z
3)=z
3(z
1+ z
2) and r (z
1z
3Tan
2θ-z
1z
2-z
2z
3-z
2 2)=z
1z
2 2z
3Tan
2θ., z wherein
1, z
2, z
3Be respectively first branch's transmission line, second branch's transmission line and the 3rd branch's transmission line to output load normalization characteristic impedance, r be isolation resistance to output load normalized impedance, θ is the transmission line electrical length.Under even mould equivalent electric circuit, realize of the short circuit of T type structure to isolation resistance, then need satisfy formula: z
p=z
3Tan
2θ/2, wherein z
3, z
pBe respectively the 3rd branch's transmission line, the open circuit minor matters are to output load normalization characteristic impedance, and θ is the transmission line electrical length; Under even mould equivalent electric circuit, realize that sending-end impedance after pin network that the short circuit minor matters after first branch's transmission line, second branch's transmission line, characteristic impedance double constitute doubles characteristic impedance to the coupling of output impedance, then need satisfy formula: 2z
2(z
1+ z
4)=z
4(z
1+ z
2) and 2 (z
2z
4Tan
2θ-z
1z
2-z
1z
4-z
1 2)=z
2z
1 2z
4Tan
2θ. z wherein
1, z
2, z
4Be respectively first branch's transmission line, second branch's transmission line, the short circuit minor matters after characteristic impedance doubles are to output load normalization characteristic impedance, and θ is the transmission line electrical length.
The microwave dual-frequency power divider based on Gysel type power splitter that the utility model provides can directly be printed in the PCB printed board.
Transmission line line length of the present utility model and live width etc. are according to the difference of frequency of utilization and pcb board material and difference.Shown in Fig. 2 concrete enforcement schematic diagram of the present utility model, used two-frequency operation point is 900MHz and 1800MHz, and the pcb board material is F4B, dielectric constant 2.55, thickness 0.778mm.Sized data of the present utility model is seen shown in Figure 2: the linear structure length of short circuit minor matters 3 is 1506.4 mils (mil), and the live width of its microstrip line is 19.8mil; Radius of circle is 858.8mil in the circular topology structure of first branch's transmission line 4, and exradius is 965.1mil; The linear structure of second branch's transmission line 5 is long to be 1423.9mil, and the live width of its microstrip line is 169.6mil; Radius of circle is 842.5mil in the circular topology structure of the 3rd branch's transmission line 6, and exradius is 940.9mil; Isolation resistance 7 is a Chip-R, and resistance 51 Ω, an end are welded on be connected in second branch's transmission line 5 and the 3rd branch's transmission line 6 junctions wide and are that the microstrip line of 83.2mil, the other end are welded on the pad by via hole ground connection; The linear structure of open circuit minor matters 8 is long to be 1559.3mil, and the live width of its microstrip line is 51.6mil, the terminal open circuit; It is 85.6mil that input port 1, output port 2 adopt the live width of 50 Ω microstrip lines; Input port 1, output port 2 adopt the SMA interface.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. microwave dual-frequency power divider based on Gysel type power splitter, it is characterized in that, this power splitter comprises an input port, two output ports, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines, short circuit minor matters, open circuit minor matters and two ground connection isolation resistances, input port, short circuit minor matters and open circuit minor matters are positioned on the center line of this power splitter, the structure of this power splitter is about the center line symmetry, wherein:
Input port is connected in the junction about two first branch's transmission lines of center line symmetry;
Two first branch's transmission lines are quadrant shape topological structure, connect this input port respectively to an output port;
The short circuit minor matters are linear structure, and an end is by via hole ground connection, and the other end is connected in input port;
Two second branch's transmission lines are linear structure, connect this input port respectively to an isolation resistance;
One end of two isolation resistances is all by pad via hole ground connection, and the other end all is connected in the junction of second branch's transmission line and the 3rd branch's transmission line;
Two the 3rd branch's transmission lines are quadrant shape topological structure, connect the end of an isolation resistance to the open circuit minor matters respectively;
One end of open circuit minor matters is connected in the junction about two the 3rd branch's transmission lines of center line symmetry, other end open circuit.
2. the microwave dual-frequency power divider based on Gysel type power splitter according to claim 1 is characterized in that, the 3rd branch's transmission line of described connection isolation resistance constitutes a T type structure with the open circuit minor matters that are connected the 3rd branch's transmission line.
3. the microwave dual-frequency power divider based on Gysel type power splitter according to claim 1, it is characterized in that described short circuit minor matters, two first branch's transmission lines, two second branch's transmission lines, two the 3rd branch's transmission lines have identical electrical length with the open circuit minor matters.
4. the microwave dual-frequency power divider based on Gysel type power splitter according to claim 1, it is characterized in that, under strange mould equivalent electric circuit, realize that the pin network that first branch's transmission line, second branch's transmission line, the 3rd branch's transmission line constitute arrives the coupling of output impedance to isolation resistance, then need satisfy formula: rz
1(z
2+ z
3)=z
3(z
1+ z
2) and r (z
1z
3Tan
2θ-z
1z
2-z
2z
3-z
2 2)=z
1z
2 2z
3Tan
2θ., z wherein
1, z
2, z
3Be respectively first branch's transmission line, second branch's transmission line and the 3rd branch's transmission line to output load normalization characteristic impedance, r be isolation resistance to output load normalized impedance, θ is the transmission line electrical length.
5. the microwave dual-frequency power divider based on Gysel type power splitter according to claim 1 is characterized in that, under even mould equivalent electric circuit, realize the short circuit of T type structure to isolation resistance, then need satisfy formula: z
p=z
3Tan
2θ/2, wherein z
3, z
pBe respectively the 3rd branch's transmission line, the open circuit minor matters are to output load normalization characteristic impedance, and θ is the transmission line electrical length; Realize that sending-end impedance after pin network that the short circuit minor matters after first branch's transmission line, second branch's transmission line, characteristic impedance double constitute doubles characteristic impedance to the coupling of output impedance, then need satisfy formula: 2z
2(z
1+ z
4)=z
4(z
1+ z
2) and 2 (z
2z
4Tan
2θ-z
1z
2-z
1z
4-z
1 2)=z
2z
1 2z
4Tan
2θ. z wherein
1, z
2, z
4Be respectively first branch's transmission line, second branch's transmission line, the short circuit minor matters after characteristic impedance doubles are to output load normalization characteristic impedance, and θ is the transmission line electrical length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202473793U CN201699114U (en) | 2010-06-23 | 2010-06-23 | Microwave double-frequency power divider based on Gysel-type power divider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202473793U CN201699114U (en) | 2010-06-23 | 2010-06-23 | Microwave double-frequency power divider based on Gysel-type power divider |
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|---|---|
| CN201699114U true CN201699114U (en) | 2011-01-05 |
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|---|---|---|---|
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Cited By (11)
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| CN102324615A (en) * | 2011-07-14 | 2012-01-18 | 韩煦 | Microwave millimeter wave planar broadband high-power micro-strip power synthesizer |
| CN102637938A (en) * | 2011-02-15 | 2012-08-15 | 中国科学院微电子研究所 | Double-frequency power divider and design method thereof |
| CN103872418A (en) * | 2014-03-25 | 2014-06-18 | 西安电子工程研究所 | Micro-strip one-to-two power divider |
| CN104466328A (en) * | 2014-11-28 | 2015-03-25 | 南通大学 | Balanced-unbalanced filter-divider |
| CN105024125A (en) * | 2015-07-13 | 2015-11-04 | 中国电子科技集团公司第十研究所 | Power divider/combiner of trisected odd number structure |
| CN105244590A (en) * | 2015-10-22 | 2016-01-13 | 华南理工大学 | Ultra wide band power divider |
| CN105655681A (en) * | 2016-03-17 | 2016-06-08 | 南京信息职业技术学院 | S-waveband three-path radial power combiner |
| CN107425251A (en) * | 2017-07-17 | 2017-12-01 | 湖南智领通信科技有限公司 | A kind of mirror image power combining methods based on planar circuit board |
| CN112332058A (en) * | 2020-12-11 | 2021-02-05 | 昆山鸿永微波科技有限公司 | Power divider with broadband or dual-band characteristic |
| CN115313011A (en) * | 2022-09-05 | 2022-11-08 | 哈尔滨工业大学（深圳） | Double-frequency Gysel power division filter with high power division ratio |
| CN115775963A (en) * | 2022-11-01 | 2023-03-10 | 西安电子科技大学 | Broadband multi-node Gysel type power divider |
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2010
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| CN102637938A (en) * | 2011-02-15 | 2012-08-15 | 中国科学院微电子研究所 | Double-frequency power divider and design method thereof |
| CN102637938B (en) * | 2011-02-15 | 2014-10-22 | 中国科学院微电子研究所 | Double-frequency power divider and design method thereof |
| CN102324615A (en) * | 2011-07-14 | 2012-01-18 | 韩煦 | Microwave millimeter wave planar broadband high-power micro-strip power synthesizer |
| CN103872418A (en) * | 2014-03-25 | 2014-06-18 | 西安电子工程研究所 | Micro-strip one-to-two power divider |
| CN104466328B (en) * | 2014-11-28 | 2017-03-15 | 南通大学 | A kind of balance/unbalance formula filters power splitter |
| CN104466328A (en) * | 2014-11-28 | 2015-03-25 | 南通大学 | Balanced-unbalanced filter-divider |
| CN105024125A (en) * | 2015-07-13 | 2015-11-04 | 中国电子科技集团公司第十研究所 | Power divider/combiner of trisected odd number structure |
| CN105024125B (en) * | 2015-07-13 | 2017-08-11 | 中国电子科技集团公司第十研究所 | Trisection odd structure work(point/combiner |
| CN105244590A (en) * | 2015-10-22 | 2016-01-13 | 华南理工大学 | Ultra wide band power divider |
| CN105655681A (en) * | 2016-03-17 | 2016-06-08 | 南京信息职业技术学院 | S-waveband three-path radial power combiner |
| CN107425251A (en) * | 2017-07-17 | 2017-12-01 | 湖南智领通信科技有限公司 | A kind of mirror image power combining methods based on planar circuit board |
| CN112332058A (en) * | 2020-12-11 | 2021-02-05 | 昆山鸿永微波科技有限公司 | Power divider with broadband or dual-band characteristic |
| CN115313011A (en) * | 2022-09-05 | 2022-11-08 | 哈尔滨工业大学（深圳） | Double-frequency Gysel power division filter with high power division ratio |
| CN115313011B (en) * | 2022-09-05 | 2024-05-07 | 哈尔滨工业大学（深圳） | Dual-frequency Gysel power dividing filter with high power ratio |
| CN115775963A (en) * | 2022-11-01 | 2023-03-10 | 西安电子科技大学 | Broadband multi-node Gysel type power divider |
| CN115775963B (en) * | 2022-11-01 | 2024-03-19 | 西安电子科技大学 | Broadband multi-section Gysel type power divider |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
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| CX01 | Expiry of patent term |