CN105576333A - Balanced/single-end same-phase power divider - Google Patents
Balanced/single-end same-phase power divider Download PDFInfo
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- CN105576333A CN105576333A CN201610077544.7A CN201610077544A CN105576333A CN 105576333 A CN105576333 A CN 105576333A CN 201610077544 A CN201610077544 A CN 201610077544A CN 105576333 A CN105576333 A CN 105576333A
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- transmission line
- output port
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- balanced
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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 provides a balanced/single-end same-phase power divider. The balanced/single-end same-phase power divider comprises a first input port, a second input port, a first output port, a second output port, a first transmission line, a second transmission unit, a third transmission line, a fourth transmission line, a fifth transmission line and a resistor, wherein the first output port is connected with one end, far away from the second transmission unit, of the fourth transmission line, the second output port is connected with one end, far away from the third transmission line, of the fifth transmission line, the first input port and the second input port form a balanced port, the first output port and the second output port respectively form a single port, the first transmission line is a half-wavelength transmission line, the equivalent electrical length of the second transmission unit is (-90) degrees, and the second transmission line is one-fourth-wavelength transmission line. By the balanced/single-end same-phase power divider, arbitrary power allocation is achieved, and the same-phase output of a signal is simultaneously achieved; and the balanced/single-end same-phase power divider has a common-mode rejection function and is conveniently and simultaneously connected with balanced/single-end circuits.
Description
Technical field
The present invention relates to field of microwave communication, the homophase power splitter of particularly a kind of balanced type-single-ended.
Background technology
Nowadays, along with the fast development of radio system, balanced type power splitter is because it can realize the advantage such as the transmission of difference mode signal and the suppression of common-mode signal and be used widely.Nearly 2 years, propose hybrid power splitter that is single-ended and balance input and output for improving design flexibility, this kind of device has common mode rejection performance equally, and is connected with single-ended and balanced type device while that it being convenient, therefore, the design of balanced type-single-ended power splitter seems very important.
On the other hand, in different communication systems or submodule, different demands is proposed to power-division ratios, therefore have any merit proportion by subtraction or merit proportion by subtraction controlled power division class device there is better adaptability, flexibility.But, power splitter that is single-ended and full-balance is only had to have the performance of any merit proportion by subtraction so far, and balanced type-single-ended homophase or anti-phase power splitter such as are all at the merit proportions by subtraction, so also do not have the balanced type-single-ended homophase power splitter of any merit proportion by subtraction performance at present.Therefore balanced type-single-ended homophase the power splitter proposing a kind of any merit proportion by subtraction is necessary.
Therefore, prior art existing defects, needs improvement badly.
Summary of the invention
Main purpose of the present invention is the defect for prior art, provides the homophase power splitter of a kind of balanced type-single-ended.
The invention provides the homophase power splitter that a kind of balanced type is single-ended, comprise first input end mouth, second input port, first output port, second output port, first transmission line, second transmission unit, 3rd transmission line, 4th transmission line, 5th transmission line and resistance, one end of described first transmission line, described second transmission line, described 4th transmission line connects successively, the other end of described first transmission line, described 3rd transmission line and described 5th transmission line connect successively, one end of described resistance is connected with the common node of described second transmission line and the 4th transmission line, the other end of described resistance is connected with the common node of described 3rd transmission line and described 5th transmission line, described first input end mouth is connected to the common node place of described first transmission line and described second transmission line, described second input port is connected to the common node place of described first transmission line and described 3rd transmission line, described first output port is connected with one end away from described second transmission line of described 4th transmission line, described second output port is connected with one end away from described 3rd transmission line of described 5th transmission line, described first input end mouth and described second input port form balance ports, described first output port and described second output port form single port respectively, described first transmission line is half-wavelength transmission line, the equivalent electric length of described second transmission unit is-90 degree, described 3rd transmission line is quarter-wave transmission line.
In the homophase power splitter of balanced type of the present invention-single-ended, described first transmission line, the 3rd transmission line, the 4th transmission line, the 5th transmission line are microstrip line.
In the homophase power splitter of balanced type of the present invention-single-ended, described second transmission unit can be 270 degree of microstrip lines.
In the homophase power splitter of balanced type of the present invention-single-ended, described second transmission unit is plane coupling microstrip line structure or Dual-layer coupled structure.
Implement balanced type provided by the invention-single-ended homophase power splitter and there is following beneficial effect:
The present invention can produce differential signal at balance ports place by the first transmission line, realize exporting any power division of the differential signal of balance ports and the homophase of signal by the second transmission unit and the 3rd transmission line, the impedance matching of the first output port and the second output port is realized again by the 4th transmission line and the 5th transmission line, thus by differential mode signal transmission to output port, resistance can realize the isolation between the first output port and the second output port.It is while realizing any power division, and the homophase realizing signal exports, and has common mode inhibition function, and is connected with balanced type and single-end circuit while of convenient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the homophase power splitter of balanced type in one embodiment of the present invention-single-ended.
Fig. 2 is the structural representation of the second transmission unit of the homophase power splitter of balanced type in one embodiment of the present invention-single-ended.
Fig. 3 is the differential-mode response figure of the homophase power splitter of balanced type in one embodiment of the present invention-single-ended;
Fig. 4 is the common-mode response figure of the homophase power splitter of balanced type in one embodiment of the present invention-single-ended;
Fig. 5 is the output port phase difference response diagram of the homophase power splitter of balanced type in one embodiment of the present invention-single-ended.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.First-selected embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Fig. 1 shows the single-ended homophase power splitter of a kind of balanced type in one embodiment of the present invention, comprise first input end mouth 1, second input port 2, first output port 3, second output port 4, first transmission line 5, second transmission unit 6, 3rd transmission line 7, 4th transmission line 8, 5th transmission line 9 and resistance 10, one end of described first transmission line 5, described second transmission unit 6, described 4th transmission line 8 connects successively, the other end of described first transmission line 5, described 3rd transmission line 7 and described 5th transmission line 9 connect successively, one end of described resistance 10 is connected with the common node of described second transmission unit 6 and the 4th transmission line 8, the other end of described resistance 10 is connected with the common node of described 3rd transmission line 7 and described 5th transmission line 9, described first input end mouth 1 is connected to the common node place of described first transmission line 5 and described second transmission unit 6, described second input port 2 is connected to the common node place of described first transmission line 5 and described 3rd transmission line 7, described first output port 3 is connected with one end away from described second transmission unit 6 of described 4th transmission line 8, described second output port 4 is connected with one end away from described 3rd transmission line 7 of described 5th transmission line 9, described first input end mouth 1 forms balance ports with described second input port 2, described first output port 3 and described second output port 4 form single port respectively, described first transmission line 5 is half-wavelength transmission line, the equivalent electric length of described second transmission unit 6 is-90 degree, described 3rd transmission line 7 is quarter-wave transmission line.
Preferably, the first transmission line 5, the 3rd transmission line 7, the 4th transmission line 8, the 5th transmission line 9 can respectively for being arranged at the microstrip line on medium substrate.Second transmission unit 6 can be 270 degree of transmission lines.This first input end mouth 1, described second input port 2, described first output port 3 and described second output port 4 are microstrip line.
This second transmission unit 6 can also be plane coupling microstrip line structure or Dual-layer coupling microstrip line structure, as long as its equivalent electric length is-90 degree and meets equiva lent impedance to require.
The present invention can produce differential signal at balance ports place by the first transmission line 5, realize exporting any power division of the differential signal of balance ports and the homophase of signal by the second transmission unit 6 and the 3rd transmission line 7, the impedance matching of the first output port 3 and the second output port 4 is realized again by the 4th transmission line 8 and the 5th transmission line 9, thus by differential mode signal transmission to output port, resistance 10 can realize the isolation between the first output port 3 and the second output port 4.It is while realizing any power division, and the homophase realizing signal exports, and has common mode inhibition function, and is connected with balanced type and single-end circuit while of convenient.
As shown in Figure 2, plane coupling microstrip line structure comprises parallel and the first microstrip line 41 and the second microstrip line 42 intercoupled of two of being arranged on medium substrate, the first via hole 43 being connected to ground metal layer 47 is offered in one end of the first microstrip line 41, the second via hole 44 being connected to ground metal layer 47 is offered in one end away from this first via hole 41 of the second microstrip line 42, offer first in the ground metal layer 47 of medium substrate another side and wear groove 45, this first is worn groove 45 and can strengthen stiffness of coupling.
In addition, Dual-layer coupling microstrip line structure comprises two microstrip lines be parallel to each other being arranged at medium substrate two sides, and these two microstrip lines are electrically connected by via hole, and it is prior art, therefore does not repeat.
As shown in Fig. 3, Fig. 4, Fig. 5, the single-ended homophase power splitter of this balanced type visible is operated in 1.8GHz, the constant power achieving difference mode signal distributes, insertion loss is 0.3dB, it is 14.29% that the differential mode of input mates the bandwidth being less than-20dB, the bandwidth that the isolation of output is better than 20dB is 14.44%, the bandwidth that common mode inhibition is greater than 20dB is respectively 16.67% and 12.81%, the phase difference of output port close to 0 degree, frequency 1.13-2.14GHz exists the error of ± 5 ° at centre frequency place.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (4)
1. the homophase power splitter of a balanced type-single-ended, it is characterized in that, comprise first input end mouth, second input port, first output port, second output port, first transmission line, second transmission unit, 3rd transmission line, 4th transmission line, 5th transmission line and resistance, one end of described first transmission line, described second transmission unit, described 4th transmission line connects successively, the other end of described first transmission line, described 3rd transmission line and described 5th transmission line connect successively, one end of described resistance is connected with the common node of described second transmission unit and the 4th transmission line, the other end of described resistance is connected with the common node of described 3rd transmission line and described 5th transmission line, described first input end mouth is connected to the common node place of described first transmission line and described second transmission unit, described second input port is connected to the common node place of described first transmission line and described 3rd transmission line, described first output port is connected with one end away from described second transmission line of described 4th transmission line, described second output port is connected with one end away from described 3rd transmission line of described 5th transmission line, described first input end mouth and described second input port form balance ports, described first output port and described second output port form single port respectively, described first transmission line is half-wavelength transmission line, the equivalent electric length of described second transmission unit is-90 degree, described 3rd transmission line is quarter-wave transmission line.
2. the homophase power splitter of balanced type according to claim 1-single-ended, it is characterized in that, described first transmission line, the 3rd transmission line, the 4th transmission line, the 5th transmission line are microstrip line.
3. the homophase power splitter of balanced type according to claim 1-single-ended, it is characterized in that, described second transmission unit can be 270 degree of microstrip lines.
4. the homophase power splitter of balanced type according to claim 1-single-ended, it is characterized in that, described second transmission unit is plane coupling microstrip line structure or Dual-layer coupled structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077544.7A CN105576333A (en) | 2016-02-03 | 2016-02-03 | Balanced/single-end same-phase power divider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077544.7A CN105576333A (en) | 2016-02-03 | 2016-02-03 | Balanced/single-end same-phase power divider |
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| CN105576333A true CN105576333A (en) | 2016-05-11 |
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| CN201610077544.7A Pending CN105576333A (en) | 2016-02-03 | 2016-02-03 | Balanced/single-end same-phase power divider |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932391A (en) * | 2016-05-26 | 2016-09-07 | 南通大学 | Multi-level balanced type-single ended anti-phase power divider |
| CN106099299A (en) * | 2016-08-03 | 2016-11-09 | 广东工业大学 | A kind of microwave dual-frequency power divider of miniaturization high-isolation |
| CN110931932A (en) * | 2019-12-10 | 2020-03-27 | 大连海事大学 | Balance/unbalance power divider with any power dividing ratio and design method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466328A (en) * | 2014-11-28 | 2015-03-25 | 南通大学 | Balanced-unbalanced filter-divider |
| CN104953225A (en) * | 2015-05-29 | 2015-09-30 | 南通大学 | Balance-type branch line coupler with filter function |
| CN104966881A (en) * | 2015-06-30 | 2015-10-07 | 南通大学 | Dual-band balanced power splitter |
-
2016
- 2016-02-03 CN CN201610077544.7A patent/CN105576333A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466328A (en) * | 2014-11-28 | 2015-03-25 | 南通大学 | Balanced-unbalanced filter-divider |
| CN104953225A (en) * | 2015-05-29 | 2015-09-30 | 南通大学 | Balance-type branch line coupler with filter function |
| CN104966881A (en) * | 2015-06-30 | 2015-10-07 | 南通大学 | Dual-band balanced power splitter |
Non-Patent Citations (2)
| Title |
|---|
| B. MISHRA ET AL: "Design of an ultra-wideband Wilkinson power divider", 《2014 FIRST INTERNATIONAL CONFERENCE ON AUTOMATION, CONTROL, ENERGY AND SYSTEMS (ACES)》 * |
| LIN-SHENG WU ET AL: "A new balanced-to-single-ended (BTSE) power divider", 《2014 IEEE INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2014)》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932391A (en) * | 2016-05-26 | 2016-09-07 | 南通大学 | Multi-level balanced type-single ended anti-phase power divider |
| CN105932391B (en) * | 2016-05-26 | 2019-07-05 | 南通大学 | The multistage single-ended reverse phase power splitter of balanced type- |
| CN106099299A (en) * | 2016-08-03 | 2016-11-09 | 广东工业大学 | A kind of microwave dual-frequency power divider of miniaturization high-isolation |
| CN106099299B (en) * | 2016-08-03 | 2021-06-04 | 广东工业大学 | Miniaturized high-isolation microwave double-frequency power divider |
| CN110931932A (en) * | 2019-12-10 | 2020-03-27 | 大连海事大学 | Balance/unbalance power divider with any power dividing ratio and design method thereof |
| CN110931932B (en) * | 2019-12-10 | 2021-06-25 | 大连海事大学 | Balance/unbalance power divider with any power dividing ratio and design method thereof |
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Application publication date: 20160511 |