CN101728622B - Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method - Google Patents
Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method Download PDFInfo
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- CN101728622B CN101728622B CN 201010000288 CN201010000288A CN101728622B CN 101728622 B CN101728622 B CN 101728622B CN 201010000288 CN201010000288 CN 201010000288 CN 201010000288 A CN201010000288 A CN 201010000288A CN 101728622 B CN101728622 B CN 101728622B
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Abstract
The invention discloses a method for preparing a broadband ring electric bridge, which comprises the following steps: 1, setting a ring body, and arranging a coupling part on the body, wherein the length of the coupling part is one fourth wavelength of a center frequency; 2, equally dividing the body into four arc sections, wherein the coupling part is arranged on any one of the arc sections; and 3, setting four connecting ends which are arranged at the junctions of the arc sections respectively and comprise an input end, an isolation end and two output ends respectively. The invention also discloses an electric bridge prepared by implementing the method. The method provided by the invention scientifically designs the structural layout of the electric bridge, enables the paths of signals to be equal so as to reduce the sensitivity to the frequency, and has the advantages of simple preparation process, low cost and easy popularization; and the electric bridge provided by the invention has the advantages of reasonable structure, high isolation degree, broader applicable band, high reliability, small volume, strong adaptability and broad application space.
Description
Technical field
The invention belongs to electronic information and mobile communication technology field, be specifically related to a kind of broadband ring electric bridge preparation method and implement the electric bridge that this method prepares.
Background technology
Little charged bridge has branch line electric bridge, toroid electric bridge etc. according to structural difference.Ring-shape bridge (being called hybrid ring again) is a critical component of microwave millimeter Radio Frequency Subsystem, the effect of ring-shape bridge in mobile communication mainly is the synthetic or shunt that plays signal, it has little, the low cost and other advantages of volume, is widely used in the moving communicating field in the past.But along with widening of mobile band, the ring-shape bridge of prior art design can't satisfy wide band index, traditional structural design, its frequency is limited in f0=± 0.23 f0 scope, will sharply worsen the use that to satisfy communication system if exceed this frequency band range index, and its frequency band broadband is subjected to the restriction of traditional arc length, under the situation that is used in reverse input, be that signal input is when transferring signal output to, because the signal output distance of walking is unequal, therefore the sensitiveness to frequency increases, and influences performance; Cause using the fewer and feweri of ring-shape bridge, can only use the parallel coupled line electric bridge instead then, the volume of this parallel coupled line electric bridge is big, and inconvenience is installed, and cost is higher, is difficult for extensive use.
Summary of the invention
At the existing above-mentioned deficiency of existing electric bridge, one of the object of the invention is, provides that a kind of preparation section is simple and easy, cost is low and effectively increase the broadband ring electric bridge preparation method in frequency band broadband;
The object of the invention also is, provide a kind of rational in infrastructure, volume is little, isolation is high and can increase the electric bridge in frequency band broadband.
For achieving the above object, technical scheme provided by the present invention is:
A kind of broadband ring electric bridge preparation method, it may further comprise the steps:
(1) ring body is set, is provided with a coupling part 1 in this body, and the quarter-wave of frequency centered by the length of this coupling part 1;
(2) described body is divided into four segmental arcs, each segmental arc is the quadrant arc, and wherein said coupling part 1 is arranged in above-mentioned any segmental arc;
(3) four links are set, this link is arranged at the intersection of each segmental arc respectively, and wherein a link is input 2, is used for inserting signal; Two links are output, and it is symmetricly set on the both sides of described input 2 respectively, are used for output signal, and a link is isolation end, and 2 one-tenth center symmetries of itself and described input are used for isolating and erasure signal.
Described step (1) specifically comprises the steps:
(11) select a flat-shaped material, its bending is constituted one have the inner space, and be the ring body of a ring-type, and make the head and the tail end face of this ring body be reserved with the spacing of quadrant arc;
(12) being provided with one in described ring body stem end face bottom extends clockwise along its circumferencial direction, until the following coupling piece near its tail end face, be provided with one extends counterclockwise along its circumferencial direction in this ring body tail end face top, until the last coupling piece near its stem end face, upward coupling piece and described coupling piece down cooperatively interact, and be reserved with gap d 1, the external world can be connected with the inner space of described ring body by this gap d 1, the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece, and the thickness d 2 that wherein should go up coupling piece equates with the described thickness d 3 of coupling piece down.
It also comprises the steps:
(4) insert signals to described input 2, this signal is by carrying out shunt in the segmental arc of described input 2 both sides, and simultaneously first signal exported and secondary signal is exported from second output from first output;
(5) in addition, first signal also arrives isolation end by another segmental arc that is connected with first output, and meanwhile, secondary signal also arrives isolation end by another segmental arc that is connected with second output, and cancels out each other with described first signal;
(6) repeating step (4) is to (5).
A kind of electric bridge of implementing above-mentioned broadband ring electric bridge preparation method preparation, it comprises that one is provided with the ring body of coupling part 1, and the quarter-wave of frequency centered by the length of this coupling part 1, described ring body is divided into four segmental arcs, every segmental arc is the quadrant arc, and being provided with a link in the intersection of each segmental arc, wherein said coupling part 1 is arranged in above-mentioned any segmental arc.
Described link comprises an input 2, an isolation end and two outputs, and this output is symmetricly set on the both sides of described input 2 respectively, and 2 one-tenth centers of described isolation end and this input are symmetrical arranged.
Described coupling part 1 comprises on one coupling piece and coupling piece once, and this time coupling piece one end is arranged on the bottom of described body stem end face, and the other end extends clockwise along the circumferencial direction of this body, until the tail end face near this body; Describedly go up the top that coupling piece one end is arranged on described body tail end face, the other end extends counterclockwise along the circumferencial direction of this body, until near its stem end face, and cooperatively interacts with described coupling piece down.
Described going up between coupling piece and the following coupling piece is provided with gap d 1, and the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece, wherein upward the thickness d 2 of coupling piece with described under the thickness d 3 of coupling piece equate.
Beneficial effect of the present invention is: method provided by the invention, the topology layout of science design electric bridge, the distance that each signal is walked equates, thereby reduce the sensitiveness to frequency, and preparation section is simple, cost is low, simultaneously, the quarter-wave of frequency centered by the length of this coupling part 1 can effectively improve the applicable band scope, easily applies; Bridge structure provided by the invention is reasonable, the isolation height, and applicable band is wideer, the reliability height, and volume is little, and adaptability is strong, and very wide application space is arranged.The experiment proved that in addition the present invention can realize common ring-shape bridge in 1 octave coverage the index that can realize i.e. 3 ± 0.3dB degree of coupling, and remain on the above directivity of 20dB and greater than the standing wave more than 23.
Below in conjunction with drawings and Examples, the invention will be further described.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure enlarged diagram of the local A of Fig. 1.
Embodiment
Embodiment: referring to Fig. 1 and Fig. 2, a kind of broadband ring electric bridge preparation method that present embodiment provides, it may further comprise the steps:
(1) ring body is set, is provided with a coupling part 1 in this body, and the quarter-wave of frequency centered by the length of this coupling part 1;
In the present embodiment, this step (1) specifically comprises the steps:
(11) select a flat-shaped material, its bending is constituted one have the inner space, and be the ring body of a ring-type, and make the head and the tail end face of this ring body be reserved with the spacing of quadrant arc;
(12) being provided with one in described ring body stem end face bottom extends clockwise along its circumferencial direction, until the following coupling piece 11 near its tail end face, be provided with one extends counterclockwise along its circumferencial direction in this ring body tail end face top, until the last coupling piece 12 near its stem end face, should go up coupling piece 12 cooperatively interacts with described coupling piece 11 down, and be reserved with gap d 1, the external world can be connected with the inner space of described ring body by this gap d 1, the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece 12, and the thickness d 2 that wherein should go up coupling piece 12 equates with the described thickness d 3 of coupling piece 11 down.
(2) described body is divided into four segmental arcs, each segmental arc is the quadrant arc, and in the present embodiment, this coupling part 1 is arranged in the 4th segmental arc 9, and among other embodiment, this coupling part 1 can be arranged in above-mentioned any segmental arc;
(3) four links are set, this link is arranged at the intersection of each segmental arc respectively, and wherein a link is input 2, is arranged at the intersection of first segmental arc 6 and second segmental arc 7, is used for inserting signal; Two links are output, it is symmetricly set on the both sides of described input 2 respectively, be, first output 3 is arranged on the intersection of second segmental arc 7 and the 3rd segmental arc, and second output 5 is arranged on the intersection of first segmental arc 6 and the 4th segmental arc 9, is respectively applied to output signal, one link is isolation end 4,2 one-tenth center symmetries of itself and described input, namely this isolation end 4 is arranged on the intersection of the 3rd segmental arc 8 and the 4th segmental arc 9, is used for isolating and erasure signal.
It also comprises the steps:
(4) insert signal to described input 2, this signal carries out shunt by second segmental arc 7 and first segmental arc 6 in described input 2 both sides, and simultaneously first signal is exported and secondary signal is exported from second output 5 from first output 3;
(5) in addition, first signal also arrives isolation end 4 by the 3rd segmental arc 8 that is connected with first output 3, meanwhile, secondary signal also arrives isolation end 4 by the 4th segmental arc 9 that is connected with second output 5, and cancels out each other with described first signal;
(6) repeating step (4) is to (5).
A kind of electric bridge of implementing above-mentioned broadband ring electric bridge preparation method preparation, it comprises that one is provided with the ring body of coupling part 1, and the quarter-wave of frequency centered by the length of this coupling part 1, described ring body is divided into four segmental arcs, every segmental arc is the quadrant arc, and being provided with a link in the intersection of each segmental arc, wherein said coupling part 1 is arranged in above-mentioned any segmental arc.
Described link comprises an input 2, an isolation end 4 and two outputs, and this output is symmetricly set on the both sides of described input 2 respectively, and 2 one-tenth centers of described isolation end 4 and this input are symmetrical arranged.In the present embodiment, input 2 is arranged on the intersection that is arranged at first segmental arc 6 and second segmental arc 7.Namely corresponding, first output 3 is arranged on the intersection of second segmental arc 7 and the 3rd segmental arc 8, second input 2 is arranged on the intersection of first segmental arc 6 and the 4th segmental arc 9, isolation end 4 is arranged on the intersection of the 3rd segmental arc 8 and the 4th segmental arc 9, among other embodiment, this input 2 can be any two segmental arc intersections, and then this isolation end 4 and two outputs carry out corresponding conversion and get final product according to described above.
Described coupling part 1 comprises on one coupling piece 12 and coupling piece 11 once, and this time coupling piece 11 1 ends are arranged on the bottom of described body stem end face, and the other end extends clockwise along the circumferencial direction of this body, until the tail end face near this body; Describedly go up the top that coupling piece 12 1 ends are arranged on described body tail end face, the other end extends counterclockwise along the circumferencial direction of this body, until near its stem end face, and cooperatively interacts with described coupling piece 11 down.
Described going up between coupling piece 12 and the following coupling piece 11 is provided with gap d 1, and the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece 12, wherein upward the thickness d 2 of coupling piece 12 with described under the thickness d 3 of coupling piece 11 equate.
During work, after input 2 inserts signal, this signal is divided into first signal and secondary signal, first signal arrives first output 3 line output of going forward side by side by second segmental arc 7, because second segmental arc 7 and first segmental arc 6 are the quadrant arc, length equates, so the distance that first signal and secondary signal are walked equates, namely when first signal arrives first output 3, secondary signal also arrives second output 5 line output of going forward side by side simultaneously by first segmental arc 6; First signal also is communicated to isolation end 4 by the 3rd segmental arc 8 that is connected with this first output 3 when exporting by first output 3; Equally, because the 3rd segmental arc 8 and the 4th segmental arc 9 are the quadrant arc, length equates, though coupling part 1 is arranged on the 4th segmental arc 9, but because the quarter-wave of frequency centered by the length of this coupling part 1, with the 3rd segmental arc 8 are complete symmetries, be that arc length also is to equate fully, so the distance that the 3rd signal and the 4th signal are walked equates, namely when first signal arrives isolation end 4, secondary signal also by the 4th section and through after coupling part 1 processing, arrives isolation end 4 simultaneously with first signal and also eliminates mutually;
Equally, when signals reverse was imported, when namely former second output transferred input to, then former input correspondingly transferred first output to, former isolation end transfers second output to and former first output transfers isolation end to; But because each segmental arc is the quadrant arc and coupling part 1 is arranged in above-mentioned any segmental arc, the quarter-wave of frequency centered by the length of this coupling part 1 simultaneously, not only effectively expanded the frequency range of product, guaranteed that also the distance that each signal is walked equates, so no matter be forward input or reverse, first signal all equates with the distance that secondary signal is walked, and the variation with frequency also is identical, make first signal and secondary signal can arrive isolation simultaneously, eliminate mutually, reduce the sensitiveness to frequency, the isolation height, the reliability height, performance is good.Proof utilizes the present invention can realize in 1 octave coverage that the index that can realize of common ring-shape bridge is 3 ± 0.3dB degree of coupling by experiment, and remain on more than the 20dB directivity and greater than the standing wave more than 23.
As described in the above embodiment of the present invention, adopt technical characterictic same or similar with it and other electric bridge preparation method who obtains and the electric bridge of implementing this method preparation, all in protection range of the present invention.
Claims (6)
1. broadband ring electric bridge preparation method is characterized in that it may further comprise the steps:
(1) ring body is set, is provided with a coupling part in this body, and the quarter-wave of frequency centered by the length of this coupling part;
(2) described body is divided into four segmental arcs, each segmental arc is the quadrant arc, and wherein said coupling part is arranged in above-mentioned any segmental arc;
(3) four links are set, this link is arranged at the intersection of each segmental arc respectively, and wherein a link is input, is used for inserting signal; Two links are output, and it is symmetricly set on the both sides of described input respectively, are used for output signal, and a link is isolation end, and it becomes the center symmetry with described input, are used for isolating and erasure signal;
Described step (1) may further comprise the steps:
(11) select a flat-shaped material, its bending is constituted one have the inner space, and be the ring body of a ring-type, and make the head and the tail end face of this ring body be reserved with the spacing of quadrant arc;
(12) being provided with one in described ring body stem end face bottom extends clockwise along its circumferencial direction, until the following coupling piece near its tail end face, be provided with one extends counterclockwise along its circumferencial direction in this ring body tail end face top, until the last coupling piece near its stem end face, upward coupling piece and described coupling piece down cooperatively interact, and be reserved with gap d 1, the external world can be connected with the inner space of described ring body by this gap d 1, the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece, and the thickness d 2 that wherein should go up coupling piece equates with the described thickness d 3 of coupling piece down.
2. broadband ring electric bridge preparation method according to claim 1 is characterized in that it also comprises the steps:
(4) insert signal to described input, this signal is by carrying out shunt in the segmental arc of described input both sides, and simultaneously first signal exported and secondary signal is exported from second output from first output;
(5) in addition, first signal also arrives isolation end by another segmental arc that is connected with first output, and meanwhile, secondary signal also arrives isolation end by another segmental arc that is connected with second output, and cancels out each other with described first signal;
(6) repeating step (4) is to (5).
3. implement the electric bridge that the described broadband ring electric bridge of claim 1 preparation method prepares for one kind, it is characterized in that, it comprises that one is provided with the ring body of coupling part, and the quarter-wave of frequency centered by the length of this coupling part, described ring body is divided into four segmental arcs, every segmental arc is the quadrant arc, and is provided with a link in the intersection of each segmental arc, and wherein said coupling part is arranged in above-mentioned any segmental arc.
4. electric bridge according to claim 3 is characterized in that, described link comprises an input, an isolation end and two outputs, and this output is symmetricly set on the both sides of described input respectively, and described isolation end becomes the center to be symmetrical arranged with this input.
5. electric bridge according to claim 3, it is characterized in that, described coupling part comprises on one coupling piece and coupling piece once, this time coupling piece one end is arranged on the bottom of described body stem end face, the other end extends clockwise along the circumferencial direction of this body, until the tail end face near this body; Describedly go up the top that coupling piece one end is arranged on described body tail end face, the other end extends counterclockwise along the circumferencial direction of this body, until near its stem end face, and cooperatively interacts with described coupling piece down.
6. electric bridge according to claim 5, it is characterized in that, described going up between coupling piece and the following coupling piece is provided with gap d 1, and the width of this gap d 1 is about 1/2nd of the described thickness d 2 that goes up coupling piece, wherein upward the thickness d 2 of coupling piece with described under the thickness d 3 of coupling piece equate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010000288 CN101728622B (en) | 2010-01-07 | 2010-01-07 | Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method |
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| CN 201010000288 CN101728622B (en) | 2010-01-07 | 2010-01-07 | Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method |
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| CN101728622B true CN101728622B (en) | 2013-08-14 |
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