CN103779637A - Multiplexer set - Google Patents
Multiplexer set Download PDFInfo
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- CN103779637A CN103779637A CN201410037806.8A CN201410037806A CN103779637A CN 103779637 A CN103779637 A CN 103779637A CN 201410037806 A CN201410037806 A CN 201410037806A CN 103779637 A CN103779637 A CN 103779637A
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Abstract
The invention relates to the technology of multiplexers, and provides a multiplexer set which solves the problems that the design and debugging of an existing multi-channel multiplexer are relatively troublesome. According to the technical scheme, the multiplexer set comprises directional filters and multiplexers with more than two channels, wherein each directional filter comprises an input end, an output end and a complementary end, each multiplexer comprises a common end, and the output end or the complementary end of each directional filter is connected with the common end of the corresponding multiplexer. The multiplexer set has the advantages of being relatively easy to design, more convenient and rapid to debug, and suitable for multi-channel multiplexers.
Description
Technical field
The present invention relates to multiplexer technology, particularly the technology of multichannel multiplexer.
Background technology
Multiplexer has important application in the field such as satellite communication and point-to-point communication.Multichannel multiplexer on market will be coupled with the E face of rectangular waveguide along axis successively by cylindrical dual mode filter.Design, processing and the debugging of this multiplexer are very complicated, particularly when number of active lanes very large (for example, more than 20), may be due to influencing each other between filter or between filter and main transmission line, passband at some filter produces transmission zero, thereby causes this multiplexer to design unsuccessfully.
Summary of the invention
The object of the invention is to overcome the design of current multichannel multiplexer and the shortcoming of the relative trouble of debugging, a kind of multiplexer group is provided.
The present invention solves its technical problem, the technical scheme adopting is: multiplexer group, it is characterized in that, comprise the multiplexer that directional filter and port number are greater than 2, described directional filter comprises input, output, mating end and complementary end, matched termination matched load, multiplexer comprises common port, and the output of described directional filter or complementary end are communicated with the common port coupling of multiplexer.
Concrete, described multiplexer also comprises at least 2 filters and multiplexer output, and described common port is connected with the input of filter, and the output of filter is multiplexer output.
If multiple passages of multiplexer group can be divided into more than 3 many groups from high to low according to operating frequency, the difference of the frequency of arbitrary neighborhood passage is all less than frequency poor of different passages in adjacent sets in every group, we can be first form multiplexer by passage on the same group, sort according to its operating frequency by the filter in all multiplexers, in two adjacent multiplexers, the difference of the operating frequency between the arbitrary filter in arbitrary filter and another multiplexer in a multiplexer is all greater than the poor of the operating frequency between two adjacent filters in arbitrary multiplexer, and then all multiplexers are formed to multiplexer group.
A kind of situation, the quantity of multiplexer is identical with the quantity of directional filter.The output of the common port of each multiplexer and a directional filter or complementary end connect one to one, each directional filter is connected in series mutually, along side signal transmission to, the input of a rear directional filter connects with the output not being connected with multiplexer or the complementary end of previous directional filter, the output or the complementary termination matched load that are not connected with multiplexer of last directional filter.
Another kind of situation, the quantity of multiplexer is that the quantity of directional filter adds 1, the output of the common port of each multiplexer and a directional filter or complementary end connect one to one, each directional filter is connected in series mutually, along side signal transmission to, the input of a rear directional filter connects with the output not being connected with multiplexer or the complementary end of previous directional filter, and the output not being connected with multiplexer of last directional filter or complementary end are connected with the common port of last multiplexer.
The third situation, multiplexer is two, and the common port of a described multiplexer is connected with the output of directional filter, and the common port of another multiplexer is connected with the complementation end of directional filter.Simultaneously the multiplexer output of two multiplexers corresponding connection mutually, form some duplexer outputs.
Concrete, multiplexer also comprises input waveguide network.For the ease of designing and calculating, upper surface and the lower surface of input waveguide network are plane, common port is arranged on input waveguide network, and the side of a common port and all filters normal at input waveguide network on horizontal plane is communicated with the coupling of input waveguide network.
In order to improve the isolation between some passage of multiplexer group, reduce the insertion loss of some passage of multiplexer group, described filter comprises at least 2 column bimodulus resonant cavitys, has the resonance work simultaneously of two mode of operations in each column bimodulus resonant cavity.For the ease of designing and calculating, the axis of this column bimodulus resonant cavity is vertical with the upper surface of input waveguide network, the vertical height of all column bimodulus resonant cavitys that forms described filter is all identical with the height of input waveguide network, between first resonant cavity and input waveguide network of each filter, between adjacent resonant cavity, between last resonant cavity of each filter and multiplexer output, be coupled and be communicated with by coupling slot, the height of all coupling slot is all identical with the height of input waveguide network.
In order to dwindle the volume of column bimodulus resonant cavity, and the shape in its horizontal plane (paper in accompanying drawing) can be adjusted flexibly, the bottom of column bimodulus resonant cavity described at least one, at least one power line in the time of a certain mode of operation resonance is concentrated place, is provided with an axis being only connected with this column bimodulus resonant cavity in bottom and the metal column of column bimodulus resonant cavity bottom vertical.
In order to cut down finished cost, improve machining accuracy, the upper surface that forms all parts of multiplexer group all flushes, on can the metab that be plane at a upper surface by Numerical-control Milling Machines, from disposable integral processing above, the cover plate for sealing that is finally plane by a bottom in the above forms.
The invention has the beneficial effects as follows, multiplexer group in the present invention program, design multiplexer group by directional filter, can make the less multiplexer of multiple numbers of channels be concatenated into by directional filter the multiplexer group that number of channels is very large, and directional filter is in the time connecting these multiplexers, is mutually to isolate between each multiplexer, influences each other less, design is relatively easy, also more convenient to its debugging.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the multiplexer group in the embodiment of the present invention 1.
Fig. 2 is the system block diagram of the multiplexer group in the embodiment of the present invention 2.
Fig. 3 is the vertical view of the multiplexer group of employing in the embodiment of the present invention 2.
Fig. 4 is the vertical view of the multiplexer of employing in the embodiment of the present invention 3.
Wherein, 1 is directional filter, and 2 is multiplexer, 11 is input, and 12 is output, and 13 is mating end, 14 is complementary end, and 21 is common port, and 22 is filter, 23 is multiplexer output, 211 is input waveguide network, and 221 is coupling slot, and 222 is column bimodulus resonant cavity, 223 is metal column, and fa1, fa2, fa3, fb1, fb2, fb3, fc1, fc2 and fc3 refer to respectively an operating frequency.
Embodiment
Below in conjunction with embodiment and accompanying drawing, describe technical scheme of the present invention in detail.
Multiplexer group of the present invention, comprises the multiplexer that directional filter and port number are greater than 2, and directional filter comprises input, output and complementary end, and multiplexer comprises common port, and the output of directional filter or complementary end are connected with the common port of multiplexer.
Multiplexer group in this example, comprise the multiplexer 2 that directional filter 1 and port number are greater than 2, directional filter 1 comprises input 11, output 12 and complementary end 14, and multiplexer 2 comprises common port 21, and the output 12 of directional filter 1 or complementary end 14 are connected with the common port 21 of multiplexer 2.
In this example, directional filter 1 is multiple, the quantity of multiplexer 2 is identical with the quantity of directional filter 1, the common port 21 of each multiplexer 2 and the output 12 of a directional filter 1 connect one to one, each directional filter 1 is connected in series mutually, along side signal transmission to, the input 11 of a rear directional filter 1 is connected with the complementation end 14 of previous directional filter 1;
Or, directional filter 1 is multiple, the quantity of multiplexer 2 is identical with the quantity of directional filter 1, the common port 21 of each multiplexer 2 and the complementation end 14 of a directional filter 1 connect one to one, each directional filter 1 is connected in series mutually, along side signal transmission to, the input 11 of a rear directional filter 1 is connected with the output 12 of previous directional filter 1.
Concrete example is as follows:
The system block diagram of the multiplexer group in the embodiment of the present invention 1 as shown in Figure 1.Visible, in this multiplexer group, comprise 1 and 2 multiplexer groups 2 of 2 directional filters, directional filter 1 comprises input 11, output 12, complementary end 14 and mating end 13, mating end 13 is connected with matched load, and multiplexer group 2 comprises common port 21, the bank of filters being formed by 3 filters 22 and corresponding multiplexer output 23, visible according to Fig. 1, the complementation end 14 of first directional filter 1 is connected with the input 11 of next directional filter 1, and it is fa1 that the signal that the input 11 of first directional filter 1 is inputted comprises frequency, fa2, fa3, fb1, fb2, fb3, fc1, the signal of fc2 and fc3, in the signal of complementation end 14 output downwards of first directional filter 1, comprising frequency is fb1, fb2, fb3, fc1, the signal of fc2 and fc3, the operating frequency that its output 12 is transferred to 22,3 filters 22 of 3 filters by the common port 21 of the multiplexer corresponding with it 2 by signal is respectively fa1, fa2 and fa3,3 filters 22 are fa1 by multiplexer output 23 output signal frequencies respectively, the signal of fa2 and fa3.In like manner visible, in the signal that the complementation end 14 of next directional filter 1 is exported, comprising frequency is fc1, the signal of fc2 and fc3, its output 12 is transferred to 3 filters 22 by the common port 21 of the multiplexer corresponding with it 2 by signal, the operating frequency of 3 filters 22 is respectively fb1, fb2 and fb3, 3 filters 22 are fb1 by multiplexer output 23 output signal frequencies respectively, the signal of fb2 and fb3, wherein, fa1>fa2>fa3>fb 1>fb2>fb3>fc1G reatT.GreaT.GTfc2>fc3, the difference of the difference of fa3 and fb1 or fb3 and fc1 is all greater than operating frequency poor of any two adjacent filters 22 in arbitrary bank of filters, as difference of the difference of the difference of fa1 and fa2 or fa2 and fa3 or fb1 and fb2 etc.
Be in this example, all filters 22 that form multiplexer group to be divided into groups according to the size of the difference of its operating frequency sequence and side frequency, every group of filter 22 first forms the less multiplexer of port number 2, and then these multiplexers 2 are coupled together with some directional filters 1, form multiplexer group.Its design of the less multiplexer of port number is relatively easy, while adopting directional filter 1 that these multiplexers 2 are coupled together, between each multiplexer 2, be mutually to isolate, influence each other very little, this method is more prone to convenient the design of the multiplexer that port number is very large, and owing to being mutually to isolate between each multiplexer 2, the less multiplexer 2 of each port number can be installed respectively tuning simultaneously, and then be connected with directional filter 1, make the debugging of multiplexer group more convenient.
This example adopts multiplexer group of the present invention to make duplexer, referring to Fig. 2, is the system block diagram of the multiplexer group in the embodiment of the present invention 2.
First, this example is with the difference of embodiment 1, directional filter 1 is one, multiplexer 2 is two, the common port 21 of a multiplexer 2 is connected with the output 12 of directional filter 1, the common port 21 of another multiplexer 2 is connected with the complementation end 14 of directional filter 1, the multiplexer output 23 of two multiplexers 2 corresponding connection mutually.Directional filter 1 used is between two 90 degree waveguide mixed electrical bridges (also claiming Riblet coupler), to add two identical band pass filters to form.
Fig. 3 is the vertical view of the multiplexer group of embodiment 2.Wherein multiplexer 2 also comprises input waveguide network 211, upper surface and the lower surface of input waveguide network 211 are plane, common port 21 is arranged on one end of input waveguide network 211, and the side of 22 normals at input waveguide network 211 of common port 21 and all filters on horizontal plane is communicated with 211 couplings of input waveguide network.All filters 22 are arranged in order to short-circuit end from the input of input waveguide network 211.
Described each filter comprises at least 2 column bimodulus resonant cavitys 222, and the column bimodulus resonant cavity 222 is here chosen as rectangle, is exemplified as 2.In each column bimodulus resonant cavity 222, there are two mode of operations, TE102 and TE201 pattern, resonance work simultaneously, the axis of this column bimodulus resonant cavity 222 is vertical with the upper surface of input waveguide network, the vertical height of all column bimodulus resonant cavitys 222 that forms described filter 22 is all identical with the height of input waveguide network, between first resonant cavity and input waveguide network 211 of each filter 22, between adjacent resonant cavity, between last resonant cavity of each filter 22 and multiplexer output 23, be communicated with by coupling slot 221 couplings, the height of all coupling slot 221 is all identical with the height of input waveguide network 211, the resonant cavity here differs, and to establish a capital be column bimodulus resonant cavity 222, likely other resonant cavitys.
The bottom of each column bimodulus resonant cavity 222, totally 4 power lines in the time of TE102 and TE201 mode of operation resonance are concentrated place respectively, are provided with totally 4 axis that are only connected with this column bimodulus resonant cavity 222 in bottom and the metal column 223 of column bimodulus resonant cavity 222 bottom vertical.
At this moment, the upper surface that forms all parts of multiplexer group all flushes, can the metab that be plane at a upper surface by Numerical-control Milling Machines on from disposable integral processing above, the cover plate for sealing that is finally plane by a bottom in the above forms.
Embodiment 3
The difference that this example adopts multiplexer group of the present invention to make duplexer and embodiment 2 is only, its multiplexer 2, be illustrated in figure 4 its vertical view, common port 21 is arranged in a side of input waveguide network 211, and 22 opposite sides at input waveguide network 211 of all filters are communicated with 211 couplings of input waveguide network.All filters 22 are arranged in order from the end to end of input waveguide network 211, all short circuits of the two ends of input waveguide network 211.
Those of ordinary skill in the art will appreciate that, example described here is in order to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention do not limit to and such special statement and example.Above embodiment is only in order to illustrate technical scheme of the present invention.Those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement the technical scheme of this direction, and do not depart from the spirit and scope of our surface technology scheme, all should be encompassed in the middle of the scope of the present invention.
Claims (10)
1. multiplexer group, it is characterized in that, comprise the multiplexer (2) that directional filter (1) and port number are greater than 2, described directional filter (1) comprises input (11), output (12), mating end (13) and complementary end (14), mating end (13) connects matched load, and multiplexer comprises common port (21), and the output (12) of described directional filter (1) or complementary end (14) are communicated with common port (21) coupling of multiplexer (2).
2. multiplexer group as claimed in claim 1, it is characterized in that, described multiplexer (2) also comprises at least 2 filters (22) and multiplexer output (23), described common port (21) is connected with the input of filter (22), and the output of filter (22) is multiplexer output (23).
3. multiplexer group as claimed in claim 2, it is characterized in that, described directional filter (1) is at least 2, the quantity of multiplexer (2) is identical with the quantity of directional filter (1), the common port (21) of each multiplexer (2) connects one to one with the output (12) of a directional filter (1) or complementary end (14), each directional filter (1) is connected in series mutually, along side signal transmission to, the input (11) of a rear directional filter (1) connects with the output (12) not being connected with multiplexer (2) or the complementary end (14) of previous directional filter (1), the output (12) not being connected with multiplexer (2) or the complementary end (14) of last directional filter (1) connect matched load, or
Described directional filter (1) is multiple, the quantity of multiplexer (2) is that the quantity of directional filter (1) adds 1, the common port (21) of each multiplexer (2) connects one to one with the output (12) of a directional filter (1) or complementary end (14), each directional filter (1) is connected in series mutually, along side signal transmission to, the input (11) of a rear directional filter (1) connects with the output (12) not being connected with multiplexer (2) or the complementary end (14) of previous directional filter (1), the output (12) not being connected with multiplexer (2) or the complementary end (14) of last directional filter (1) are connected with the common port (21) of last multiplexer (2).
4. multiplexer group as claimed in claim 3, it is characterized in that, filter (22) in all multiplexers (2) is sorted according to its operating frequency, in two adjacent multiplexers (2), the difference of the operating frequency between the interior arbitrary filter (22) of the arbitrary filter (22) in a multiplexer (2) and another multiplexer (2) is all greater than the poor of the operating frequency between two adjacent filters (22) in arbitrary multiplexer (2).
5. multiplexer group as claimed in claim 2, it is characterized in that, described directional filter (1) is one, multiplexer (2) is two, the common port (21) of a described multiplexer (2) is connected with the output (12) of directional filter (1), the common port (21) of another multiplexer (2) is connected with the complementation end (14) of directional filter (1), and the multiplexer output (23) of two multiplexers (2) is corresponding connection mutually.
6. according to the multiplexer group described in claim 1-5 any one, it is characterized in that, described multiplexer (2) also comprises input waveguide network (211), upper surface and the lower surface of input waveguide network (211) are plane, it is upper that common port (21) is arranged on input waveguide network (211), and the side of common port (21) and all filters (22) normal at input waveguide network (211) on horizontal plane is communicated with input waveguide network (211) coupling.
7. multiplexer group according to claim 6, it is characterized in that, described filter (22) comprises at least 2 column bimodulus resonant cavitys (222), in each column bimodulus resonant cavity (222), there is the resonance work simultaneously of two mode of operations, the axis of this column bimodulus resonant cavity (222) is vertical with the upper surface of input waveguide network (211), the vertical height of all column bimodulus resonant cavitys (222) that forms described filter (22) is all identical with the height of input waveguide network (211), between first resonant cavity of each filter (22) and input waveguide network (211), between adjacent resonant cavity, between last resonant cavity of each filter (22) and multiplexer output (23), be communicated with by coupling slot (221) coupling, the height of all coupling slot (221) is all identical with the height of input waveguide network (211).
8. multiplexer group according to claim 7, it is characterized in that, the bottom of column bimodulus resonant cavity (222) described at least one, at least one power line in the time of a certain mode of operation resonance is concentrated place, is provided with an axis being only connected with this column bimodulus resonant cavity (222) in bottom and the metal column (223) of column bimodulus resonant cavity (222) bottom vertical.
9. according to the multiplexer group described in claim 1 to 5 any one, it is characterized in that, the upper surface that forms all parts of multiplexer group all flushes, on can the metab that be plane at a upper surface by Numerical-control Milling Machines, from disposable integral processing above, the cover plate for sealing that is finally plane by a bottom in the above forms.
10. the multiplexer group described in any one according to Claim 8, it is characterized in that, the upper surface that forms all parts of multiplexer group all flushes, on can the metab that be plane at a upper surface by Numerical-control Milling Machines, from disposable integral processing above, the cover plate for sealing that is finally plane by a bottom in the above forms.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104577265A (en) * | 2014-12-22 | 2015-04-29 | 成都赛纳赛德科技有限公司 | Multiplexer group with circulator |
CN106374172A (en) * | 2016-10-28 | 2017-02-01 | 安徽四创电子股份有限公司 | Waveguide couplers-based millimeter wave multiplexer |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2472432Y (en) * | 2001-03-27 | 2002-01-16 | 上海理想信息产业有限责任公司 | Multiple frequency band signal router for mobile telecommunication |
CN1901437A (en) * | 2006-07-26 | 2007-01-24 | 上海华为技术有限公司 | Communication system duplexer and multiplexer and duplexer and multiplexer method |
EP1233470B1 (en) * | 2001-02-15 | 2009-03-25 | Alcatel Lucent | Injection device for a microwave filter unit with dielectric resonators and a filter unit with such a device |
CN103050750A (en) * | 2013-01-14 | 2013-04-17 | 成都赛纳赛德科技有限公司 | Dual-hole compact wave guide directional filter |
CN203883093U (en) * | 2014-01-26 | 2014-10-15 | 成都赛纳赛德科技有限公司 | Multiplexer set |
-
2014
- 2014-01-26 CN CN201410037806.8A patent/CN103779637B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1233470B1 (en) * | 2001-02-15 | 2009-03-25 | Alcatel Lucent | Injection device for a microwave filter unit with dielectric resonators and a filter unit with such a device |
CN2472432Y (en) * | 2001-03-27 | 2002-01-16 | 上海理想信息产业有限责任公司 | Multiple frequency band signal router for mobile telecommunication |
CN1901437A (en) * | 2006-07-26 | 2007-01-24 | 上海华为技术有限公司 | Communication system duplexer and multiplexer and duplexer and multiplexer method |
CN103050750A (en) * | 2013-01-14 | 2013-04-17 | 成都赛纳赛德科技有限公司 | Dual-hole compact wave guide directional filter |
CN203883093U (en) * | 2014-01-26 | 2014-10-15 | 成都赛纳赛德科技有限公司 | Multiplexer set |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104577265A (en) * | 2014-12-22 | 2015-04-29 | 成都赛纳赛德科技有限公司 | Multiplexer group with circulator |
CN106374172A (en) * | 2016-10-28 | 2017-02-01 | 安徽四创电子股份有限公司 | Waveguide couplers-based millimeter wave multiplexer |
CN106374172B (en) * | 2016-10-28 | 2020-02-18 | 安徽四创电子股份有限公司 | Millimeter wave band multiplexer based on waveguide coupler |
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