CN204834813U - Three frequency combiners of G&DTDF&TDATDE - Google Patents
Three frequency combiners of G&DTDF&TDATDE Download PDFInfo
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- CN204834813U CN204834813U CN201520427536.1U CN201520427536U CN204834813U CN 204834813 U CN204834813 U CN 204834813U CN 201520427536 U CN201520427536 U CN 201520427536U CN 204834813 U CN204834813 U CN 204834813U
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Abstract
The utility model discloses a three frequency combiners of G&DTDF&TDATDE belongs to electronic information and removes the communication technology field. The utility model discloses a resonant cavity form, application wave filter basic principle designs the cavity filter who is applicable to GSM, DCS, TDF, TDA and TDE network signal respectively on same cavity. And the utility model discloses the adoption integration of port department connects, and in the messenger connected the corresponding resonance pole of disect insertion, it needed coupling conductor welded local everywhere originally to have reduced, had reduced the assemble duration and had improved the intermodulation interference index. The rethread comes sparingly cost to cavity die sinking die -casting, be one kind small, light in weight, communication network equipment with low costs, that the practicality is strong.
Description
Technical field
The utility model belongs to the network optimization product in electronic information and mobile communication technology field, specifically a kind of G & D/TDF & TDA/TDE tri-frequency combiner.
Background technology
GSM is called entirely: GlobalSystemforMobileCommunications, and Chinese implication is global system for mobile communications, is commonly called as " Global Link ", and being a kind of mobile communication technology standard originating from Europe, is Generation Mobile Telecommunication System technology.
DCS is called entirely: DigitalCellularSystemat1800MHz, Chinese implication is 1800MHz Digital Cellular System, China's Mobile Communication Development is abnormal swift and violent, on the one hand due to the restriction of 900MHz frequency resource, there is the phenomenons such as frequency resource is nervous, channel is not enough, and traffic density is excessive in some areas; Utilize the technology such as the covering of multiple frequency multiplex mode, multilayer, frequency hopping to increase capacity on the other hand, also there is many limitations.Only have and carry out traffic by DCS1800 net and share, could thoroughly solve the problem.The utility model moves DCS and refers to that 1710 ~ 1725MHz(is up), UNICOM DCS refers to that 1745 ~ 1755MHz(is up)
TD-SCDMA is English TimeDivision-SynchronousCodeDivisionMultipleAccess(TD SDMA) abbreviation, the 3G (Third Generation) Moblie standard (being called for short 3G) that China proposes, also be in three 3G standards of ITU approval, based on Intellectual Property Right in China, by the radio communication international standard accepted extensively in the world and approve.It is milestone important in China's telecommunication history.
Three frequency ranges of the TD-SCDMA acquisition of China Mobile, TD (A) is frequency range 1880-1900MHz, TD (F) is frequency range 2010MHz-2025MHz, TD (E) is frequency range 2300MHz-2400MHz.
Because mobile communication high speed development has multiple network to exist simultaneously, existing a large amount of communication network optimize project is when doing quorum sensing inhibitor, needing to reduce space and save cost, a kind of the mixer that multiple signals merge into a road signal being reached unlike signal system transfers by using.
Utility model content
The utility model is exactly strengthen construction basis TD-SCDMA network, solve the object of five system co-space feedback system problems, thering is provided a kind of by the tri-frequency combiner of five kinds of network signal design of filters on same cavity, is that multiple network signal system transmits indispensable device.
A kind of G & D/TDF & TDA/TDE tri-frequency combiner disclosed in the utility model, comprise the cover plate on cavity and cavity, inside cavity is provided with four filters, be respectively GSM filter, DCS filter, TDF & TDA filter and TDE filter, four joint G & D ports, TDF & TDA port, TDE port and public ports are separately positioned on containment portion.Wherein, G & D port is connected jointly with GSM filter input end and DCS filter input end, and TDF & TDA port is connected with TDF & TDA filter input end, and TDE port is connected with TDE filter input end.Public port is connected jointly with GSM filter output, DCS filter output, TDF & TDA filter output and TDE filter output, and the partition wall of junction has groove realization coupling.
As the further improvement of technique scheme, GSM filter comprises a groove, comprise 4 resonant rods be connected successively in groove, first resonant rod is connected with G & D port by coupled-wires, and last resonant rod is connected with public port by coupled-wires.Coupled-wires is fixed on resonant rod and joint by silver-jacketed wire scolding tin.
Another kind as technique scheme improves, DCS filter comprises seven resonant cavitys be connected successively, i.e. the first to the seven resonant cavity, a resonant rod has been installed in the center of each resonant cavity, first resonant rod is of coupled connections by joint and G & D port, and last resonant rod is connected by Space Coupling and is connected with the first common cavity.
Another kind as technique scheme improves, and TDF & TDA filter comprises 8 resonant cavitys be connected successively, i.e. the eight to the ten five resonant cavity, and a resonant rod has been installed in the center of each resonant cavity.First resonant rod is of coupled connections by joint and TDF & TDA port, and last resonant rod is connected by Space Coupling and is connected with the second common cavity.Second common cavity is connected with the first common cavity by Space Coupling.And between the 11 resonant cavity and the 13 resonant cavity, capacitive cross coupling device is installed.Capacitive cross coupling device is 1 and is fixed on and tuningly in the recessed grain of cavity flies bar.
Another kind as technique scheme improves, and TDE filter comprises six resonant cavitys be connected successively, i.e. the ten five to the two ten resonant cavitys, and a resonant rod has been installed in the center of each resonant cavity.First resonant rod is of coupled connections by joint and TDE port, and last resonant rod is connected by Space Coupling and is connected with the second common cavity.Second common cavity is connected with the first common cavity Space Coupling.
Another kind as technique scheme improves, and a resonant rod has respectively been installed in two common cavity centers.Resonant rod in first common cavity is of coupled connections by joint and public port.
The utility model adopts resonant cavity form, uses filter general principle will to be applicable to the cavity body filter design of GSM, DCS, TDF & TDA and TDE network signal respectively on the tow sides of same cavity.And port adopts integrated joint, joint is directly inserted in corresponding resonant rod, decrease the place originally needing coupling conductors to weld everywhere, decrease installation time and improve Intermodulation Interference index.The die sinking of whole cavity aluminum processes and to inner electroplate.Adopt above technology to make five kinds of signals use same set of feeder system, improve the performance of whole system, strengthen the reliability of network, simplify multisystem preferably and cover, and be more suitable for engineering construction application.Become volume little, lightweight, the communication network optimized device that cost is low, practical.
Accompanying drawing explanation
Fig. 1 is the utility model tri-frequency combiner cut-away view;
Fig. 2 is the left pseudosection of the utility model tri-frequency combiner;
Fig. 3 is the utility model tri-frequency combiner right view;
Fig. 4 is the utility model tri-frequency combiner left view.
Embodiment
Below in conjunction with accompanying drawing, G & D/TDF & TDA/TDE tri-frequency combiner of the present utility model is described in detail.
As shown in Figures 1 to 4, G & D/TDF & TDA/TDE tri-frequency combiner of the present utility model adopts lumped parameter and distributed constant principle, according to technical indicator, in conjunction with Chebyshev type Design of Bandpass principle.G & D/TDF & TDA/TDE tri-frequency combiner of the present utility model comprises cavity 1(1), cover plate 2(1), resonant rod (23), 9(52, debugging screw) fixing resonance bar screw (4), joint (4), tuningly fly bar 14 (1), mounting cover plate bolt (100).Cavity 1 inside comprises four filters and is respectively GSM filter, DCS filter, TDF & TDA filter and TDE filter. and whole mixer has four joints to be G & D port 3, TDF & TDA port 5, TDE port 4 and public port 6 respectively.G & D port is connected jointly with GSM filter input end and DCS filter input end, and TDF & TDA port is connected with TDF & TDA filter input end, and TDE port is connected with TDE filter input end.Public port 6 and GSM filter output add that DCS filter output, TDF & TDA filter output and TDE filter output are connected and the partition wall of junction has groove realizes being coupled.
Specifically, GSM filter comprises a groove 11, and comprise 4 resonant rods be connected successively in groove, first resonant rod is connected with G & D port 3 by coupled-wires 7, and last resonant rod is connected with public port 6 by coupled-wires 7.Coupled-wires 7 is fixed on resonant rod and joint by silver-jacketed wire scolding tin.
DCS filter comprises seven resonant cavitys be connected successively, i.e. the first resonant cavity 21 to the seven resonant cavity 27, a resonant rod has been installed in the center of each resonant cavity, first resonant rod is of coupled connections by joint and G & D port 3, and last resonant rod is connected by Space Coupling and is connected with the first common cavity 28.
TDF & TDA filter comprises 8 resonant cavitys be connected successively, i.e. the 8th resonant cavity 31 to the 15 resonant cavity 38, and a resonant rod has been installed in the center of each resonant cavity.First resonant rod is of coupled connections by joint and TDF & TDA port 5, and last resonant rod is connected by Space Coupling and is connected with the second common cavity 39.Second common cavity 39 is connected with the first common cavity 28 by Space Coupling.And between the 12 resonant cavity the 35 and the 14 resonant cavity 37, capacitive cross coupling device 8 is installed.Capacitive cross coupling device 8 is 1 and is fixed on and tuningly in the recessed grain of cavity flies bar.
TDE filter comprises six resonant cavitys be connected successively, i.e. the 16 resonant cavity 41 to the 21 resonant cavity 46, and a resonant rod has been installed in the center of each resonant cavity.First resonant rod is of coupled connections by joint and TDE port 4, and last resonant rod is connected by Space Coupling and is connected with the second common cavity 39.Second common cavity 39 is connected with the first common cavity 28 Space Coupling.
A resonant rod has respectively been installed in two common cavity centers.Resonant rod in first common cavity 28 is of coupled connections by joint and public port 6.
According to optimized network principle, G & D/TDF & TDA/TDE tri-of the present utility model frequently path combining technique index is as shown in table 1.
Table 1G & D/TDF & TDA/TDE tri-path combining technique index frequently
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (8)
1. a G & D/TDF & TDA/TDE tri-frequency combiner, is characterized in that: comprise the first cover plate (2) on cavity (1) and cavity (1) and the second cover plate (20), cavity (1) inside is provided with four filters, be respectively GSM filter, DCS filter, TDF & TDA filter and TDE filter, four joints are G & D port (3) respectively, TDF & TDA port (5), TDE port (4) and public port (6), be separately positioned on cavity (1) outside, wherein G & D port (3), TDF & TDA port (5) and TDE port (4) add DCS filter input end with GSM filter input end respectively, TDF & TDA filter input end is connected with TDE filter input end, public port (6) and GSM filter output add that DCS filter output, TDF & TDA filter output and TDE filter output are connected and the partition wall of junction has groove realizes being coupled.
2. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 1, it is characterized in that: described GSM filter comprises a groove (11), 4 resonant rods be connected successively are comprised in groove (11), first resonant rod is connected with G & D port (3) by coupled-wires (7), and last resonant rod is connected with public port (6) by coupled-wires (7).
3. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 2, is characterized in that: described coupled-wires (7) is fixed on resonant rod and joint by silver-jacketed wire scolding tin.
4. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 1, it is characterized in that: described DCS filter comprises seven resonant cavitys be connected successively, namely the first resonant cavity (21) is to the 7th resonant cavity (27), a resonant rod has been installed in the center of each resonant cavity, first resonant rod is of coupled connections by joint and G & D port (3), and last resonant rod is connected by Space Coupling and is connected with the first common cavity (28).
5. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 1, it is characterized in that: described TDF & TDA filter comprises 8 resonant cavitys be connected successively, namely the 8th resonant cavity (31) is to the 15 resonant cavity (38), and a resonant rod has been installed in the center of each resonant cavity; First resonant rod is of coupled connections by joint and TDF & TDA port (5), and last resonant rod is connected by Space Coupling and is connected with the second common cavity (39); Second common cavity (39) is connected with the first common cavity (28) by Space Coupling; And between the 12 resonant cavity (35) and the 14 resonant cavity (37), capacitive cross coupling device (8) is installed.
6. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 5, is characterized in that: described capacitive cross coupling device (8) is 1 and is fixed on and tuningly in the recessed grain of cavity flies bar.
7. G & D/TDF & TDA/TDE tri-frequency combiner according to claim 1, it is characterized in that: described TDE filter comprises six resonant cavitys be connected successively, namely the 16 resonant cavity (41) is to the 21 resonant cavity (46), and a resonant rod has been installed in the center of each resonant cavity; First resonant rod is of coupled connections by joint and TDE port (4), and last resonant rod is connected by Space Coupling and is connected with the second common cavity (39); Second common cavity (39) is connected with the first common cavity (28) Space Coupling.
8. the G & D/TDF & TDA/TDE tri-frequency combiner according to claim 5 or 7, is characterized in that: a resonant rod has respectively been installed in described two common cavity centers; Resonant rod in first common cavity is of coupled connections by joint and public port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520427536.1U CN204834813U (en) | 2015-06-19 | 2015-06-19 | Three frequency combiners of G&DTDF&TDATDE |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520427536.1U CN204834813U (en) | 2015-06-19 | 2015-06-19 | Three frequency combiners of G&DTDF&TDATDE |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086720A (en) * | 2020-09-14 | 2020-12-15 | 天华(深圳)通信科技有限公司 | POI combiner for 5G base station and design method thereof |
| CN113036347A (en) * | 2019-12-25 | 2021-06-25 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
| CN113675566A (en) * | 2020-05-15 | 2021-11-19 | 大富科技(安徽)股份有限公司 | Communication device and filter thereof |
-
2015
- 2015-06-19 CN CN201520427536.1U patent/CN204834813U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036347A (en) * | 2019-12-25 | 2021-06-25 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
| CN113675566A (en) * | 2020-05-15 | 2021-11-19 | 大富科技(安徽)股份有限公司 | Communication device and filter thereof |
| CN112086720A (en) * | 2020-09-14 | 2020-12-15 | 天华(深圳)通信科技有限公司 | POI combiner for 5G base station and design method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |