CN102623778B - Cavity combiner with double-layered communal port - Google Patents
Cavity combiner with double-layered communal port Download PDFInfo
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- CN102623778B CN102623778B CN201210074170.5A CN201210074170A CN102623778B CN 102623778 B CN102623778 B CN 102623778B CN 201210074170 A CN201210074170 A CN 201210074170A CN 102623778 B CN102623778 B CN 102623778B
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Abstract
The invention discloses a cavity combiner with a double-layered communal port. The cavity combiner comprises three connectors, a plurality of resonant cavities, six tap lines, a cavity framework, a plurality of adjustable screw bolts, two cover plates and a cavity partition board, wherein the cavity partition board is integrally formed with the cavity framework and divides the framework into an upper cavity and a lower cavity; the resonant cavities are respectively and symmetrically fixed on the upper and the lower surfaces of the cavity partition board; the adjustable screw bolts are screwed into the metal cover plate, extend into the resonant cavities in a one-to-one correspondence manner, and are not in contact with the resonant cavities; while one connector is connected with one side of the framework, other two connectors are connected with the other side; and the inner core of each connector is connected with two tap lines, the other ends of the two tap lines are respectively connected with the resonant cavities close to the connector. According to the cavity combiner provided by the invention, a double-layered multichannel communal port structure is adopted, so some ports are avoided, the integral structure is compact, and the shunting/combing function of different channels of the same format in a communication system is easier to realize.
Description
Technical field
The present invention relates to mobile communication equipment technical field, relate in particular to a kind of four frequency cavity combiners of double-deck comm port.
Background technology
Along with the fast development of mobile communication, the demand with high selectivity and comprehensive mixer is constantly increased, these devices are widely used in mobile communication system and base station, the signal being used in comprehensive different radio frequency channel (from transmitter or antenna).In microwave frequency band, the mixer with the coaxial cavity of transmission zero or comb line filter composition has application prospect very widely, at present, most of coaxial cavity mixers are all to enter 1 with individual layer N to go out N+1 port organization, this cavity body structure has high Q value, the advantages such as power is large, and insertion loss is little, and Out-of-band rejection is good.But single layer structure is for the more close communication system of channel ratio, and in the time closing road port and have common cavity, the cavity topological structure arrangement of the mixer more complicated that can seem, and with respect to double-decker, relatively cost of idleness.
Summary of the invention
For overcome the topological structure of individual layer cavity combiner arrange complicated, port many and high in cost of production problem.The invention provides a kind of double-deck comm port cavity combiner, the each port of the present invention is equivalent to one and closes crossing, and at the bottom of the shared one deck of upper and lower two-layer filter chamber, makes overall structure more compact.
The object of the invention is to be achieved through the following technical solutions: a kind of double-deck comm port cavity combiner, it comprises: three connectors, some resonant cavitys, six roots of sensation tap line, chamber frame, some adjusting screws, two cover plates and cavity dividing plate; Wherein, described cavity dividing plate and chamber frame are integrally formed, and framework is separated into upper and lower two cavitys, and several resonant cavitys are fixed on respectively the top and bottom of cavity dividing plate symmetrically; Two metal cover boards cover respectively in the upper and lower surface of chamber frame and fix; Some adjusting screws are threaded into metal cover board and stretch in resonant cavity, stretch into an adjusting screw in each resonant cavity, and adjusting screw does not all contact with resonant cavity; One side of framework connects a connector, and opposite side connects two connectors, and three connectors all communicate with the cavity up and down of framework; The place that cavity dividing plate is connected with three connectors at framework has three holes, the connector inner core of each connector connects two tap lines, the other end of these two tap lines is respectively through hole, is connected with two resonant cavitys of the top and bottom of the cavity dividing plate near connector.
The invention has the beneficial effects as follows: the present invention has adopted double-deck multichannel comm port structure, this structure can save a part of port, also be convenient to the arrangement of each road cavity body structure in mixer, compact overall structure, and more easily realize the shunt He He road function with different channels in standard in communication system.
Accompanying drawing explanation
Fig. 1 is the front inner chamber figure of cavity combiner;
Fig. 2 is the reverse side inner chamber figure of cavity combiner;
Fig. 3 is the vertical view of the overall appearance figure of cavity combiner;
Fig. 4 is the upward view of the overall appearance figure of cavity combiner;
Fig. 5 is the front view of the overall appearance figure of cavity combiner;
Fig. 6 is the rearview of the overall appearance figure of cavity combiner;
Fig. 7 is the left view of the overall appearance figure of cavity combiner;
Fig. 8 is the cutaway view of the public tap of bilayer of one of them port of cavity combiner;
Fig. 9 is embodiment port one, the S comparative bid parameter of the simulation between 2 and measured result;
Figure 10 is embodiment port one, the S comparative bid parameter of the simulation between 3 and measured result;
In figure, connector 1, resonant cavity 2, tap line 3, chamber frame 4, adjusting screw 5, fixed screw 6, cover plate 7, connector inner core 8, cavity dividing plate 9.
Embodiment
As Figure 1-Figure 8, the double-deck comm port cavity combiner of the present invention comprises: three connectors 1, some resonant cavitys 2, six roots of sensation tap line 3, chamber frame 4, some adjusting screws 5, two cover plates 7 and cavity dividing plates 9.
Wherein, cavity dividing plate 9 is integrally formed with chamber frame 4, and framework 4 is separated into upper and lower two cavitys, and several resonant cavitys 2 are fixed on respectively the top and bottom of cavity dividing plate symmetrically, as shown in Figure 1, the internal structure of lower cavity as shown in Figure 2 for the internal structure of upper chamber; Two metal cover boards 7 cover respectively in the upper and lower surface of chamber frame 4 and by fixed screw 6 to be fixed; Some adjusting screws 5 are threaded into metal cover board 7 and stretch in resonant cavity 2, stretch into an adjusting screw 5 in each resonant cavity 2, and adjusting screw 5 does not contact with resonant cavity 2; One side of framework 4 connects a connector 1, opposite side connects two connectors 1, three connectors 1 all communicate with the cavity up and down of framework, the place that cavity dividing plate 9 is connected with three connectors 1 at framework has three holes, the inner core 8 of each connector connects two tap lines 3, the other end of these two tap lines 3, respectively through hole, is connected with two resonant cavitys 2 of the cavity dividing plate top and bottom near connector.
The course of work of the present invention is as follows: regulate the length of adjusting screw 5 can change resonance frequency, thereby can suppress spurious signal, by needed signal, fixed after adjusting the length of adjusting screw 5 by nut.Two connectors that indicate IN of signal from Fig. 3 are inputted two paths of signals, after four shunt, then close road signal from connector 1 output that indicates OUT.Innovation of the present invention is double-deck comm port structure as shown in Figure 8, signal enters respectively in upper and lower two-layer band cavity body structure from indicating the connector of IN enters, be that two-way enters after input with the signal of communication of spurious signal, from closing the road port output Shi tetra-filtered signals of communication in tunnel.
Specifically be implemented as follows: in mixer access wire communication, GSM1800-Smart(1725-1750MHz, 1820-1845MHz) & GSM1800-Suncel(1760-1785MHz, 1855-1880MHz) signal closes road signal from the connector output that indicates OUT from two connectors input that indicates IN Fig. 3 after the filtering of four shunt.Emulation and measured result are as shown in Fig. 9,10, test and simulation curve are more identical, S31 parameter in S21 and Figure 10 in Fig. 9 two transmission zeros separately all-below 30dB, the return loss of four frequency ranges also-below 20dB, and also there is the isolation higher than 80dB at GSM800 and 3G communications band, met Modern Communication System to filter miniaturization, filter with low insertion loss, highly suppress, requirement that isolation is high, have a good application prospect.
Claims (1)
1. a double-deck comm port cavity combiner, it is characterized in that, it comprises: three connectors (1), some resonant cavitys (2), six roots of sensation tap line (3), chamber frame (4), some adjusting screws (5), two cover plates (7) and cavity dividing plate (9); Wherein, described cavity dividing plate (9) is integrally formed with chamber frame (4), and chamber frame (4) is separated into upper and lower two cavitys, and several resonant cavitys (2) are fixed on respectively the top and bottom of cavity dividing plate (9) symmetrically; Two metal cover boards (7) cover respectively in the upper and lower surface of chamber frame (4) and fix; Some adjusting screws (5) are threaded into metal cover board (7) and stretch in resonant cavity (2), stretch into an adjusting screw (5) in each resonant cavity (2), and adjusting screw (5) does not all contact with resonant cavity (2); One side of chamber frame (4) connects two connectors (1), the signal of one of them connector (1) input 1725-1750MHz and 1820-1845MHz frequency range, the signal of another connector (1) input 1760-1785MHz and 1855-1880MHz frequency range; The opposite side of chamber frame (4) connects a connector (1), and road signal is closed in this connector (1) output; Three connectors (1) all communicate with the cavity up and down of chamber frame (4); The place that cavity dividing plate (9) is connected with three connectors (1) in chamber frame (4) has three holes, the connector inner core (8) of each connector (1) connects one end of two tap lines (3), wherein the other end of a tap line (3) is through hole, be connected with the resonant cavity (2) of cavity dividing plate (9) close connector above, the other end of another root tap line (3), through hole, is connected with the resonant cavity (2) of cavity dividing plate (9) close connector below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074170.5A CN102623778B (en) | 2012-03-20 | 2012-03-20 | Cavity combiner with double-layered communal port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074170.5A CN102623778B (en) | 2012-03-20 | 2012-03-20 | Cavity combiner with double-layered communal port |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102623778A CN102623778A (en) | 2012-08-01 |
| CN102623778B true CN102623778B (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210074170.5A Expired - Fee Related CN102623778B (en) | 2012-03-20 | 2012-03-20 | Cavity combiner with double-layered communal port |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545588B (en) * | 2013-10-24 | 2015-04-29 | 江苏贝孚德通讯科技股份有限公司 | Half-wavelength shared-cavity metal resonator |
| CN105846019B (en) * | 2016-06-02 | 2021-05-28 | 京信通信技术(广州)有限公司 | Double-layer cavity common-port combiner |
| CN113346210A (en) * | 2021-04-27 | 2021-09-03 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006138157A2 (en) * | 2005-06-15 | 2006-12-28 | Mansions Of Thought, R & D, Llc | Dielectrically loaded coaxial resonator |
| CN201436696U (en) * | 2009-05-14 | 2010-04-07 | 南京广顺网络通信设备有限公司 | CDMA+GSM+3G/DCS1800 dual-frequency mixer |
| CN201708233U (en) * | 2010-06-09 | 2011-01-12 | 深圳市华思科技股份有限公司 | Five-frequency combiner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7075392B2 (en) * | 2003-10-06 | 2006-07-11 | Com Dev Ltd. | Microwave resonator and filter assembly |
| CN101056125A (en) * | 2006-04-10 | 2007-10-17 | 常州金士达通讯设备有限公司 | Switcher for communication base station |
| ITMI20061803A1 (en) * | 2006-09-22 | 2008-03-23 | Mario Bandera | COAXIAL CAVITY RESONATOR |
| CN202550045U (en) * | 2012-03-20 | 2012-11-21 | 中国计量学院 | Double-layer public port cavity combiner |
-
2012
- 2012-03-20 CN CN201210074170.5A patent/CN102623778B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006138157A2 (en) * | 2005-06-15 | 2006-12-28 | Mansions Of Thought, R & D, Llc | Dielectrically loaded coaxial resonator |
| CN201436696U (en) * | 2009-05-14 | 2010-04-07 | 南京广顺网络通信设备有限公司 | CDMA+GSM+3G/DCS1800 dual-frequency mixer |
| CN201708233U (en) * | 2010-06-09 | 2011-01-12 | 深圳市华思科技股份有限公司 | Five-frequency combiner |
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| CN102623778A (en) | 2012-08-01 |
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Address after: 315470 Zhejiang Province, Yuyao City Simen Town Guangming Road No. 126 Applicant after: China Jiliang University Address before: Hangzhou City, Zhejiang province 310018 Jianggan District Xiasha Higher Education Park source Street No. 258 Applicant before: China Jiliang University |
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