CN2796134Y - PHS/WCDMA circuit integrating device - Google Patents
PHS/WCDMA circuit integrating device Download PDFInfo
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- CN2796134Y CN2796134Y CN 200520000209 CN200520000209U CN2796134Y CN 2796134 Y CN2796134 Y CN 2796134Y CN 200520000209 CN200520000209 CN 200520000209 CN 200520000209 U CN200520000209 U CN 200520000209U CN 2796134 Y CN2796134 Y CN 2796134Y
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- wcdma
- phs
- cavity
- inner wire
- cover plate
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Abstract
The utility model relates to a PHS/WCDMA combiner which adopts a two-way unsymmetrical elliptic function structural style. A structural part comprises a cavity, an inner conductor, a tuning screw, a mounting screw, an absorption circuit and a joint. One input end and two output ends of the structural part of the PHS/WCDMA combiner are respectively arranged on both sides of the cavity; the two output ends are respectively a PHS channel and a WCDMA channel. The PHS/WCDMA combiner of the utility model achieves high isolation in a narrow frequency, and has the advantages of excellent response form, network performance improvement, network reliability enhancement, reasonable structure, strong applicability and wide application space.
Description
Technical field
The utility model relates to a kind of PHS/WCDMA mixer of wireless communication field, particularly relates to a kind of PHS/WCDMA mixer of networking.
Background technology
In the process of networking, usually require in transmission line, to transmit frequency ranges some or that certain is several, there is not big interference in order to make after the networking between each frequency band, need enough big isolation between the different frequency ranges, therefore, mixer just arises at the historic moment.Mixer has satisfied the requirement of aforesaid networking, has very important use in networking.Mixer has a variety of with regard to its kind, our said mixer is meant the coaxial cavity mixer that is used in the networking now.Existing this type of mixer is by compositions such as joint, joint mounting screw, cavity, inner wire, inner wire mounting screw, tuning screw, nut, pad, cover plate, cover plate mounting screw, silver-coated copper wires.Sometimes also to add absorption circuit and improve isolation.But because each manufacturer is different, the profile of mixer also just has nothing in common with each other.
Not only the technical indicator of mixer will satisfy the needs of networking, and the external structure of mixer also has very significant effects to networking.What existing various mixer majority adopted is the coaxial cavity structure, realize coupling between the different cavity by coupling aperture between each loculus of cavity, install inner wire in the middle of each loculus body, silver-coated copper wire is connected the inner wire in first chamber and last chamber with joint inner core, improve isolation by adding absorption circuit between the different cavitys.Because the frequency interval between the existing P HS/WCDMA mixer is very near, so in this case, in order not have big Insertion Loss, also very high isolation will be arranged.Therefore, the adding absorption circuit becomes and becomes necessary means.
This shows that the effect of mixer is most important in the networking process.And in the communication process of present stage, the boundary belt between communications band and the frequency range is very narrow, have in addition do not have a boundary belt.In this case, how in very narrow frequency range, to accomplish very high isolation, frequency is carried out more efficiently utilization and signal is carried out more favourable transmission.This just requires the technical staff to realize big as far as possible isolation in the narrow frequency range of trying one's best, and in order to reach this purpose, relevant producer there's no one who doesn't or isn't seeks solution painstakingly, and has taked various measures.Though also can accomplish reasonable isolation,, but be to be cost to have sacrificed a part of frequency.All the time, do not see that more the design that is suitable for finished by development yet.
This shows that above-mentioned existing P HS/WCDMA mixer obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the PHS/WCDMA mixer exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing P HS/WCDMA mixer exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of PHS/WCDMA mixer of new structure, can improve general existing P HS/WCDMA mixer, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing P HS/WCDMA mixer exists, and provide a kind of new PHS/WCDMA mixer, technical problem to be solved is to make it solve in the existing networking the not high problem of isolation between the PHS frequency band and WCDMA frequency range, improve the technical indicator of mixer, and then the performance of raising system, increase the competitiveness of product, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the PHS/WCDMA mixer that the present invention proposes, it comprises: cavity, and it comprises a plurality of loculuses, realizes coupling by coupling aperture between each loculus; An input port and two delivery outlets are arranged respectively in the both sides of cavity, be separately installed with the N-KFD12 joint, two above-mentioned delivery outlets are respectively PHS road and WCDMA road; Cover plate is installed on the cavity by mounting screw; Inner wire, this inner wire one end has screw thread, and the other end is a hollow-core construction, and this hollow-core construction makes the frequency tuning screw deeply wherein, and the inner wire mounting screw is connected on the inner wire by the counterbore on the cavity; Absorption circuit is divided into two kinds of perceptual absorption circuit and capacitive absorption circuits, adds perceptual absorption circuit between the B-E chamber, adds the capacitive absorption circuit between F-L, M-Q, P-V chamber; Above-mentioned cover plate is provided with screwed hole, and frequency tuning screw and coupling tuning screw are deep in the cavity by screwed hole; The frequency tuning screw is by adjusting the electrical length that distance between itself and the inner wire changes inner wire, and the coupling tuning screw can change the stiffness of coupling between the adjacent cavity.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid PHS/WCDMA mixer, wherein said N-KFD12 joint is installed in the screwed hole by the joint that the joint mounting screw is installed on the cavity.
Aforesaid PHS/WCDMA mixer, wherein said N-KFD12 joint inner core couples together by the inner wire in silver-coated copper wire and first chamber and last chamber, and the junction is fixed with scolding tin.
Aforesaid PHS/WCDMA mixer, wherein said capacitive absorption circuit is connected across in the groove between adjacent two chambeies by the polytetrafluoroethylene piece, at its two ends nut can be installed.
Aforesaid PHS/WCDMA mixer, wherein said perceptual absorption circuit, the aperture that is passed on the cover plate by silver-coated copper wire constitutes, and its part in cavity in groove, is fixed on the cover plate with scolding tin just.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present utility model thes contents are as follows:
The utility model is about a kind of PHS/WCDMA mixer, between its each cavity, by the hole coupling each chamber is linked, and the chamber number of increase can be strengthened the inhibition of band edge.Mounting screw is arranged on the cover plate, and these screws can make cover plate contact closely with cavity, and are unlikely between cover plate and cavity the space is arranged.Simultaneously in the PHS/WCDMA mixer, add absorption circuit, strengthen the selectivity of mixer, thereby higher band degree of inhibition outward is provided.Absorption circuit has perception and two kinds of capacitives, the capacitive absorption circuit, and it is connected across in the groove between adjacent two chambeies by the polytetrafluoroethylene piece, at its two ends nut can be installed.The perception absorption circuit, the aperture that is passed on the cover plate by silver-coated copper wire constitutes, and its part in cavity is just in groove.When be tuned to behind the suitable position, be fixed on the cover plate with scolding tin.Above-mentioned inner wire has screw thread at the one end, the usefulness that is used for fixing, and the other end is a hollow-core construction, can make the frequency tuning screw deeply wherein, strengthens tuning scope.On the above-mentioned cover plate screwed hole is arranged, the frequency tuning screw is by adjusting the electrical length that distance between itself and the inner wire changes inner wire.The coupling tuning screw can change the stiffness of coupling between the adjacent cavity.Aforesaid PHS/WCDMA mixer be tuned to behind the correct position with nut tightening, make screw firm fixing on the cover board.Pad between cover plate and nut makes tuning screw more firm.Aforesaid PHS/WCDMA mixer is the square structure of rule, the layout exquisiteness.Screwed hole is arranged at the bottom, can be used for mounting bracket.
From the above, the utility model PHS/WCDMA mixer, its structure division comprises: cavity, inner wire, inner wire mounting screw, frequency tuning screw, nut, pad, coupling screw, cover plate, cover plate mounting screw, N-KFD12 joint, joint mounting screw, absorption circuit, polytetrafluoroethylene piece, support etc.
Via technique scheme, the utility model PHS/WCDMA mixer has following advantage at least:
1, the utility model layout structure is reasonable, and adaptability is strong, and very wide application space is arranged.
2, the PHS/WCDMA mixer that the utility model proposes has been accomplished very high isolation in very narrow frequency, have fabulous response forms, can improve the performance of network greatly, strengthens the reliability of network.
In sum, the PHS/WCDMA mixer of the utility model special construction, it has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and the multinomial effect that has enhancement than existing P HS/WCDMA mixer, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by a preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1A is the front view of the utility model PHS/WCDMA mixer installation diagram.
Figure 1B is the partial sectional view of the utility model PHS/WCDMA mixer installation diagram.
Fig. 2 is the capacitive absorption circuit schematic diagram of the utility model PHS/WCDMA mixer.
Fig. 3 A is the polytetrafluoroethylene piece front view of the utility model PHS/WCDMA mixer.
Fig. 3 B is the polytetrafluoroethylene piece left side cutaway view of the utility model PHS/WCDMA mixer.
Fig. 3 C is the polytetrafluoroethylene piece vertical view of the utility model PHS/WCDMA mixer.
Fig. 4 is the inner wire schematic diagram of the utility model PHS/WCDMA mixer.
Fig. 5 is the perceptual absorption circuit schematic diagram of the utility model PHS/WCDMA mixer.
Fig. 6 is the cover plate schematic diagram of the utility model PHS/WCDMA mixer.
1: inner wire 2: cover plate is installed screwed hole
3: silver-coated copper wire 4: the joint mounting screw
5:N-KFD12 joint 6: coupling aperture
8: nut 9: pad
11: capacitive absorption circuit 12: cavity
13: cover plate 14: the cover plate mounting screw
15: frequency tuning screw 16: the coupling tuning screw
17: inner wire mounting screw 18: the polytetrafluoroethylene piece
19: groove 20: the cover plate through hole
21: cover plate screwed hole 22: joint is installed screwed hole
23: counterbore 24: perceptual absorption circuit
25: perceptual absorption circuit welding hole
A～X: loculus
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of PHS/WCDMA mixer, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Seeing also shown in Figure 1A and Figure 1B, is the assembling schematic diagram of the utility model PHS/WCDMA mixer.It is formed structure and comprises inner wire 1 (shown in Figure 4 in conjunction with consulting) joint mounting screw 4, N-KFD12 joint 5, nut 8, pad 9, capacitive absorption circuit 11, cavity 12, cover plate 13, cover plate mounting screw 14, frequency tuning screw 15, coupling tuning screw 16, inner wire mounting screw 17, polytetrafluoroethylene piece 18, perceptual absorption circuit 24 etc.
In the both sides of cavity 12 N-KFD12 joint 5 is installed.The inner wire of installing by inner wire mounting screw 17 1 is arranged in the bottom of cavity 12.Absorption circuit passes the through hole in the polytetrafluoroethylene piece shown in Figure 3, is installed in groove 19 places of adjacent chambers and the space that keeps absorption circuit and two inner wires 1 to have identical size by polytetrafluoroethylene piece 18 (in conjunction with consult shown in Fig. 3 A～Fig. 3 C).
Shown in Figure 1A and Figure 1B, blank area at cavity 12 has joint that screwed hole 22 is installed, and N-KFD12 joint 5 is a standarized component, can by joint the both sides that screwed hole 22 attaches it to cavity 12 be installed with joint mounting screw 4, the inner core of joint 5 and its inner wire that closes on most 1 usefulness scolding tin couple together by silver-coated copper wire 3.Wherein, on its public mouthful, adopt the branched structure shown in Figure 1A that the inner wire in its inner core and each chamber is linked to each other silver-coated copper wire 3, with scolding tin joint inner core directly is connected with inner wire at output.
Be equipped with the counterbore 23 of the sunk screw of can packing in the bottom of cavity 12, inner wire mounting screw 17 is connected on the threaded inner wire 1 in bottom by counterbore 23.Like this, after tightening inner wire mounting screw 17, inner wire 1 just can be securely fixed in cavity 12 inside, and can make cavity 12 bottoms keep smooth.
Absorption circuit has perception and two kinds of capacitives, adds perceptual absorption circuit between the B-E chamber, adding capacitive absorption circuit between F-L, M-Q, P-V chamber.Absorption circuit 11 shown in Figure 1A is the capacitive absorption circuit, and it is connected across in the groove 19 between the adjacent little cavity by polytetrafluoroethylene piece 18.For silver-coated copper wire, it passes the perceptual absorption circuit welding hole 25 on the cover plate 13 to perception absorption circuit 24 (shown in Figure 5 in conjunction with consulting), its part in cavity just in groove, when be tuned to behind the suitable position, be fixed on the cover plate 13 with scolding tin.Cover plate 13 usefulness cover plate mounting screws 14 are installed to the top of cavity 12, and tuning screw is deep into cavity 12 inside, and then can changes the electrical length of inner wire by behind the cover plate 13, form filtering after reaching resonance frequency.
Above cavity 12, there is the cover plate of cover plate mounting screw 14 that screwed hole 2 is installed, this screwed hole 2 is corresponding with the cover plate through hole 20 on the cover plate 13, with cover plate mounting screw 14 cover plate 13 is installed to the top of cavity 12 tightly, many cover plate mounting screws 14 can guarantee the compactness that cover plate 13 is connected with cavity 12.
Cover plate screwed hole 21 (shown in Figure 6 in conjunction with consulting) is arranged on cover plate 13, thereby frequency tuning screw 15 and coupling tuning screw 16 can be deep in the cavity 12 by cover plate screwed hole 21, frequency and coupling are adjusted, when be tuned to behind the suitable position, tuning screw is fixed on the top of cover plate 13 with nut 8.Between cover plate 13 and nut 8, pad 9 is arranged, make tuning screw 15 and 16 more firm.
During use, the utility model will be transferred survey by network analyzer.At first, network analyzer was carried out preheating about 30 minutes, with its correction.Then, the utility model is received network analyzer, finish the preparation of transferring before surveying.During debugging, at first frequency range should be fixed in 2 to 3 times the scope that requires bandwidth, make its centre frequency just for requiring the centre frequency of bandwidth.With the tuning nail of screwdriver regulating frequency, it is carried out coarse adjustment earlier, then replace regulating frequency tuning screw 15 and coupling tuning screw 16, make it to meet the requirements of technical indicator.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, foundation technical spirit of the present utility model is to above any simple modification that embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (5)
1, a kind of PHS/WCDMA mixer is characterized in that it comprises:
Cavity, it comprises a plurality of loculuses, realizes coupling by coupling aperture between each loculus;
An input port and two delivery outlets are arranged respectively in the both sides of cavity, be separately installed with the N-KFD12 joint, two above-mentioned delivery outlets are respectively PHS road and WCDMA road;
Cover plate is installed on the cavity by mounting screw;
Inner wire, this inner wire one end has screw thread, and the other end is a hollow-core construction, and this hollow-core construction makes the frequency tuning screw deeply wherein, and the inner wire mounting screw is connected on the inner wire by the counterbore on the cavity;
Absorption circuit is divided into two kinds of perceptual absorption circuit and capacitive absorption circuits, adds perceptual absorption circuit between the chamber at (B)-(E), adds the capacitive absorption circuit between the chamber at (F)-(L), (M)-(Q), (P)-(V);
Above-mentioned cover plate is provided with screwed hole, and frequency tuning screw and coupling tuning screw are deep in the cavity by screwed hole;
The frequency tuning screw is by adjusting the electrical length that distance between itself and the inner wire changes inner wire,
The coupling tuning screw can change the stiffness of coupling between the adjacent cavity.
2, PHS/WCDMA mixer according to claim 1 is characterized in that wherein said N-KFD12 joint installs in the screwed hole by the joint that the joint mounting screw is installed on the cavity.
3, PHS/WCDMA mixer according to claim 2 is characterized in that wherein said N-KFD12 joint inner core couples together by the inner wire in silver-coated copper wire and first chamber and last chamber, and the junction is fixed with scolding tin.
4, PHS/WCDMA mixer according to claim 1 is characterized in that wherein said capacitive absorption circuit is connected across in the groove between adjacent two chambeies by the polytetrafluoroethylene piece, can install nut at its two ends
5, PHS/WCDMA mixer according to claim 1 is characterized in that wherein said perceptual absorption circuit, and the aperture that is passed on the cover plate by silver-coated copper wire constitutes, and its part in cavity in groove, is fixed on the cover plate with scolding tin just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000209 CN2796134Y (en) | 2005-01-05 | 2005-01-05 | PHS/WCDMA circuit integrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000209 CN2796134Y (en) | 2005-01-05 | 2005-01-05 | PHS/WCDMA circuit integrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796134Y true CN2796134Y (en) | 2006-07-12 |
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ID=36813881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000209 Expired - Fee Related CN2796134Y (en) | 2005-01-05 | 2005-01-05 | PHS/WCDMA circuit integrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796134Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557025B (en) * | 2009-05-20 | 2012-07-18 | 南京赛格微电子科技有限公司 | Compact GSM/CDMA shared combiner for transceiving |
-
2005
- 2005-01-05 CN CN 200520000209 patent/CN2796134Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557025B (en) * | 2009-05-20 | 2012-07-18 | 南京赛格微电子科技有限公司 | Compact GSM/CDMA shared combiner for transceiving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 Termination date: 20110105 |