CN202197271U - Integrated interface module of large-power amplification system - Google Patents
Integrated interface module of large-power amplification system Download PDFInfo
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- CN202197271U CN202197271U CN201120279572XU CN201120279572U CN202197271U CN 202197271 U CN202197271 U CN 202197271U CN 201120279572X U CN201120279572X U CN 201120279572XU CN 201120279572 U CN201120279572 U CN 201120279572U CN 202197271 U CN202197271 U CN 202197271U
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- duplexer
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- auxilliary
- interface module
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Abstract
The utility model discloses an integrated interface module of a large-power amplification system, which comprises the follow components integrated on the same one cavity and providing an external port on the cavity: a main duplexer, an auxiliary duplexer, a combiner, a slave duplexer and a filter, wherein the main duplexer used for separating a main radio frequency channel of a base station into a descending pathway and an ascending pathway; the auxiliary duplexer is used for separating an auxiliary radio frequency channel of the base station into a descending pathway and an ascending pathway; the combiner is used for combining and transmitting the signals of the descending pathway of the main duplexer and the auxiliary duplexer respectively; the slave duplexer realizes duplex transmission between signals of the ascending pathway of the main duplexer as well as signals of the descending pathway combined by the combiner and the main radio frequency channel; the filter is used for filtering and transmitting the ascending signals of the auxiliary radio frequency channel to the descending pathway of the auxiliary duplexer; and the external port is formed between the combiner and the slave duplexer and connected with an external power amplifier. The improvement on the circuit of the interface module can bring the improvement of a physical structure, so that standard design can be achieved, and power amplification effect can be ensured.
Description
[technical field]
The utility model relates to the access technology of high-power power amplification system in the communication base station, relates in particular to the integrated interface module of a kind of high-power power amplification system.
[background technology]
High-power amplification systems such as base station power amplifier need use duplex module the uplink and downlink signal of the main channel of base station and accessory channel separately, only downstream signal are amplified.Uplink and downlink to duplexer are isolated, and the downstream filter power capacity requires all quite high.
Parts such as the duplexer that many at present employings separate, filter, mixer, by-pass switch, detection module connect mutually through cable, with the circuit that utilizes these parts to form downstream signal are carried out power amplification.There is following deficiency in this mode:
At first, the cable connection causes the situation that signal interferes with each other between each parts comparatively serious;
Secondly, cable causes the excess power loss, reduces system effectiveness;
Once more, each unit interface is complicated, is unfavorable for unified management.
[utility model content]
The primary and foremost purpose of the utility model is to provide a kind of high-power power amplification system integrated interface module, forms standardized interface module through integrated a plurality of parts, overcomes above-mentioned deficiency.
Utility model is for realizing the purpose of the utility model, and the utility model adopts following technical scheme:
The integrated interface module of a kind of high-power power amplification system of the utility model; In the main radio-frequency channel and auxilliary radio-frequency channel of access base station; It comprises be integrated in same cavity and on this cavity, provide external-connected port like lower component: main duplexer is separated into downlink and uplink with main radio-frequency channel; Auxilliary duplexer will be assisted the radio-frequency channel and will be separated into downlink and uplink; Mixer transmits after the signal of main duplexer and auxilliary duplexer downlink separately closed the road; From duplexer, signal and the mixer of realizing the uplink of main duplexer closes the signal of the downlink behind the road and the duplex transmission between the main radio-frequency channel; Filter is transferred to the uplink of assisting duplexer after the upward signal filtering with auxilliary radio-frequency channel; Said mixer and from forming said external-connected port between the duplexer, to be connected with the power amplification device of outside.
Utility model compared with prior art the utlity model has following advantage:
1, the utility model integrates a plurality of duplexers, mixer, low noise amplifier, adjustable attenuator, fixed attenuator, by-pass switch etc. in same metallic cavity, when having realized high integration, guarantees complete function;
2, through highly integrated each device in same cavity, on cavity, draw a plurality of external-connected ports of being connected with said each device of inside cavity of being used for, unified interface standard, help standardized production and access;
3, avoid complicated cable to connect; Improved the reliability of different components in signals transmission; Further the downstream signal after separating is unified transmission through mixer; By circumferential work be rivals in a contest close the road after downstream signal amplify, can realize high power capacity, support the multi-carrier power amplifier design that power amplifier is effective;
4, because of carrying the bypass protection function and reserving reliability and the intelligent degree that the external-connected port that supplies monitoring has improved interface module greatly.
[description of drawings]
Fig. 1 is the circuit theory diagrams of the integrated interface module of the high-power power amplification system of the utility model;
Fig. 2 is the finished product stereogram of the integrated interface module of the high-power power amplification system of the utility model, and the position of each external-connected port on cavity is shown.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Concrete formation in the integrated interface module of high-power power amplification system of the utility model is consulted shown in Figure 1; Further disclosed a kind of cavity that is used to encapsulate all circuit devcies except that each external-connected port J1-J7, X1 of concrete formation shown in Figure 1 among Fig. 2; When each external-connected port describes in to Fig. 1, please consult the concrete physical structure of Fig. 2 simultaneously.
The utility model is to existing two radio-frequency channels in the base station; Promptly main radio-frequency channel (Fig. 1 top) and auxilliary radio-frequency channel (Fig. 1 below); The interface module of the utility model is provided; Insert in these two radio-frequency channels, each one road downstream signal of separating through 8 pairs of these two radio-frequency channels of mixer that this interface module provided closes the road, and then through the power amplification device (not shown) that is connected with a specific external-connected port J3 of the utility model interface module the downstream signal that this closes behind the road is carried out power amplification; Signal after will amplifying is again accomplished the Signal Processing flow process through among another external-connected port J4 feed-in master radio-frequency channel again.
The corresponding main radio-frequency channel of the interface module of the utility model is provided with main duplexer 1, the first adjustable attenuator ATT1, main low noise amplifier LNA1 and from duplexer 3; And a pair of by-pass switch K1, K3 and a direct-connected branch road P1 who is used to be communicated with these two by-pass switch K1, K3; So; When other device breaks down, can temporarily switch to the bypass that constitutes by these two by-pass switch K1, K3 and direct-connected branch road P1 and carry out the signal transmission to guarantee the operate as normal of main radio-frequency channel.
The corresponding auxilliary radio-frequency channel of the interface module of the utility model is provided with auxilliary duplexer 2, the second adjustable attenuator ATT2, filter 9; And two by-pass switch K2, K4 and direct-connected branch road P2 that are used to be communicated with these two by-pass switches; In like manner; When other device breaks down, can temporarily switch to the bypass that constitutes by these two by-pass switch K2, K4 and direct-connected branch road P2 and carry out the signal transmission to guarantee the operate as normal of auxilliary radio-frequency channel.
The interface module of the utility model, the processing corresponding to the downstream signal of main radio-frequency channel and auxilliary radio-frequency channel is provided with two fixed attenuator ATT4, ATT5, a mixer 8, one the 3rd adjustable attenuator ATT3 and a power detection meter Pin.
The common port of said main duplexer 1 connects an external-connected port J1; Thereby main duplexer 1 will be received and dispatched to separate and form downlink and uplink via the radiofrequency signal of external-connected port J1 transmission; Be respectively applied for transmission of downlink signal and upward signal, the said first adjustable attenuator ATT1 that its upward signal is connected from the receiving port with this main duplexer 1, the downstream signal then emission port of autonomous duplexer 1 are transferred to mixer 8 places through a described fixed attenuator ATT4.At the common port place of said external-connected port J1 and main duplexer 1, insert a said by-pass switch K1.
Said corresponding with said main duplexer 1 from duplexer 3; The one of which end is formed with an external-connected port J5, and this external-connected port J5 is connected with public port from duplexer 3, and this middle of connecting is provided with another described by-pass switch K3; Therefore; When fault took place, the connection of main radio-frequency channel realized via external-connected port J1, by-pass switch K1, direct-connected branch road P1, by-pass switch K3, external-connected port J5, and got around other device.
Being serially connected with from the device of the receiving port of the emission port of duplexer 3 and main duplexer 1 successively is said main low noise amplifier LNA1 and the said first adjustable attenuator ATT1, also just constitutes said uplink thus.Entering from the upward signal of duplexer 3 separated after; Be dispensed in this uplink; Undertaken after signal amplifies by main low noise amplifier LNA1; Decay at the first adjustable attenuator ATT1 is regulated under the gain controlling, becomes echo signal and is up in the main duplexer 1, is continued to be up to the base station along main radio-frequency channel through its public port by main duplexer 1 again.
In like manner; What said auxilliary duplexer 2 will be assisted the radio-frequency channel is separated into downlink and uplink; Its public port place forms an external-connected port J2; Its emission port is connected with mixer 8 downstream signal being sent to mixer 8 through a said fixed attenuator ATT5, and its receiving port receives the signal that uplink transmission comes.In addition, also insert a by-pass switch K2 at auxilliary duplexer 2 with external-connected port J2 place.
Said filter 9 is corresponding with said auxilliary duplexer 2; The connection of one of which end also forms external-connected port J6 to some extent; Insert another said by-pass switch K4 between this end and this external-connected port J6, be communicated with by chord road P2 always between separately by-pass switch K2 of auxilliary duplexer 2 and filter 9, the K4.In like manner, when fault took place, the connection of auxilliary radio-frequency channel realized via external-connected port J2, by-pass switch K2, direct-connected branch road P2, by-pass switch K4, external-connected port J6, and got around other device.
The device that is serially connected with successively between the receiving port of the other end and auxilliary duplexer 2 of filter 9 is auxilliary low noise amplifier LNA2 and the said second adjustable attenuator ATT2, and this link has constituted uplink.In this uplink; Upward signal gets into filter 9 by after the filtering from auxilliary radio-frequency channel; Further amplify through auxilliary low noise amplifier LNA2; And regulate under the gain controlling in the decay of adjustable attenuator ATT2, on be advanced into auxilliary duplexer 2, continued to be up to the base station through its public port by auxilliary duplexer 2 again along assisting radio-frequency channel.
By two downstream signals from the base station that main duplexer 1 and auxilliary duplexer 2 are separated in main radio-frequency channel and auxilliary radio-frequency channel respectively, as previously mentioned, the emission port from main duplexer 1 and auxilliary duplexer 2 gets into the mixer 8 respectively.Mixer 8 is able to these two downstream signals are closed the road; Then;, the decay of said the 3rd adjustable attenuator ATT3 carries out gain controlling output under regulating again; The signal of output gets into an outside power amplification device and carries out power amplification, and the signal after the amplification is transferred to described receiving port from duplexer 3 then and continues descending.This shows main duplexer 1 and the shared in fact same downlink of auxilliary duplexer 2.
As previously mentioned; At mixer 8 and from having inserted a power amplification device between the duplexer 3 downstream signal is carried out processing and amplifying,, open circuit at said the 3rd adjustable attenuator ATT3 and from designing between the duplexer 3 for the ease of connecting; The two ends of opening circuit can be respectively applied for and form external-connected port J3, J4; Two external-connected port J3, J4 show and are physical space two poroid sockets apart among Fig. 2 that obviously, power amplification device can be realized electrically connecting by two plugs and two external-connected port J3, J4.In a not shown embodiment, two external-connected port J3, J4 that two breakpoint places can this being opened circuit form be designed to a single external-connected port (not shown), and power amplification device then is attached thereto by plug only and connects.The flexible design of this external-connected port number is known by those skilled in the art, so do not give unnecessary details.
It is thus clear that; A plurality of external-connected port J1, J2, J3, J4, J5, J6 all can be designed to the sidewall that forms such as physical receptacle, screw are formed at a cavity; External devices and circuit only need can be realized the electric connection with this inside cavity circuit through the mode that the position, hole patches; Improve the integrated level of inside cavity device greatly, helped realizing the standardized production and the application of integrated cavity interface module.
Consider monitoring needs, between said mixer 8 and the 3rd adjustable attenuator ATT3, detect meter Pin and carry out power detection that this power detection result is the power before amplifying through one road signal ingoing power that is coupled to the power amplification process; Be used to carry out power detection through coupler from the signal of common port outgoing route coupling from duplexer 3, its testing result is the power after the amplification.Power after power before amplifying and the amplification can be used for carrying out various calculating in the supervisory control system, thereby realizes further monitoring adjusting according to this.
Same needs in order to monitor, said each adjustable attenuator ATT1, ATT2, ATT3, main low noise amplifier LNA1, auxilliary low noise amplifier LNA2, fixed attenuator ATT4, ATT5 all need go between out, and cavity is outside to be regulated so that realize monitoring.Therefore, in the preferred embodiment of the utility model, these need be carried out the unified external-connected port X1 of formation of the mutual device of pilot signal, they are electrically connected to same external-connected port X1, being connected with this external-connected port X1 by the outer monitoring system gets final product again.Wherein, because of the downstream signal of coupler after the cavity coupled outside is amplified, therefore, coupler be coupled to behind the signal through its formation another independently external-connected port J7 realize the electric connection with external devices (like supervisory control system).
In sum; The interface module of the utility model is through separating the main radio-frequency channel of base station and the signal of auxilliary radio-frequency channel; And the downstream signal after separating is closed the road handle; Finally utilize the outside power amplification device that is connected with this external-connected port to carry out power amplification, with the signal after amplifying feed-in master radio-frequency channel again through external-connected port J1J7, X1.Improvement on this circuit drives the improvement on the physical structure, makes that its product can standardized designs, and has guaranteed the power amplification effect.
Although the utility model only provides above embodiment; But; Those skilled in the art in conjunction with common practise, should be able to associate more embodiment after reading over this specification; But the spirit of the not unconventional the utility model claim of such embodiment any type ofly is equal to replacement or simple modification all should be regarded as by the included embodiment of the utility model.
Claims (12)
1. the integrated interface module of high-power power amplification system in the main radio-frequency channel and auxilliary radio-frequency channel of access base station, is characterized in that, it comprise be integrated in same cavity and on this cavity, provide external-connected port like lower component:
Main duplexer is separated into downlink and uplink with main radio-frequency channel;
Auxilliary duplexer will be assisted the radio-frequency channel and will be separated into downlink and uplink;
Mixer transmits after the signal of main duplexer and auxilliary duplexer downlink separately closed the road;
From duplexer, signal and the mixer of realizing the uplink of main duplexer closes the signal of the downlink behind the road and the duplex transmission between the main radio-frequency channel;
Filter is transferred to the uplink of assisting duplexer after the upward signal filtering with auxilliary radio-frequency channel;
Said mixer and from forming said external-connected port between the duplexer, to be connected with the power amplification device of outside.
2. the integrated interface module of high-power power amplification system according to claim 1 is characterized in that, said mixer and be two from formed external-connected port between the duplexer, and one of them is connected with mixer, and another then with from duplexer is connected.
3. the integrated interface module of high-power power amplification system according to claim 1; It is characterized in that said main duplexer, auxilliary duplexer, one or more from duplexer, filter form said external-connected port respectively to be connected with the corresponding radio-frequency channel of base station.
4. according to any integrated interface module of described high-power power amplification system in the claim 1 to 3; It is characterized in that; It further comprises coupler, the signal of being used to be coupled from transmitting between duplexer and main radio-frequency channel, and form said external-connected port of its coupling back signal of transmission.
5. according to any integrated interface module of described high-power power amplification system in the claim 1 to 3, it is characterized in that said main duplexer and be provided with main low noise amplifier from the uplink between the duplexer; Uplink between said auxilliary duplexer and the filter is provided with auxilliary low noise amplifier, and two low noise amplifiers are respectively applied for the signal that amplifies corresponding uplink.
6. the integrated interface module of high-power power amplification system according to claim 5; It is characterized in that; Between said main duplexer and the main low noise amplifier, between said auxilliary duplexer and the auxilliary low noise amplifier, said mixer and between the duplexer; They one of at least are provided with adjustable attenuator, are used to realize that the decay to signal regulates.
7. the integrated interface module of high-power power amplification system according to claim 6; It is characterized in that; Be provided with fixed attenuator between said main duplexer and the mixer and/or between auxilliary duplexer and the mixer, the decay that is used to realize to close the downlink signal before the road is regulated.
8. the integrated interface module of high-power power amplification system according to claim 7 is characterized in that it further is provided with the power detection meter, is used for mixer closed that the signal before the power amplifier carries out power detection behind the road.
9. the integrated interface module of high-power power amplification system according to claim 8; It is characterized in that; One of at least form said external-connected port in said power detection meter, adjustable attenuator, fixed attenuator, main low noise amplifier, the auxilliary low noise amplifier, to be connected with the outer monitoring system.
10. the integrated interface module of high-power power amplification system according to claim 9; It is characterized in that; Said power detection meter, adjustable attenuator, fixed attenuator, main low noise amplifier, the same said external-connected port of the common formation of auxilliary low noise amplifier are to be connected with the outer monitoring system.
11. according to any integrated interface module of described high-power power amplification system in the claim 1 to 3; It is characterized in that; Between said main duplexer and its set external-connected port, saidly between duplexer and its set external-connected port, be equipped with by-pass switch, these two by-pass switches have direct-connected branch road.
12. according to any integrated interface module of described high-power power amplification system in the claim 1 to 3; It is characterized in that; Between said auxilliary duplexer and its set external-connected port, be equipped with by-pass switch between said filter and its set external-connected port, these two by-pass switches have direct-connected branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120279572XU CN202197271U (en) | 2011-08-03 | 2011-08-03 | Integrated interface module of large-power amplification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120279572XU CN202197271U (en) | 2011-08-03 | 2011-08-03 | Integrated interface module of large-power amplification system |
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| CN202197271U true CN202197271U (en) | 2012-04-18 |
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| CN201120279572XU Expired - Fee Related CN202197271U (en) | 2011-08-03 | 2011-08-03 | Integrated interface module of large-power amplification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355277A (en) * | 2011-08-03 | 2012-02-15 | 京信通信系统（中国）有限公司 | Integrated interface module of high-power power amplifier system and signal processing method thereof |
| CN104767010A (en) * | 2015-04-03 | 2015-07-08 | 京信通信技术(广州)有限公司 | Integrated microwave communication device and antenna |
-
2011
- 2011-08-03 CN CN201120279572XU patent/CN202197271U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355277A (en) * | 2011-08-03 | 2012-02-15 | 京信通信系统（中国）有限公司 | Integrated interface module of high-power power amplifier system and signal processing method thereof |
| CN104767010A (en) * | 2015-04-03 | 2015-07-08 | 京信通信技术(广州)有限公司 | Integrated microwave communication device and antenna |
| CN104767010B (en) * | 2015-04-03 | 2019-01-22 | 京信通信技术(广州)有限公司 | Integrated microwave communication device and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20180803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |