CN204206114U - A kind of multimode amplifying device and radio frequency thereof amplify link - Google Patents
A kind of multimode amplifying device and radio frequency thereof amplify link Download PDFInfo
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- CN204206114U CN204206114U CN201420415674.3U CN201420415674U CN204206114U CN 204206114 U CN204206114 U CN 204206114U CN 201420415674 U CN201420415674 U CN 201420415674U CN 204206114 U CN204206114 U CN 204206114U
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Abstract
The utility model provides a kind of radio frequency to amplify link, the isochronous controller comprising the first multiplefrequency mixer, the second multiplefrequency mixer, amplifier, radio-frequency (RF) switch group and be connected with radio-frequency (RF) switch; The described common port of the first multiplefrequency mixer, under the first connection status, is connected with the input of amplifier by described radio-frequency (RF) switch group, and is connected by the common port of the output of described amplifier with described second multiplefrequency mixer, thus forms descending amplification link; The described common port of the second multiplefrequency mixer, under the second connection status, is connected with the input of amplifier by described radio-frequency (RF) switch group, and is connected by the common port of the output of described amplifier with described first multiplefrequency mixer, thus forms up amplification link.Implement the utility model, can obtain a kind ofly the multimode amplifying device of 2G, 3G, 4G network and radio frequency thereof can being amplified link.
Description
[technical field]
The utility model relates to wireless communication technology, particularly relates to a kind of multimode amplifying device in the covering system of LTE networking and radio frequency amplification link thereof.
[background technology]
Current present mobile communication technology develops into 4G gradually by 2G, 3G, the TD-LTE standard of one of the international standard that communicates as 4G, its industry alliance and application are just at development, the networking products of present TD-LTE are in the scale networking stage, 2G, 3G and 4G coexist, need various Indoor Coverage Solution, there is more quorum sensing inhibitor blind area at present, need a kind of equipment and the network optimization is carried out to signal blind zone.Under existing network transformation condition, a kind of method is the overlay device increasing 4G, and close road networking with 2G and 3G system, another kind is the equipment networking with integrated 2G a to 4G.Integrated scheme is not also had at present at the equipment of net, and existing solution is complicated, cost is high, and power consumption is large, therefore need the amplifier of a kind of energy integrated 2G, 3G, 4G badly, and a kind of implementation is simple, integrated level is high, reliability is high solution and equipment are provided.
[utility model content]
The utility model provides a kind of the multimode amplifying device of integrated 2G, 3G, 4G network and radio frequency thereof can amplify link.The utility model first aspect provides a kind of radio frequency to amplify link, the isochronous controller comprising the first multiplefrequency mixer, the second multiplefrequency mixer, amplifier, radio-frequency (RF) switch group and be connected with radio-frequency (RF) switch; The described common port of the first multiplefrequency mixer, under the first connection status, is connected with the input of amplifier by described radio-frequency (RF) switch group, and is connected by the common port of the output of described amplifier with described second multiplefrequency mixer, thus forms descending amplification link; The described common port of the second multiplefrequency mixer, under the second connection status, is connected with the input of amplifier by described radio-frequency (RF) switch group, and is connected by the common port of the output of described amplifier with described first multiplefrequency mixer, thus forms up amplification link.
As a kind of preferred version, described radio-frequency (RF) switch group comprises the first radio-frequency (RF) switch, the second radio-frequency (RF) switch, the 3rd radio-frequency (RF) switch and the 4th radio-frequency (RF) switch; Under described first connection status, the described common port of the first multiplefrequency mixer is connected with the input of amplifier with the second radio-frequency (RF) switch series connection by described first radio-frequency (RF) switch, and the common port of the output of described amplifier with described second multiplefrequency mixer is connected with the 4th radio-frequency (RF) switch series connection by described 3rd radio-frequency (RF) switch; Under described second connection status, the described common port of the second multiplefrequency mixer is connected with the input of amplifier with the second radio-frequency (RF) switch series connection by described 4th radio-frequency (RF) switch, and the common port of the output of described amplifier with described first multiplefrequency mixer is connected with the first radio-frequency (RF) switch series connection by described 3rd radio-frequency (RF) switch.
As a kind of preferred version, described first radio-frequency (RF) switch comprises the first common port, the first up contact and the first descending contact, described second radio-frequency (RF) switch comprises the second common port, the second up contact and the second descending contact, described 3rd radio-frequency (RF) switch comprises the 3rd common port, the 3rd up contact and the 3rd descending contact, and described 4th radio-frequency (RF) switch comprises the 4th common port, the 4th up contact and the 4th descending contact; Described first common port is connected to the common port of the first multiplefrequency mixer, and be selectablely connected to the first up contact or the first descending contact, described first descending contact is connected to described second descending contact, and described first up contact is connected to described 3rd up contact; Described second common port is connected to the input of described amplifier, and is selectablely connected to the second up contact or the second descending contact, and described second up contact is connected to described 4th up contact; Described 3rd common port connects the output of described amplifier, and described 3rd common port is selectively connected to described 3rd up contact or the 3rd descending contact, and described 3rd descending contact connects described 4th descending contact; Described 4th common port is connected to the common port of described second multiplefrequency mixer, and described 4th common port is selectively connected to described 4th up contact or the 4th descending contact.
As a kind of preferred version, described isochronous controller comprises clock circuit and control circuit; Described clock circuit forms high level alternately and low level respectively according to preset duration, and described control circuit exports radio-frequency (RF) switch group described in Synchronization Control level triggers and switches between described first connection status, the second connection status.
As a kind of preferred version, described first radio-frequency (RF) switch, the second radio-frequency (RF) switch, the 3rd radio-frequency (RF) switch and the 4th radio-frequency (RF) switch be one of at least single-pole double throw RF switch.
As a kind of preferred version, described first radio-frequency (RF) switch, the second radio-frequency (RF) switch, the 3rd radio-frequency (RF) switch and the 4th radio-frequency (RF) switch be one of at least dpdt double-pole double-throw (DPDT) radio-frequency (RF) switch.
As a kind of preferred version, described first multiplefrequency mixer and the second multiplefrequency mixer all have TD-LTE passage.
As a kind of preferred version, described first multiplefrequency mixer and the second multiplefrequency mixer all have TD-SCDMA passage.
Second aspect of the present utility model provides a kind of multimode amplifying device, and the radio frequency had as above described in any one scheme amplifies link.
As a kind of preferred version, multimode amplifying device comprises GSM up link, GSM down link, TD-LTE link and TD-SCDMA link, described TD-LTE link and TD-SCDMA link share same isochronous controller, and described isochronous controller has at least two kinds of control output end mouths and is connected respectively to described TD-LTE link and TD-SCDMA link.
Implement the utility model, can obtain a kind ofly the multimode amplifying device of 2G, 3G, 4G network and radio frequency thereof can being amplified link.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the multimode amplifying device that the utility model provides;
Fig. 2 is the structural representation of the radio frequency amplification link of the amplifying device of multimode shown in Fig. 1 application.
[embodiment]
With reference to figure 1, a kind of multimode amplifying device that the utility model provides, comprises the GSM up link, GSM down link, TD-LTE link and the TD-SCDMA link that are integrated in same pcb board.GSM up link comprises multiplefrequency mixer 106, GSM upstream amplifier 102, multiplefrequency mixer 101; GSM down link comprises multiplefrequency mixer 101, GSM downstream amplifier 103, multiplefrequency mixer 106; TD-SCDMA link comprises multiplefrequency mixer 106, TD-SCDMA amplifier 104, multiplefrequency mixer 101; TD-LTE link comprises multiplefrequency mixer 106, TD-LTE amplifier 105, multiplefrequency mixer 101, the signal of TD-LTE tri-kinds of standards of TD-SCDMA, 4G of GSM, 3G of 2G passes through multiplefrequency mixer 106 along separate routes when up, through the amplification of amplifier, be transferred to multiplefrequency mixer 101 and close road; When descending by multiplefrequency mixer 101 along separate routes, through the amplification of amplifier, be transferred to multiplefrequency mixer 106 and close road.TD-LTE link and TD-SCDMA link share same isochronous controller, and described isochronous controller has at least two kinds of control output end mouths and is connected respectively to described TD-LTE link and TD-SCDMA link.This device is by being integrated into an amplifying device by the standard of 2G, 3G, 4G, by shielding cavity physical isolation between each link, the space radiation of the inner each standard signal of anti-locking apparatus and interference, area and the volume of pcb board are little, noise factor is low, and power loss is less.
With reference to figure 2, the utility model also provides a kind of radio frequency to amplify link, and the vibrational power flow that the TD-SCDMA link shown in Fig. 1 and TD-LTE link all apply this radio frequency amplification link forms.This radio frequency amplifies link, comprises isochronous controller, the first multiplefrequency mixer 101, second multiplefrequency mixer 106, amplifier 205, is connected to the radio-frequency (RF) switch group of isochronous controller 206.Described radio-frequency (RF) switch group is under the first connection status, the common port of the first multiplefrequency mixer 101 is connected with the input of amplifier 205 by the first radio-frequency (RF) switch 201, second radio-frequency (RF) switch 202, and the output of amplifier 205 is connected with the common port of the second multiplefrequency mixer 106 by the 3rd radio-frequency (RF) switch 203, the 4th radio-frequency (RF) switch 204, thus is formed descending amplification link; Described radio-frequency (RF) switch group is under the second connection status, the common port of the second multiplefrequency mixer 106 is connected with the input of amplifier 205 by the 4th radio-frequency (RF) switch 204, second radio-frequency (RF) switch 202, and be connected with the common port of the first multiplefrequency mixer 101 by the 3rd radio-frequency (RF) switch 203, first radio-frequency (RF) switch 201 by the output of amplifier 205, thus form up amplification link.Radio-frequency (RF) switch group comprises the first radio-frequency (RF) switch 201, second radio-frequency (RF) switch 202, the 3rd radio-frequency (RF) switch 203 and the 4th radio-frequency (RF) switch 204.Preferably, be single-pole double throw RF switch or dpdt double-pole double-throw (DPDT) radio-frequency (RF) switch in the first radio-frequency (RF) switch 201, second radio-frequency (RF) switch 202, the 3rd radio-frequency (RF) switch 203 and the 4th radio-frequency (RF) switch 204, or the switch of the other types of the similar switching function of energy.
Under the first connection status, first radio-frequency (RF) switch 201 and the second radio-frequency (RF) switch 202 are connected and to be connected with the input of amplifier 205 by the common port of the first multiplefrequency mixer 101, and the 3rd radio-frequency (RF) switch 203 and the 4th radio-frequency (RF) switch 204 are connected and to be connected by the common port of the output of amplifier 205 with the second multiplefrequency mixer; Under the second connection status, 4th radio-frequency (RF) switch 204 and the second radio-frequency (RF) switch 202 are connected and to be connected with the input of amplifier 205 by the common port of the second multiplefrequency mixer 106, and the 3rd radio-frequency (RF) switch 203 and the first radio-frequency (RF) switch 201 are connected and to be connected by the common port of the output of amplifier 205 with multiplefrequency mixer 101.
First radio-frequency (RF) switch 201 comprises the first common port 201a, the first up contact 201b and the first descending contact 201c, second radio-frequency (RF) switch 202 comprises the second common port 202a, the second up contact 202b and the second descending contact 202c, 3rd radio-frequency (RF) switch 203 comprises the 3rd common port 203a, the 3rd up contact 203b and the 3rd descending contact 203c, and the 4th radio-frequency (RF) switch 204 comprises the 4th common port 204a, the 4th up contact 204b and the 4th descending contact 204c;
First common port 201a is selectable is connected to the first up contact 201b or the first descending contact 201c, and the first up contact 201b is connected to the 3rd up contact 203b, and the first descending contact 201c is connected to the second descending contact 202c; Second common port 202a is selectable is connected to the second up contact 202b or the second descending contact 202c, and the second up contact 202b is connected to the 4th up contact 204b; Second common port 202a connects the input of amplifier 205, and the 3rd common port 203a connects the output of amplifier 205; 3rd descending contact 203c connects the 4th descending contact 204c; 4th common port 204a is connected to the common port of the second multiplefrequency mixer 106; 3rd common port 203a is selectively connected to the 3rd up contact 203b or the 3rd descending contact 203c, the 4th common port 204a are selectively connected to the 4th up contact 204b or the 4th descending contact 204c.
When the first common port 201a is connected to the first descending contact 201c, and the second common port 202a is connected to the second descending contact 202c, and the 3rd common port 203a is connected to the 3rd descending contact 203c, and the 4th common port 204a is when being connected to the 4th descending contact 204c, the first multiplefrequency mixer 101, first radio-frequency (RF) switch 201, second radio-frequency (RF) switch 202, amplifier 205, the 3rd radio-frequency (RF) switch 203, the 4th radio-frequency (RF) switch 204 and the second multiplefrequency mixer 106 form down link.
When the first common port 201a is connected to the first up contact 201b, and the second common port 202a is connected to the second up contact 202b, and the 3rd common port 203a is connected to the 3rd up contact 203b, and the 4th common port 204a is when being connected to the 4th up contact 204b, the second multiplefrequency mixer 106, the 4th radio-frequency (RF) switch 204, second radio-frequency (RF) switch 202, amplifier 205, the 3rd radio-frequency (RF) switch, the first radio-frequency (RF) switch and the first multiplefrequency mixer form up link.
Isochronous controller comprises clock circuit and control circuit;
Downlink mode is connected to described first descending contact 201c for ought meet described first common port 201a simultaneously, and described second common port 202a is connected to described second descending contact 202c, and described 3rd common port 203a is connected to described 3rd descending contact 203c, and described 4th common port 204a is connected to the situation of described 4th descending contact 204c;
Upper row mode is connected to described first up contact 201b for ought meet described first common port 201a simultaneously, and described second common port 202a is connected to described second up contact 202b, and described 3rd common port 203b is connected to described 3rd up contact 203b, and described 4th common port 204a is connected to the situation of described 4th up contact 204b;
Amplifier 205 is out-of-work state in the incipient stage, by isochronous controller is connected to amplifier 205, makes amplifier 205 start power supply for sending instruction.Described clock circuit forms high level alternately and low level respectively according to preset duration, described control circuit exports the switching of row mode and downlink mode in Synchronization Control level triggers, namely when high level becomes low level, uplink/downlink pattern is switched to lower/upper row mode, when low level becomes high level, lower/upper row mode is switched to uplink/downlink pattern.Isochronous controller 206 is coupled from multiplefrequency mixer 101 and detects downstream signal, according to signal frame time slot feature after demodulation, exports corresponding first switching point and the second switching point synchronization slot control level.By switching upper row mode and downlink mode frequently to reach the object of Continued communication, in fact, this switching frequency is very high, generally at least can reach more than 200Hz.
The total link gain of the multimode amplifying device that the utility model provides is 70dB, wherein radio-frequency (RF) switch isolation is greater than 50dB, two radio-frequency (RF) switch isolations of isolation link are 100dB, exceed link gain 30dB, can ensure system stability work, the designing requirement of general minimum isolation is that isolation is greater than 20dB than gain.Radio-frequency (RF) switch can be the combination of multiple radio-frequency (RF) switch herein, also can be discrete radio-frequency (RF) switch, number of switches is to meet synchronous sequence control overflow and insulated degree requirement for design premises, quantity is more few better, such link Insertion Loss is optimum, can reduce system noise factor and reduce power output loss.By making the up-downgoing of time-division system share a radio frequency link, decreasing component number, having saved cost, improve system reliability.
For the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a radio frequency amplifies link, it is characterized in that, the isochronous controller (206) comprising the first multiplefrequency mixer (101), the second multiplefrequency mixer (106), amplifier (205), radio-frequency (RF) switch group and be connected with radio-frequency (RF) switch; Described radio-frequency (RF) switch group is under the first connection status, the common port of described first multiplefrequency mixer (101) is connected with the input of amplifier (205), and be connected by the common port of the output of described amplifier (205) with described second multiplefrequency mixer (106), thus form descending amplification link; Described radio-frequency (RF) switch group is under the second connection status, the common port of described second multiplefrequency mixer (106) is connected with the input of amplifier, and be connected by the common port of the output of described amplifier with described first multiplefrequency mixer (101), thus form up amplification link.
2. radio frequency according to claim 1 amplifies link, it is characterized in that, described radio-frequency (RF) switch group comprises the first radio-frequency (RF) switch (201), the second radio-frequency (RF) switch (202), the 3rd radio-frequency (RF) switch (203) and the 4th radio-frequency (RF) switch (204);
Under described first connection status, the common port of described first multiplefrequency mixer (101) is connected with the input of amplifier (205) with the second radio-frequency (RF) switch (202) series connection by described first radio-frequency (RF) switch (201), and the common port of the output of described amplifier (205) with described second multiplefrequency mixer (106) is connected with the 4th radio-frequency (RF) switch (204) series connection by described 3rd radio-frequency (RF) switch (203);
Under described second connection status, the common port of described second multiplefrequency mixer (106) is connected with the input of amplifier (205) with the second radio-frequency (RF) switch (202) series connection by described 4th radio-frequency (RF) switch (204), and the common port of the output of described amplifier (205) with described first multiplefrequency mixer (101) is connected with the first radio-frequency (RF) switch (201) series connection by described 3rd radio-frequency (RF) switch (203).
3. radio frequency according to claim 2 amplifies link, it is characterized in that, described first radio-frequency (RF) switch (201) comprises the first common port, the first up contact and the first descending contact, described second radio-frequency (RF) switch (202) comprises the second common port, the second up contact and the second descending contact, described 3rd radio-frequency (RF) switch (203) comprises the 3rd common port, the 3rd up contact and the 3rd descending contact, and described 4th radio-frequency (RF) switch (204) comprises the 4th common port, the 4th up contact and the 4th descending contact;
Described first common port is connected to the common port of the first multiplefrequency mixer (101), and be selectablely connected to the first up contact or the first descending contact, described first descending contact is connected to described second descending contact, and described first up contact is connected to described 3rd up contact; Described second common port is connected to the input of described amplifier, and is selectablely connected to the second up contact or the second descending contact, and described second up contact is connected to described 4th up contact; Described 3rd common port connects the output of described amplifier (204), and described 3rd common port is selectively connected to described 3rd up contact or the 3rd descending contact, and described 3rd descending contact connects described 4th descending contact; Described 4th common port is connected to the common port of described second multiplefrequency mixer, and described 4th common port is selectively connected to described 4th up contact or the 4th descending contact.
4. radio frequency as claimed in claim 1 amplifies link, and it is characterized in that, described isochronous controller comprises clock circuit and control circuit;
Described clock circuit forms high level alternately and low level respectively according to preset duration, and described control circuit exports radio-frequency (RF) switch group described in Synchronization Control level triggers and switches between described first connection status, the second connection status.
5. radio frequency as claimed in claim 2 amplifies link, it is characterized in that, described first radio-frequency (RF) switch, the second radio-frequency (RF) switch, the 3rd radio-frequency (RF) switch and the 4th radio-frequency (RF) switch be one of at least single-pole double throw RF switch.
6. radio frequency as claimed in claim 2 amplifies link, it is characterized in that, described first radio-frequency (RF) switch, the second radio-frequency (RF) switch, the 3rd radio-frequency (RF) switch and the 4th radio-frequency (RF) switch be one of at least dpdt double-pole double-throw (DPDT) radio-frequency (RF) switch.
7. the radio frequency as described in claim 1-6 any one amplifies link, and it is characterized in that, described first multiplefrequency mixer and the second multiplefrequency mixer all have TD-LTE passage.
8. the radio frequency as described in claim 1-6 any one amplifies link, and it is characterized in that, described first multiplefrequency mixer and the second multiplefrequency mixer all have TD-SCDMA passage.
9. a multimode amplifying device, is characterized in that, has as the radio frequency in claim 1 to 6 as described in any one amplifies link.
10. multimode amplifying device according to claim 9, it is characterized in that, comprise GSM up link, GSM down link, TD-LTE link and TD-SCDMA link, described TD-LTE link and TD-SCDMA link share same isochronous controller, and described isochronous controller has at least two kinds of control output end mouths and is connected respectively to described TD-LTE link and TD-SCDMA link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415674.3U CN204206114U (en) | 2014-07-25 | 2014-07-25 | A kind of multimode amplifying device and radio frequency thereof amplify link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415674.3U CN204206114U (en) | 2014-07-25 | 2014-07-25 | A kind of multimode amplifying device and radio frequency thereof amplify link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206114U true CN204206114U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415674.3U Expired - Fee Related CN204206114U (en) | 2014-07-25 | 2014-07-25 | A kind of multimode amplifying device and radio frequency thereof amplify link |
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| CN (1) | CN204206114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578854A (en) * | 2015-12-16 | 2016-05-11 | 中国电子科技集团公司第四十一研究所 | High isolation switch module |
| CN107786256A (en) * | 2017-11-23 | 2018-03-09 | 深圳国人通信股份有限公司 | Telecommunications bimodulus indoor coverage equipment |
-
2014
- 2014-07-25 CN CN201420415674.3U patent/CN204206114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578854A (en) * | 2015-12-16 | 2016-05-11 | 中国电子科技集团公司第四十一研究所 | High isolation switch module |
| CN107786256A (en) * | 2017-11-23 | 2018-03-09 | 深圳国人通信股份有限公司 | Telecommunications bimodulus indoor coverage equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20210725 |