CN202979050U - Radio frequency system for double antenna mobile terminal - Google Patents
Radio frequency system for double antenna mobile terminal Download PDFInfo
- Publication number
- CN202979050U CN202979050U CN 201220632640 CN201220632640U CN202979050U CN 202979050 U CN202979050 U CN 202979050U CN 201220632640 CN201220632640 CN 201220632640 CN 201220632640 U CN201220632640 U CN 201220632640U CN 202979050 U CN202979050 U CN 202979050U
- Authority
- CN
- China
- Prior art keywords
- antenna unit
- frequency antenna
- mobile terminal
- low
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a radio frequency system for a mobile terminal, comprising a radio frequency circuit, a high frequency antenna unit, and a low frequency antenna unit, the radio frequency system is characterized in that, the high frequency antenna unit and the low frequency antenna unit are respectively provided with independent feed-in pins, and are correspondingly connected with a high frequency pathway and a low frequency pathway of the radio frequency circuit, the high frequency antenna unit and the low frequency antenna unit are dispersed at two ends of a mobile terminal mainboard; the radio frequency system also comprises a first tuning circuit, the low frequency antenna unit is provided with a switching pin, and the first tuning circuit is correspondingly connected with the switching pin of the low frequency antenna unit. The radio frequency system is advantageous in that, the tuning technology and an antenna frequency division technology are combined, antenna performance is further improved, and antenna design difficulty is further reduced.
Description
Technical field
The utility model relates to communication field, is specifically related to a kind of radio system of double antenna mobile terminal
Background technology
More and more miniaturization of mobile terminal, multifrequency have correspondingly proposed stern challenge to miniaturization, the multiplex (MUX) of antenna as frequency range.In order to improve the bandwidth of antenna, innovated tunable antenna, low-and high-frequency is separated antenna technology, but these two technology there is shortcoming separately.
General of common tunable antenna carries out tuning for low-frequency range, because tuning circuit is negative often on the impact of high band performance.Due to the existence of tuning branch road, can cause the form of antenna to be subject to certain limitation, the performance of high band is difficult to take into account.
And the two-antenna scheme that common low-and high-frequency is separated, although the debugging of energy extended high frequency bandwidth and antenna is fairly simple, the expansion low-frequency bandwidth, perhaps not high by the bandwidth efficiency that coupling is expanded very effectively.
Summary of the invention
The utility model proposes a kind of radio system of double antenna mobile terminal for the above-mentioned problem of mentioning, tunable technology is combined with the antenna frequency splitting technology, further promotes antenna performance and reduces the Antenna Design difficulty.
The utility model adopts following technical scheme to realize:
A kind of radio system of double antenna mobile terminal, comprise radio circuit, high frequency antenna unit and low-frequency antenna unit, it is characterized in that: described high frequency antenna unit, low-frequency antenna unit is respectively equipped with independently feed-in pin, corresponding be connected described high frequency antenna unit and low-frequency antenna unit scattered distribution with the high and low frequency path of radio circuit.Described radio system also includes the first tuning circuit, and its control end is connected with the processor of mobile terminal.Described low-frequency antenna unit is provided with the switching pin, the corresponding connection of switching pin of described the first tuning circuit and low-frequency antenna unit.
Described high frequency antenna unit is arranged in the lower end of Mobile terminal main board, and described low-frequency antenna cell layout is in the upper end of Mobile terminal main board, and vice versa.
In such scheme, the high and low frequency antenna element can split the two ends of Mobile terminal main board, can effectively alleviate the interference between high and low frequency range, is conducive to again to adjust the impact on antenna when conversation of user's hand and head.
Described the first tuning circuit is provided with a control signal input that is connected with CPU, and different control signals is carried out the circuit resistance or the appearance value changes or the path Push And Release according to loading, thereby realizes the tuning of antenna.
Further, described the first tuning circuit comprises a broadband single-pole double throw switch, and corresponding the first switch ways, the second switch path that connects, and the cutter end of throwing of described broadband single-pole double throw switch is electrically connected to the switching pin of low-frequency antenna single line.
Described the first switch ways is through inductance L 1 ground connection, and described second switch path is through inductance L 2 ground connection or direct ground connection.
As the further improvement of such scheme, described radio system also includes the second tune circuit, and described high frequency antenna unit is provided with the switching pin, the corresponding connection of switching pin of described second tune circuit and high frequency antenna unit.
Generally, high frequency antenna unit has enough bandwidth, but still can further improve its Pood's property frequently by increasing corresponding tuning circuit, realizes higher-quality communication and related application.
Description of drawings
Fig. 1 is radio system structural framing schematic diagram one.
Fig. 2 is the tuning circuit structural representation.
Fig. 3 is the antenna element schematic layout pattern.
Fig. 4 is radio system structural framing schematic diagram two.
Embodiment
By reference to the accompanying drawings following, embodiment of the present utility model is described:
As shown in Figure 1, the utility model comprises radio circuit 1, high frequency antenna unit 2, low-frequency antenna unit 3 and first tuning circuit 4 corresponding with the low-frequency antenna unit.Described high frequency antenna unit 2 is provided with independently feed-in pin 201, described low-frequency antenna unit 3 is provided with independently feed-in pin 301, corresponding be connected with the high and low frequency path of radio circuit 1, described low-frequency antenna unit also is provided with switching pin 302, with described the first corresponding connection of tuning circuit 4.
As shown in Figure 2, described the first tuning circuit is provided with a control signal input that is connected with CPU, and different control signals is carried out the circuit resistance or the appearance value changes or the path Push And Release according to loading, thereby realizes the tuning of antenna.
Further, described the first tuning circuit comprises a broadband single-pole double throw switch, and corresponding the first switch ways, the second switch path that connects, and the cutter end of throwing of described broadband single-pole double throw switch is electrically connected to the switching pin of low-frequency antenna single line.Described the first switch ways is through 3nH inductance L 1 ground connection, the direct ground connection of described second switch path.When being operated in the GSM850 frequency range, the broadband single-pole double throw switch switches to the first switch ways; When being operated in the GSM900 frequency range, the broadband single-pole double throw switch switches to the second switch path.
As shown in Figure 3, the Mobile terminal main board schematic layout pattern, the arrow direction is the mainboard upper end.Described high frequency antenna unit 2 is arranged in the lower end of the mainboard of mobile terminal, and described low-frequency antenna unit 3 is arranged in the upper end of the mainboard of mobile terminal; Vice versa, and high frequency antenna unit can be arranged the upper end of mainboard, and the low-frequency antenna unit can be arranged in the lower end of mainboard.
As shown in Figure 4, as another embodiment of the invention, described radio system also can be provided with second tune circuit 5, and described high frequency antenna unit 2 is provided with the switching pin, the corresponding connection of switching pin of described second tune circuit 5 and high frequency antenna unit.
Above-mentioned is better embodiment of the present utility model, but can not limit with this scope of this patent.The protection range that the equivalent transformation that all technical schemes with this patent duplicate, are similar to or done based on this, improvement all belong to this patent.
Claims (6)
1. the radio system of a double antenna mobile terminal, comprise radio circuit, high frequency antenna unit and low-frequency antenna unit, it is characterized in that: described high frequency antenna unit, low-frequency antenna unit is respectively equipped with independently feed-in pin, corresponding be connected with the high and low frequency path of radio circuit, described high frequency antenna unit and low-frequency antenna unit dispersed placement are in the two ends of Mobile terminal main board; Described radio system also includes the first tuning circuit, and described low-frequency antenna unit is provided with the switching pin, the corresponding connection of switching pin of described the first tuning circuit and low-frequency antenna unit.
2. the radio system of a kind of double antenna mobile terminal according to claim 1, it is characterized in that: described high frequency antenna unit is arranged in the lower end of Mobile terminal main board, and described low-frequency antenna cell layout is in the upper end of Mobile terminal main board, and vice versa.
3. the radio system of a kind of double antenna mobile terminal according to claim 2, it is characterized in that: described the first tuning circuit is provided with a control signal input that is connected with CPU, different control signals is carried out the circuit resistance or the appearance value changes or the path Push And Release according to loading, thereby realizes the tuning of antenna.
4. the radio system of a kind of double antenna mobile terminal according to claim 3, it is characterized in that: described the first tuning circuit comprises a broadband single-pole double throw switch, and corresponding the first switch ways, the second switch path that connects, the cutter end of throwing of described broadband single-pole double throw switch is electrically connected to the switching pin of low-frequency antenna single line.
5. the radio system of a kind of double antenna mobile terminal according to claim 4 is characterized in that: described the first switch ways is through inductance L 1 ground connection, and described second switch path is through inductance L 2 ground connection or direct ground connection.
6. the radio system of the described a kind of double antenna mobile terminal of according to claim 1 to 5 any one, it is characterized in that: also include the second tune circuit, described high frequency antenna unit is provided with the switching pin,
The corresponding connection of switching pin of described second tune circuit and high frequency antenna unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632640 CN202979050U (en) | 2012-11-26 | 2012-11-26 | Radio frequency system for double antenna mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632640 CN202979050U (en) | 2012-11-26 | 2012-11-26 | Radio frequency system for double antenna mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202979050U true CN202979050U (en) | 2013-06-05 |
Family
ID=48520066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632640 Expired - Lifetime CN202979050U (en) | 2012-11-26 | 2012-11-26 | Radio frequency system for double antenna mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202979050U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425892A (en) * | 2013-08-22 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Adjustable antenna device and wireless communication apparatus with same |
| CN106129627A (en) * | 2016-08-15 | 2016-11-16 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
| CN106446734A (en) * | 2013-11-27 | 2017-02-22 | 苏州木兰电子科技有限公司 | Radio frequency antenna activation source used for Internet of Things |
| CN107403999A (en) * | 2016-05-18 | 2017-11-28 | 中兴通讯股份有限公司 | A kind of tunable antenna |
-
2012
- 2012-11-26 CN CN 201220632640 patent/CN202979050U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425892A (en) * | 2013-08-22 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Adjustable antenna device and wireless communication apparatus with same |
| CN106446734A (en) * | 2013-11-27 | 2017-02-22 | 苏州木兰电子科技有限公司 | Radio frequency antenna activation source used for Internet of Things |
| CN106446734B (en) * | 2013-11-27 | 2019-04-23 | 苏州木兰电子科技有限公司 | Radio-frequency antenna activate source for Internet of Things |
| CN107403999A (en) * | 2016-05-18 | 2017-11-28 | 中兴通讯股份有限公司 | A kind of tunable antenna |
| CN106129627A (en) * | 2016-08-15 | 2016-11-16 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
| CN106129627B (en) * | 2016-08-15 | 2018-06-19 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709672B (en) | Multiband antenna | |
| CN104037502B (en) | Frequency-modulated antenna | |
| TWI665824B (en) | Electronic device and its multi-band antenna | |
| CN105720380B (en) | Adjustable multi-band antenna and antenna debugging method | |
| CN102280689A (en) | Re-configurable built-in antenna for portable terminal | |
| CN203399298U (en) | LTE multi-mode mobile terminal radio frequency system | |
| CN101807935B (en) | Mobile terminal with shared built-in aerial and method for sharing built-in aerial | |
| WO2014117738A1 (en) | Antenna apparatus and terminal device | |
| CN206293622U (en) | A kind of antenna with impedance matching circuit | |
| WO2014086163A1 (en) | Broadband mobile phone antenna with parasitic antenna and mobile phone thereof | |
| CN202585714U (en) | Tunable antenna and mobile terminal for assembling tunable antenna | |
| CN105322302B (en) | Antenna-matching circuit and its method | |
| CN110085994A (en) | A kind of adjustable antenna and terminal | |
| CN104505592B (en) | A kind of MIMO mobile terminal antennas with broadband character | |
| CN202979050U (en) | Radio frequency system for double antenna mobile terminal | |
| CN104466361A (en) | Mobile phone and antenna thereof | |
| CN202275941U (en) | Printed type antenna and mobile communication device | |
| CN103367874B (en) | Communicator | |
| CN201910796U (en) | Antenna switching device and mobile communication device with same | |
| JP2017523729A (en) | Antenna radiation sheet, antenna, and portable terminal | |
| CN108232407B (en) | LTE antenna based on comprehensive screen metal frame | |
| CN204180071U (en) | With the mobile phone of antenna for mobile phone that can accept FM signal | |
| CN204011720U (en) | A kind of antenna based on switched tuning | |
| CN203910955U (en) | Mobile phone and antenna thereof | |
| CN203521611U (en) | Coupled feeding multi-frequency antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ACCO ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BUBUGAO ELECTRONIC INDUSTRY CO LTD, GUANGDONG Effective date: 20131219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131219 Address after: 283 No. 523850 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee after: ACCO ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523850 Guangdong Province, Dongguan city Changan town usha management area Patentee before: Guangdong Bubugao Electronic Industry Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: VIVO MOBILE COMMUNICATION CO., LTD. Free format text: FORMER NAME: ACCO ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 283 No. 523850 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee after: VIVO MOBILE COMMUNICATION Co.,Ltd. Address before: 283 No. 523850 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee before: ACCO ELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |