CN204180071U - With the mobile phone of antenna for mobile phone that can accept FM signal - Google Patents
With the mobile phone of antenna for mobile phone that can accept FM signal Download PDFInfo
- Publication number
- CN204180071U CN204180071U CN201420512142.1U CN201420512142U CN204180071U CN 204180071 U CN204180071 U CN 204180071U CN 201420512142 U CN201420512142 U CN 201420512142U CN 204180071 U CN204180071 U CN 204180071U
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- mobile phone
- antenna
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- signal
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Abstract
The utility model discloses a kind of mobile phone of antenna for mobile phone with FM signal can be accepted, comprise mobile phone body; Also comprise the antenna for mobile phone be arranged in mobile phone body, the first split circuit, GSM communication chip, the second split circuit, low-noise amplifier and FM chip; Antenna for mobile phone is provided with signal feed and ground feedback point, signal feed and the first split circuit are electrically connected, and the first split circuit and GSM communication chip are electrically connected; Ground feedback is o'clock by the second split circuit ground connection; Ground feedback point is also electrically connected with low-noise amplifier, and low-noise amplifier and FM chip are electrically connected.Implement the technical solution of the utility model, when not inserting earphone, user also can listen to FM by putting outside this mobile phone, and it is more convenient to use, and the design of shared antenna also reduces the usage space of interior of mobile phone, while reducing cost, improve the FM function of mobile phone.
Description
Technical field
The utility model relates to field of mobile phones, especially relates to a kind of mobile phone of antenna for mobile phone with accepting FM signal.
Background technology
Need when traditional mobile phone will receive FM (FM receiver) signal to adopt earphone to make antenna, but the use of FM function is govern again to a great extent by the occupation mode that FM antenna made by earphone, especially the user of low and middle-end type lessly can carry earphone, and the use which results in the FM function on mobile phone has larger limitation.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of mobile phone of antenna for mobile phone with accepting FM signal.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of mobile phone of antenna for mobile phone with accepting FM signal, comprise mobile phone body; Also comprise the antenna for mobile phone be arranged in described mobile phone body, the first split circuit, GSM communication chip, the second split circuit, low-noise amplifier and FM chip;
Described antenna for mobile phone is provided with signal feed and ground feedback point, described signal feed and described first split circuit are electrically connected, and described first split circuit and described GSM communication chip are electrically connected;
Present a little by described second split circuit ground connection describedly; Present describedly and be a little also electrically connected with described low-noise amplifier, described low-noise amplifier and described FM chip are electrically connected.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described first split circuit comprises the first inductance in parallel and the first electric capacity; Described first inductance is connected described signal feed with the one end after described first Capacitance parallel connection, and described first inductance is connected described GSM communication chip with the other end after described first Capacitance parallel connection.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, be provided with the first match circuit between described first split circuit and described GSM communication chip.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described first match circuit comprises the first resistance, the second electric capacity and the 3rd electric capacity; One end of described first resistance connects described first split circuit, and the other end of described first resistance connects described GSM communication chip, and the two ends of described first resistance are respectively by described second electric capacity and the 3rd capacity earth.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described second split circuit comprises the second inductance in parallel and the 4th electric capacity; Described second inductance is connected with the one end after described 4th Capacitance parallel connection to be presented a little describedly, the other end ground connection after described second inductance and described 4th Capacitance parallel connection.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described low-noise amplifier is low noise amplifier, presents a little describedly and be provided with the second match circuit between described low noise amplifier.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described second match circuit comprises the 3rd inductance, the 4th inductance, the 5th inductance and the 5th electric capacity, described 3rd inductance, described 5th inductance and described 5th electric capacity are connected successively, and are connected to and present a little describedly between described low noise amplifier; One end of described 4th inductance connects the connection end point of described 3rd inductance and described 5th inductance, the other end ground connection of described 4th inductance.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, also comprise the mobile phone central processing element be arranged in described mobile phone body, described GSM communication chip and described low noise amplifier are all electrically connected with described mobile phone central processing element.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described antenna for mobile phone comprises 2G antenna, 2.5G antenna, 2.75G antenna, 3G antenna or 4G antenna.
Of the present utility model with accepting in the mobile phone of antenna for mobile phone of FM signal, described mobile phone body comprises metal bottom shell, and described antenna for mobile phone is attached to the medial surface of described metal bottom shell.
Implement the technical solution of the utility model, at least there is following beneficial effect: utilize the built-in aerial of mobile phone if GSM antenna is as built-in FM antenna, achieve the shared antenna design of GSM and FM, make when not inserting earphone, user also can listen to FM by putting outside this mobile phone, it is more convenient to use, and the design of shared antenna also reduces the usage space of interior of mobile phone, improves the FM function of mobile phone while reducing cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 be in an embodiment of the present utility model with the structured flowchart of mobile phone of antenna for mobile phone that can accept FM signal;
Fig. 2 is the circuit diagram of the module on the communication feedback point of the antenna for mobile phone connected in FIG;
Fig. 3 is the circuit diagram of the module on the ground feedback point of the antenna for mobile phone connected in FIG;
Wherein, 1, antenna for mobile phone; E1, signal feed; E2, present a little; 2, the first split circuit; 3, GSM communication chip; 4, the second split circuit; 5, low-noise amplifier; 6, FM chip; 7, the first match circuit; 8, the second match circuit; 9, mobile phone central processing element; L1, the first inductance; C1, the first electric capacity; R1, the first resistance; C2, the second electric capacity; C3, the 3rd electric capacity; L2, the second inductance; C4, the 4th electric capacity; L3, the 3rd inductance; L4, the 4th inductance; L5, the 5th inductance; C5, the 5th electric capacity; C6, the 6th electric capacity; U1, low noise amplifier.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 to Fig. 3 shows a kind of mobile phone of antenna for mobile phone with accepting FM signal in the utility model, this mobile phone is listened to FM does not need earphone cord as antenna, the function of putting outside FM can be realized, be convenient to broadcast receiver fan can by this portable mobile phone everywhere listen to FM.
In certain embodiments, consult Fig. 1, mobile phone body should be comprised with the mobile phone of the antenna for mobile phone that can accept FM signal, and be arranged on antenna for mobile phone 1, first split circuit 2, GSM communication chip 3, second split circuit 4, low-noise amplifier 5 and the FM chip 6 in mobile phone body.
Antenna for mobile phone 1 is provided with signal feed E1 to be electrically connected with ground feedback point E2, signal feed E1 and the first split circuit 2, the first split circuit 2 is electrically connected with GSM communication chip 3.Ground feedback point E2 is by the second split circuit 4 ground connection, and ground feedback point E2 is also electrically connected with low-noise amplifier 5, and low-noise amplifier 5 and FM chip 6 are electrically connected.
Wherein, this antenna for mobile phone 1 can be the antenna of all forms such as monopole antenna, PIFA (planar inverted-F antenna), loop aerial, and its technique can be iron plate, FPC (flexible printed circuit), pottery, PCB (printed circuit board) antenna, LDS (laser direct forming) etc.
The Main Function of this first split circuit 2 is to isolate GSM signal, the Main Function of the second split circuit 4 is to isolate FM signal, namely realized the isolation of GSM signal and FM signal by the first split circuit 2 and the second split circuit 4, ensure that two systems can not be disturbed mutually.The FM signal received, after low-noise amplifier 5 amplifies, finally arrives FM chip 6 and carries out demodulation.
In certain embodiments, the first split circuit 2 comprises the first inductance L 1 and the first electric capacity C1 in parallel; One end connection signal feedback point E1 after first inductance L 1 and the first electric capacity C1 parallel connection, the first inductance L 1 is connected GSM communication chip 3 with the other end after the first electric capacity C1 parallel connection.First inductance L 1 and the Main Function of the second electric capacity C2 are composition filter network thus realize being separated of GSM signal.
In certain embodiments, the first match circuit 7 can be provided with between the first split circuit 2 and GSM communication chip 3.The Main Function of the first match circuit 7 is to make the impedance of electric wire and the matches impedances of GSM signal.
Further, the first match circuit 7 comprises the first resistance R1, the second electric capacity C2 and the 3rd electric capacity C3; One end of first resistance R1 connects the two ends of other end connection GSM communication chip 3, the first resistance R1 of the first split circuit 2, first resistance R1 respectively by the second electric capacity C2 and the 3rd electric capacity C3 ground connection.
In certain embodiments, the second split circuit 4 comprises the second inductance L 2 in parallel and the 4th electric capacity C4; Second inductance L 2 presents some E2 with the one end after the 4th electric capacity C4 parallel connection with being connected, the other end ground connection after the second inductance L 2 and the 4th electric capacity C4 parallel connection.Second inductance L 2 and the Main Function of the second electric capacity C2 are composition filter network thus realize being separated of FM signal.Usually, the directly grounded words of ground feedback point E2, can cannot obtain FM signal, thus after being equipped with this second split circuit 4, FM signal just can be made to disappear.
In certain embodiments, low-noise amplifier 5 is low noise amplifier U1, and certain low-noise amplifier 5 can also be other common device or circuit, can be provided with the second match circuit 8 between ground feedback point E2 and low noise amplifier U1.
Further, the second match circuit 8 comprises the 3rd inductance L 3, the 4th inductance L 4, the 5th inductance L 5 and the 5th electric capacity C5, and the 3rd inductance L 3, the 5th inductance L 5 and the 5th electric capacity C5 connect successively, and present with being connected between an E2 and low noise amplifier U1; One end of 4th inductance L 4 connects the connection end point of the 3rd inductance L 3 and the 5th inductance L 5, the other end ground connection of the 4th inductance L 4.
In certain embodiments, also should comprise with mobile phone of the antenna for mobile phone that can accept FM signal and be arranged on mobile phone central processing element 9, GSM communication chip 3 in mobile phone body and low noise amplifier U1 is all electrically connected with mobile phone central processing element 9.A pin of low noise amplifier U1 is connected with mobile phone central processing element 9 by control line, can the closedown of control FM pattern by this control line, and such as, when high level, FM pattern is opened or FM pattern closedown etc. in low level situation.And another pin of low noise amplifier U1 is also connected with the 6th electric capacity C6, the 6th electric capacity C6 mainly uses as filter capacitor.
Further, antenna for mobile phone 1 is the mobile terminal communication antenna of all types such as 2G antenna, 2.5G antenna, 2.75G antenna, 3G antenna or 4G antenna.And this antenna for mobile phone 1 can be built-in GSM antenna or built-in GSM and FM integral antenna.
In certain embodiments, mobile phone body comprises metal bottom shell, and this antenna for mobile phone 1 is attached to the medial surface of described metal bottom shell.The Main Function of metal shell is that the signal that can make antenna for mobile phone 1 is better, and certainly, the set-up mode of this antenna for mobile phone 1 is varied, can adjust accordingly according to the specific design of mobile phone and arrange.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various change, combination and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (10)
1., with the mobile phone of antenna for mobile phone that can accept FM signal, comprise mobile phone body; It is characterized in that, also comprise the antenna for mobile phone (1) be arranged in described mobile phone body, the first split circuit (2), GSM communication chip (3), the second split circuit (4), low-noise amplifier (5) and FM chip (6);
Described antenna for mobile phone (1) is provided with signal feed (E1) and ground feedback point (E2), described signal feed (E1) and described first split circuit (2) are electrically connected, and described first split circuit (2) and described GSM communication chip (3) are electrically connected;
Present point (E2) by described second split circuit (4) ground connection describedly; Present point (E2) also with described low-noise amplifier (5) be electrically connected, described low-noise amplifier (5) and being electrically connected with described FM chip (6) describedly.
2. the mobile phone of antenna for mobile phone with accepting FM signal according to claim 1, is characterized in that, described first split circuit (2) comprises the first inductance (L1) in parallel and the first electric capacity (C1); Described first inductance (L1) is connected described signal feed (E1) with the one end after the parallel connection of described first electric capacity (C1), and described first inductance (L1) is connected described GSM communication chip (3) with the other end after the parallel connection of described first electric capacity (C1).
3. the mobile phone of antenna for mobile phone with accepting FM signal according to claim 1, is characterized in that, be provided with the first match circuit (7) between described first split circuit (2) and described GSM communication chip (3).
4. the mobile phone of antenna for mobile phone with FM signal can be accepted according to claim 3, it is characterized in that, described first match circuit (7) comprises the first resistance (R1), the second electric capacity (C2) and the 3rd electric capacity (C3); One end of described first resistance (R1) connects described first split circuit (2), the other end of described first resistance (R1) connects described GSM communication chip (3), and the two ends of described first resistance (R1) are respectively by described second electric capacity (C2) and the 3rd electric capacity (C3) ground connection.
5. the mobile phone of antenna for mobile phone with accepting FM signal according to claim 1, is characterized in that, described second split circuit (4) comprises the second inductance (L2) in parallel and the 4th electric capacity (C4); Described second inductance (L2) is connected with the one end after described 4th electric capacity (C4) parallel connection presents point (E2) describedly, the other end ground connection after described second inductance (L2) and described 4th electric capacity (C4) parallel connection.
6. the mobile phone of antenna for mobile phone with FM signal can be accepted according to claim 1, it is characterized in that, described low-noise amplifier (5) and be low noise amplifier (U1), presents between point (E2) and described low noise amplifier (U1) describedly and is provided with the second match circuit (8).
7. the mobile phone of antenna for mobile phone with FM signal can be accepted according to claim 6, it is characterized in that, described second match circuit (8) comprises the 3rd inductance (L3), the 4th inductance (L4), the 5th inductance (L5) and the 5th electric capacity (C5), described 3rd inductance (L3), described 5th inductance (L5) and described 5th electric capacity (C5) are connected successively, and are connected to and present between point (E2) and described low noise amplifier (U1) describedly; One end of described 4th inductance (L4) connects the connection end point of described 3rd inductance (L3) and described 5th inductance (L5), the other end ground connection of described 4th inductance (L4).
8. the mobile phone of antenna for mobile phone with FM signal can be accepted according to claim 1, it is characterized in that, also comprise the mobile phone central processing element (9) be arranged in described mobile phone body, described GSM communication chip (3) and described low noise amplifier (U1) are all electrically connected with described mobile phone central processing element (9).
9. the mobile phone of antenna for mobile phone with accepting FM signal according to claim 1, it is characterized in that, described antenna for mobile phone (1) comprises 2G antenna, 2. 5G antenna, 2. 75G antenna, 3G antenna or 4G antenna.
10. the mobile phone of antenna for mobile phone with accepting FM signal according to claim 1, it is characterized in that, described mobile phone body comprises metal bottom shell, and described antenna for mobile phone (1) is attached to the medial surface of described metal bottom shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512142.1U CN204180071U (en) | 2014-09-05 | 2014-09-05 | With the mobile phone of antenna for mobile phone that can accept FM signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512142.1U CN204180071U (en) | 2014-09-05 | 2014-09-05 | With the mobile phone of antenna for mobile phone that can accept FM signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204180071U true CN204180071U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420512142.1U Expired - Fee Related CN204180071U (en) | 2014-09-05 | 2014-09-05 | With the mobile phone of antenna for mobile phone that can accept FM signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204180071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137671A (en) * | 2018-02-09 | 2019-08-16 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN110289880A (en) * | 2019-05-10 | 2019-09-27 | 华为技术有限公司 | Signal diostribution device and electronic equipment |
| CN110324101A (en) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | A kind of circuit, method and electronic equipment playing FM broadcast program |
| CN110519425A (en) * | 2019-08-20 | 2019-11-29 | 华勤通讯技术有限公司 | A kind of antenna assembly of terminal device |
-
2014
- 2014-09-05 CN CN201420512142.1U patent/CN204180071U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137671A (en) * | 2018-02-09 | 2019-08-16 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN110137671B (en) * | 2018-02-09 | 2020-11-24 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN110324101A (en) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | A kind of circuit, method and electronic equipment playing FM broadcast program |
| CN110289880A (en) * | 2019-05-10 | 2019-09-27 | 华为技术有限公司 | Signal diostribution device and electronic equipment |
| CN110519425A (en) * | 2019-08-20 | 2019-11-29 | 华勤通讯技术有限公司 | A kind of antenna assembly of terminal device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160218 Address after: 224000, building 7, intelligent terminal Industrial Park, salt Dragon Street office, Yancheng City, Jiangsu province (D) Patentee after: Jiangsu Yangke Technology Co., Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518100 Longgang Street Community Baolong Baolong Industrial Zone Baolong three road four, fourth floor office building Patentee before: SHENZHEN XINGGONGCHANG TECHNOLOGY CO., LTD. |
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| 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: 20150225 Termination date: 20180905 |