CN210899166U - Radio frequency control circuit and electronic equipment - Google Patents
Radio frequency control circuit and electronic equipment Download PDFInfo
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- CN210899166U CN210899166U CN201921773254.1U CN201921773254U CN210899166U CN 210899166 U CN210899166 U CN 210899166U CN 201921773254 U CN201921773254 U CN 201921773254U CN 210899166 U CN210899166 U CN 210899166U
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Abstract
The utility model provides a radio frequency control circuit and electronic equipment, radio frequency control circuit specifically includes: the antenna comprises a plurality of signal paths, a switching module, a first switch and a plurality of antennas; wherein the plurality of signal paths includes at least one first signal path and at least one second signal path; the first signal path is provided with the first switch, and the first switch is connected with at least one antenna; the switching module is respectively connected with the second signal path and the plurality of antennas. The embodiment of the utility model provides a can reduce insertion loss on the first signal path, and then, can improve electronic equipment's communication quality.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a radio frequency control circuit and electronic equipment.
Background
With the development of communication technology, the communication demand of users for electronic devices is higher and higher. A fifth generation mobile communication network (5G) electronic device has a very high data transmission rate and a very low time delay, and thus can meet the needs of various application scenarios, and is receiving wide attention of users.
Since the operating frequency of the antenna of the 5G electronic device is high, the signal radiation distance and the radiation sector of the antenna are greatly reduced, and in order to improve the communication quality, a Multiple-input Multiple-Output (MIMO) technology is generally required to be adopted in the 5G electronic device to improve the communication quality, that is, a plurality of transmitting antennas and receiving antennas are respectively used at a transmitting end and a receiving end, so that signals are transmitted and received through the plurality of antennas at the transmitting end and the receiving end. Specifically, in the radio frequency control circuit at the front end of the 5G electronic device, a plurality of antennas and a plurality of antenna paths may be provided, and an antenna switching module may be provided between the plurality of antennas and the transceiver, and a plurality of switches may be provided in the antenna switching module to control on/off switching of the antenna paths through the plurality of switches. In practical applications, in order to meet the requirements of the 5G technology, there are usually more antenna paths in the rf control circuit, and accordingly, the structure of the antenna switching module is also complicated.
However, when the structure of the antenna switching module is complicated, the number of switches connected to the antenna path is large, which may easily increase the insertion loss of the antenna path and further reduce the communication quality of the electronic device.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art, the relatively poor problem of communication quality that leads to electronic equipment is great to antenna path's insertion loss, the utility model provides a radio frequency control circuit and electronic equipment.
In order to solve the above problem, on the one hand, the utility model discloses a radio frequency control circuit, include: the antenna comprises a plurality of signal paths, a switching module, a first switch and a plurality of antennas; wherein the content of the first and second substances,
the plurality of signal paths includes at least one first signal path and at least one second signal path;
the first signal path is provided with the first switch, and the first switch is connected with at least one antenna;
the switching module is respectively connected with the second signal path and the plurality of antennas.
In a second aspect, the present invention also discloses an electronic device, including: the radio frequency control circuit.
The utility model discloses a following advantage:
in an embodiment of the present invention, the plurality of signal paths may include at least one first signal path and at least one second signal path; the first signal path is provided with the first switch, and the first switch is connected with at least one antenna; the switching module is respectively connected with the second signal path and the plurality of antennas. In practical application, when the first signal path is required to be used for signal transmission, the antenna can be directly conducted through the first switch, and the number of switches connected to the first signal path is small, so that the insertion loss of the first signal path can be reduced, and the communication quality of the electronic equipment can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency control circuit according to the present invention;
fig. 2 is a schematic structural diagram of another rf control circuit according to the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The embodiment of the utility model provides a radio frequency control circuit, radio frequency control circuit can be arranged in electronic equipment such as cell-phone, panel computer, wearable equipment, the embodiment of the utility model provides an only with radio frequency control circuit is used for the cell-phone to explain as the example, and other applied scene refer to the description can.
Referring to fig. 1, a schematic structural diagram of a radio frequency control circuit of the present invention is shown, which may specifically include: a plurality of signal paths 10, a switching module 11, a first switch 12 and a plurality of antennas 13; wherein the plurality of signal paths 10 may include at least one first signal path 101 and at least one second signal path 102; a first switch 12 is arranged on the first signal path 101, and the first switch 12 is connected with at least one antenna 13; the switching module 11 is connected to the second signal path 102 and the plurality of antennas 13, respectively.
The embodiment of the utility model provides an in, when needs use first signal path 101 to carry out signal transmission, can directly switch on the antenna through first switch 12, the switch that inserts is small in quantity on the first signal path 101, like this, just can reduce the insertion loss on the first signal path 101, and then, can improve electronic equipment's communication quality.
As shown in fig. 1, the first switch 12 may be connected to two antennas 13, so that when the first signal path 101 is needed for signal transmission, the antenna 13 closer to the first switch 12 may be selected to form a path according to actual needs, so as to reduce line loss on the first signal path 101 and improve communication quality of the electronic device; alternatively, the antenna 13 with the better signal is selected to form a path to improve the signal transmission efficiency.
It can be understood that fig. 1 only shows the case that the first switch 12 is connected to two antennas 13, in practical applications, the first switch 12 may also be connected to 1, 3 or 4 antennas, and the embodiment of the present invention may not be limited to the number of antennas 13 connected to the first switch 12.
Moreover, the rf control circuit in fig. 1 only shows the case of including 1 first signal path 101 and 2 second signal paths 102, and in a specific application, a person skilled in the art may set the number of the first signal paths 101 and the second signal paths 102 according to actual needs, and the embodiment of the present invention is not limited to the number of the first signal paths 101 and the second signal paths 102 in the rf control circuit.
In practical application, the radio frequency control circuit may be used in fourth generation mobile communication network (4 generation mobile networks, 5G) electronic equipment, 5G electronic equipment, or electronic equipment compatible with 4G and 5G networks at the same time, the utility model discloses it is right that the radio frequency control circuit is used the network type of electronic equipment does not limit.
In an optional embodiment of the present invention, the first switch 12 is further connected to the switching module 11 to form a path with the antenna 13 through the switching module 11.
In practical applications, since the first switch 12 is further connected to the switching module 11, the first signal path 101 may be conducted with the antenna 13 only through the first switch 12 to form a path, so as to implement transmission of a certain signal (for example, a high-frequency diversity signal in 5G MIMO), or may be conducted with the antenna 13 through the first switch 12 and the switching module 11 in sequence to form a path, so as to implement transmission of another signal (for example, a high-frequency diversity signal in 4G). That is, different kinds of signals can share the first signal path 101, and the integration degree of the radio frequency control circuit is improved.
Alternatively, the first switch 12 may be a single pole, multiple throw switch. Specifically, when the first switch 12 is connected to 2 antennas 13 and the switching module 11, respectively, the first switch 12 may be a single-pole-three-throw switch, and when the first switch 12 is connected to 1 antenna 12 and the switching module 11, respectively, the first switch 12 may be a single-pole-two-throw switch.
In practical applications, since the single-pole multi-throw switch has the advantages of simple structure, reliable performance and low cost, when the first switch 12 is the single-pole multi-throw switch, the first switch 12 can have the advantages of simple structure, reliable performance and low cost.
In an optional embodiment of the present invention, the plurality of signal paths 10 may include a plurality of 4G signal paths |, a plurality of 5G signal paths and a plurality of MIMO signal paths, so that the rf control circuit may be compatible with transmission control of 4G rf signals and 5G rf signals at the same time.
Referring to fig. 2, a schematic structural diagram of another rf control circuit of the present invention is shown, and as shown in fig. 2, the 4G signal path may include: a first 4G signal path 103, a second 4G signal path 104, a third 4G signal path 105, and a fourth 4G signal path. The 5G signal path may include: a first 5G signal path 106 and a second 5G signal path; the MIMO signal path may include: a first MIMO signal path 107 and a second MIMO signal path 108.
The first 4G signal path 103, the second 4G signal path 104, the third 4G signal path 105, the first 5G signal path 106, the first MIMO signal path 107, and the second MIMO signal path 108 are the second signal path 102.
The signal path shared by the fourth 4G signal path and the second 5G signal path is the first signal path 101.
In practical applications, the first 4G signal path 103 is a 4G low frequency main set receiving and transmitting path, the receiving and transmitting signals share a common path, and the first 4G signal path 103 can be used for receiving and transmitting 4G low frequency signals. The second 4G signal path 104 is a 4G low frequency diversity receive path, a receive signal path, and the second 4G signal path 104 may be used for reception of 4G low frequency signals. The third 4G signal path 105 is a 4G medium high frequency main set receive and transmit path, which is a common receive and transmit signal path, and the third 4G signal path 105 may be used for receiving and transmitting 4G high frequency signals. The fourth 4G signal path is a 4G medium-high frequency diversity reception path, a reception signal path, and the fourth 4G signal path may be used for reception of a 4G medium-high frequency signal.
Specifically, the first 5G signal path 106 is a 5G main set receive and transmit path, the receive and transmit signals share a path, and the first 5G signal path 106 may be used for receiving and transmitting 5G signals. The second 5G signal path is a 5G diversity receive path, a receive signal path, and the second 5G signal path may be used for reception of 5G MIMO signals.
Specifically, the first MIMO signal path 107 and the second MIMO signal path 108 are MIMO downlink receiving paths except for 4G/5G signal paths, and the first MIMO signal path 107 and the second MIMO signal path 108 may be used for receiving radio frequency signals except for 4G/5G signals.
Alternatively, the plurality of antennas 13 may include: a first antenna 131, a second antenna 132, a third antenna 133, and a fourth antenna 134.
The switching module 11 may include: a second switch 111, a third switch 112, a fourth switch 113, a fifth switch 114, and a sixth switch 115.
A first terminal of the second switch 111 is connected to the first switch 12 and the third 4G signal path 105, respectively, and a second terminal of the second switch 111 is connected to a first terminal of the fifth switch 114 and a first terminal of the sixth switch 115, respectively.
A first terminal of the third switch 112 is connected to the first 5G signal path 106, and a second terminal of the third switch 112 is connected to a first terminal of the fifth switch 114 and a first terminal of the sixth switch 115, respectively.
A first end of the fourth switch 113 is connected to the first 4G signal path 103 and the second 4G signal path 104, respectively, and a second end of the fourth switch 113 is connected to the first antenna 131 and the second antenna 132, respectively.
A first terminal of the fifth switch 114 is connected to the first MIMO signal path 107, and a second terminal of the fifth switch 114 is connected to the first antenna 113 and the second antenna 114, respectively.
A first terminal of the sixth switch 115 is connected to the second MIMO signal path 108, and a second terminal of the sixth switch 115 is connected to the third antenna 133 and the fourth antenna 134, respectively.
In practical application, by arranging the second switch 111, the third switch 112, the fourth switch 113, the fifth switch 114 and the sixth switch 115 in the switching module 11 and by arranging the connection relationship among the switches, the signal paths and the antennas, the rf control circuit can be compatible with transmission control of 4G rf signals and 5G rf signals at the same time, and can transmit and receive signals by using a plurality of transmitting antennas and receiving antennas at the same time, thereby improving communication quality.
In the embodiment of the present invention, the second switch 111 and the fourth switch 113 are double-pole double-throw switches, the third switch 112 is a single-pole double-throw switch, and the fifth switch 114 and the sixth switch 115 are double-pole triple-throw switches.
In practical applications, since the double-throw switch, the single-pole double-throw switch and the double-pole triple-throw switch all belong to mature products, and have the advantages of simple structure, reliable performance and low cost, the module 12 can be switched correspondingly under the condition that the second switch 111 and the fourth switch 113 are double-pole double-throw switches, the third switch 112 is a single-pole double-throw switch, and the fifth switch 114 and the sixth switch 115 are double-pole triple-throw switches, so that the advantages of simple structure, reliable performance and low cost are achieved.
Optionally, the radio frequency control circuit may further include: a first combiner 14 and a second combiner 15; wherein, the first combiner 14 is connected between the second end of the fourth switch 113 and the first antenna 131; the second combiner 15 is connected between the second terminal of the fifth switch 114 and the second antenna 132.
In practical applications, the first and second combiners 14 and 15 may be used to combine the receiving paths of the transmitting paths, so that the first and second antennas 131 and 132 may receive and receive signals simultaneously.
It should be understood that, in fig. 2, only the case where the first antenna 131 and the second antenna 132 are connected to the combiner is shown, and in practical applications, a person skilled in the art may connect the combiner to any one of the antennas according to practical situations, which is not limited by the embodiment of the present invention.
Optionally, the radio frequency control circuit may further include: transceivers (not shown) are connected to the plurality of signal paths 10, respectively.
In practical applications, the transceiver may be used to transmit radio frequency signals to the signal path 10, or receive radio frequency signals transmitted back by the signal path 10, where the radio frequency signals may include 4G signals and/or 5G signals.
To sum up, the embodiment of the present invention provides a radio frequency control circuit including following advantage at least:
in an embodiment of the present invention, the plurality of signal paths may include at least one first signal path and at least one second signal path; the first signal path is provided with the first switch, and the first switch is connected with at least one antenna; the switching module is respectively connected with the second signal path and the plurality of antennas. In practical application, when the first signal path is required to be used for signal transmission, the antenna can be directly conducted through the first switch, and the number of switches connected to the first signal path is small, so that the insertion loss of the first signal path can be reduced, and the communication quality of the electronic equipment can be improved.
The embodiment of the utility model provides an electronic equipment is still provided, electronic equipment specifically can include: the radio frequency control circuit. The electronic device may include, but is not limited to, any one of a mobile phone, a tablet computer, and a wearable device, and the embodiment of the present invention may not be limited to the specific type of the electronic device.
Referring to fig. 3, a schematic structural diagram of an electronic device of the present invention is shown, as shown in fig. 3, the electronic device may specifically include: an electronic device body 30 and a radio frequency control circuit provided at the electronic device; wherein the radio frequency control circuit may include: a plurality of signal paths, a switching module 31, a first switch 32, and a plurality of antennas 33; wherein the plurality of signal paths may include at least one first signal path 301 and at least one second signal path 302; a first switch 32 is arranged on the first signal path 301, and the first switch 32 is connected with at least one antenna 33; the switching module 31 is connected to the second signal path 302 and the plurality of antennas 33, respectively.
The embodiment of the present invention provides an embodiment, when needing to use first signal path 301 to carry out signal transmission, it is enough to switch on first switch 32, and the number of switches accessed on first signal path 301 is small, so that the insertion loss on first signal path 301 can be reduced, and then, the communication quality of electronic equipment can be improved.
As shown in fig. 3, the first switch 32 may be connected to two antennas 33, so that when the first signal path 301 is needed for signal transmission, the antenna 33 closer to the first switch 32 may be selected to form a path according to actual needs, so as to reduce line loss on the first signal path 301 and improve communication quality of the electronic device; alternatively, the antenna 33 with the better signal is selected to form a path to improve the signal transmission efficiency.
It can be understood that fig. 3 only shows the case that the first switch 32 is connected to two antennas 33, in practical applications, the first switch 32 may also be connected to 1, 3 or 4 antennas, and the embodiment of the present invention may not be limited to the number of antennas 33 connected to the first switch 32.
In practical application, the electronic device may be a 4G electronic device, a 5G electronic device, or an electronic device compatible with both 4G and 5G networks, and the network type of the electronic device is not limited by the present invention.
To sum up, the embodiment of the present invention provides an electronic device including following advantage at least:
in the electronic device according to the embodiment of the present invention, the plurality of signal paths of the rf control circuit may include at least one first signal path and at least one second signal path; the first signal path is provided with the first switch, and the first switch is connected with at least one antenna; the switching module is respectively connected with the second signal path and the plurality of antennas. In practical application, when the first signal path is required to be used for signal transmission, the antenna can be directly conducted through the first switch, and the number of switches connected to the first signal path is small, so that the insertion loss of the first signal path can be reduced, and the communication quality of the electronic equipment can be improved.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The radio frequency control circuit and the electronic device provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A radio frequency control circuit, comprising: the antenna comprises a plurality of signal paths, a switching module, a first switch and a plurality of antennas; wherein the content of the first and second substances,
the plurality of signal paths includes at least one first signal path and at least one second signal path;
the first signal path is provided with the first switch, and the first switch is connected with at least one antenna;
the switching module is respectively connected with the second signal path and the plurality of antennas.
2. The RF control circuit of claim 1, wherein the first switch is further connected to the switching module.
3. The rf control circuit of claim 2, wherein the first switch is a single-pole, multi-throw switch.
4. The RF control circuit of claim 1, wherein the plurality of signal paths comprise a plurality of 4G signal paths, a plurality of 5G signal paths, and a plurality of MIMO signal paths.
5. The RF control circuit of claim 4,
the 4G signal path includes: a first 4G signal path, a second 4G signal path, a third 4G signal path, and a fourth 4G signal path;
the 5G signal path includes: a first 5G signal path and a second 5G signal path;
the MIMO signal path includes: a first MIMO signal path and a second MIMO signal path;
the first 4G signal path, the second 4G signal path, the third 4G signal path, the first 5G signal path, the first MIMO signal path, and the second MIMO signal path are the second signal path;
the signal path shared by the fourth 4G signal path and the second 5G signal path is the first signal path.
6. The radio frequency control circuit according to claim 5, wherein the plurality of antennas comprise: a first antenna, a second antenna, a third antenna, and a fourth antenna;
the switching module includes: a second switch, a third switch, a fourth switch, a fifth switch and a sixth switch;
a first end of the second switch is connected with the first switch and the third 4G signal path respectively, and a second end of the second switch is connected with a first end of the fifth switch and a first end of the sixth switch respectively;
a first end of the third switch is connected to the first 5G signal path, and a second end of the third switch is connected to a first end of the fifth switch and a first end of the sixth switch, respectively;
a first end of the fourth switch is connected to the first 4G signal path and the second 4G signal path, respectively, and a second end of the fourth switch is connected to the first antenna and the second antenna, respectively;
a first end of the fifth switch is connected to the first MIMO signal path, and a second end of the fifth switch is connected to the first antenna and the second antenna, respectively;
a first end of the sixth switch is connected to the second MIMO signal path, and a second end of the sixth switch is connected to the third antenna and the fourth antenna, respectively.
7. The RF control circuit of claim 6, wherein the second switch and the fourth switch are double-pole double-throw switches, the third switch is a single-pole double-throw switch, and the fifth switch and the sixth switch are double-pole triple-throw switches.
8. The radio frequency control circuit of claim 6, further comprising: a first combiner and a second combiner; wherein the content of the first and second substances,
the first combiner is connected between the second end of the fourth switch and the first antenna;
the second combiner is connected between the second end of the fifth switch and the second antenna.
9. The radio frequency control circuit according to claim 1, further comprising: transceivers connected to the plurality of signal paths, respectively.
10. An electronic device, comprising: the radio frequency control circuit of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773254.1U CN210899166U (en) | 2019-10-21 | 2019-10-21 | Radio frequency control circuit and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773254.1U CN210899166U (en) | 2019-10-21 | 2019-10-21 | Radio frequency control circuit and electronic equipment |
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| CN210899166U true CN210899166U (en) | 2020-06-30 |
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| CN201921773254.1U Active CN210899166U (en) | 2019-10-21 | 2019-10-21 | Radio frequency control circuit and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949429A (en) * | 2021-10-15 | 2022-01-18 | 维沃移动通信有限公司 | Signal processing device and electronic equipment |
| CN115085756A (en) * | 2021-03-12 | 2022-09-20 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and radio frequency channel switching method thereof |
-
2019
- 2019-10-21 CN CN201921773254.1U patent/CN210899166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085756A (en) * | 2021-03-12 | 2022-09-20 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and radio frequency channel switching method thereof |
| CN115085756B (en) * | 2021-03-12 | 2023-09-22 | 青岛海信移动通信技术有限公司 | Electronic equipment and radio frequency access switching method thereof |
| CN113949429A (en) * | 2021-10-15 | 2022-01-18 | 维沃移动通信有限公司 | Signal processing device and electronic equipment |
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