CN106876874B - Circuit board structure and terminal - Google Patents
Circuit board structure and terminal Download PDFInfo
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- CN106876874B CN106876874B CN201710109076.1A CN201710109076A CN106876874B CN 106876874 B CN106876874 B CN 106876874B CN 201710109076 A CN201710109076 A CN 201710109076A CN 106876874 B CN106876874 B CN 106876874B
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- main set
- radio frequency
- diversity
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- 230000005540 biological transmission Effects 0.000 abstract description 4
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- 238000004891 communication Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Abstract
The invention provides a circuit board structure which comprises a first end, a second end, a first circuit board, a second circuit board, a baseband chip, a diversity module and a diversity antenna feed point, wherein the first end and the second end are opposite, the first circuit board is arranged along the first end, the second circuit board is provided with a radio frequency transceiver, a main set module and a main set antenna feed point, the baseband chip is electrically connected with the radio frequency transceiver, the radio frequency transceiver is electrically connected with the diversity module and the main set module, the diversity module is electrically connected with the diversity antenna feed point and is used for providing feed current for the diversity antenna feed point, and the main set module is electrically connected with the main set antenna feed point and is used for providing feed current for the main set antenna feed point. In addition, the invention also provides a terminal. The circuit board structure and the terminal can reduce transmission loss and improve antenna performance by shortening the distance from the transmission of radio frequency signals from the main set module to the feeding of the main set antenna.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a circuit board structure and a terminal.
Background
At present, in the layout scheme of the radio frequency modules of the terminals such as a mobile phone, a tablet personal computer and the like, one is to place a main set module and a baseband chip on a circuit board at the top end of the terminal, and after the radio frequency signals are output from the main set module, the radio frequency signals are transmitted to an antenna feed point at the bottom end of the terminal in a form of a radio frequency cable, as shown in fig. 1; the other is that the circuit board at the top end is made into an L shape, the main set module is placed at one side of the L-shaped circuit board facing the bottom end of the terminal, and the radio frequency signal output by the main set module still needs to be transmitted to the antenna feed point at the bottom end of the terminal through the radio frequency cable, as shown in fig. 2. In the above two schemes, when the radio frequency signal is transmitted from the main set module to the antenna feed point, the radio frequency signal needs to be realized through a longer radio frequency cable, and the use of the radio frequency cable definitely brings certain insertion loss, influences the radio frequency receiving and transmitting performance of the terminal antenna, and meanwhile, the production cost of the terminal can be increased.
Disclosure of Invention
In view of the above problems in the prior art, embodiments of the present invention provide a circuit board structure and a terminal, so as to reduce a distance between a main set module and a main set antenna feed point in the circuit board structure, thereby reducing loss of radio frequency signals from the main set module to the main set antenna feed point, and improving radio frequency transceiver performance of the terminal.
An embodiment of the invention provides a circuit board structure, which comprises a first end, a second end, a first circuit board arranged along the first end and a second circuit board arranged along the second end, wherein a baseband chip, a diversity module and a diversity antenna feed point are arranged on the first circuit board, a radio frequency transceiver, a main set module and a main set antenna feed point are arranged on the second circuit board, the baseband chip is electrically connected with the radio frequency transceiver, the radio frequency transceiver is electrically connected with the diversity module and the main set module, the diversity module is electrically connected with the diversity antenna feed point and is used for providing feed current for the diversity antenna feed point, and the main set module is electrically connected with the main set antenna feed point and is used for providing feed current for the main set antenna feed point.
In one embodiment, the circuit board structure further includes a third circuit board, the first circuit board is connected to the second circuit board through the third circuit board, and the radio frequency transceiver is electrically connected to the diversity module through a radio frequency signal line disposed on the third circuit board, and is electrically connected to the baseband chip through a signal bus.
In one embodiment, the third circuit board is connected to the same side of the first circuit board and the second circuit board, and forms a half frame-shaped circuit board structure together with the first circuit board and the second circuit board.
The second aspect of the embodiment of the invention provides a terminal, which comprises a first circuit board and a second circuit board, wherein the first circuit board is arranged along the top end of the terminal, the second circuit board is arranged along the bottom end of the terminal, a baseband chip, a diversity module and a diversity antenna feed point are arranged on the first circuit board, a radio frequency transceiver, a main set module and a main set antenna feed point are arranged on the second circuit board, the baseband chip is electrically connected with the radio frequency transceiver, the radio frequency transceiver is electrically connected with the diversity module and the main set module, the diversity module is electrically connected with the diversity antenna feed point and is used for providing feed current for the diversity antenna feed point, and the main set module is electrically connected with the main set antenna feed point and is used for providing feed current for the main set antenna feed point.
In one embodiment, the terminal further includes a third circuit board, the first circuit board is connected to the second circuit board through the third circuit board, and the radio frequency transceiver is electrically connected to the diversity module through a radio frequency signal line disposed on the third circuit board, and is electrically connected to the baseband chip through a signal bus.
In one embodiment, the third circuit board is connected to the same side of the first circuit board and the second circuit board, and forms a half frame-shaped circuit board structure together with the first circuit board and the second circuit board, and the half frame-shaped circuit board structure encloses a half enclosed space for accommodating the battery of the terminal.
In one embodiment, the third circuit board is a flexible circuit board.
In one embodiment, the terminal further comprises a main set antenna and a diversity antenna, wherein the main set antenna is arranged along the bottom end of the terminal and is electrically connected with the main set antenna feed point for transmitting and receiving main set signals, and the diversity antenna is arranged along the top end of the terminal and is electrically connected with the diversity antenna feed point for receiving diversity signals.
In one embodiment, the first circuit board is further provided with a GPS module and a Wi-Fi module, the GPS module is electrically connected to the radio frequency transceiver through a radio frequency signal line disposed on the third circuit board, and the Wi-Fi module is electrically connected to the baseband chip.
In one embodiment, the terminal further comprises a GPS antenna and a Wi-Fi antenna, wherein the GPS antenna is arranged along the top end of the terminal and is electrically connected with the GPS module for receiving GPS positioning signals, and the Wi-Fi antenna is arranged along the top end of the terminal and is electrically connected with the Wi-Fi module for sending and receiving Wi-Fi signals.
The circuit board structure is arranged on the second circuit board at the bottom end of the terminal through the radio frequency transceiver and the main set module, so that the distance from the radio frequency signal output by the main set module to the feed point of the main set antenna can be effectively reduced, the loss of the radio frequency signal from the main set module to the feed point of the main set antenna is reduced, the transmission efficiency of the radio frequency signal is improved, and the radio frequency receiving and transmitting performance of the terminal is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a first layout scheme of a radio frequency module of a terminal in the prior art;
fig. 2 is a schematic diagram of a second layout scheme of a radio frequency module of a terminal in the prior art;
FIG. 3 is a schematic diagram of a circuit board structure according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a first structure of a terminal according to an embodiment of the present invention;
fig. 5 is a second schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Spatially relative terms, such as "under …," "under …," "lower," "over …," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that when an element or layer is referred to as being "on," "connected to" or "coupled to" another element or layer, it can be directly on, connected or coupled to the other element or layer, or intervening elements or layers may be present.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Further, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, elements, components, and/or groups thereof.
Referring to fig. 3, in one embodiment of the present invention, a circuit board structure 100 is provided, which includes opposite first and second ends 101 and 103, a first circuit board 110 disposed along the first end 101, and a second circuit board 130 disposed along the second end 103. The first circuit board 110 is provided with a baseband chip 111, a diversity module 113 and a diversity antenna feed point 115, and the second circuit board 130 is provided with a radio frequency transceiver 131, a main set module 133 and a main set antenna feed point 135. The baseband chip 111 is electrically connected to the rf transceiver 131, and the rf transceiver 131 is electrically connected to the diversity module 113 and the main set module 133. The diversity module 113 is electrically connected to the diversity antenna feed point 115 for providing a feed current to the diversity antenna feed point 115. The main set module 133 is electrically connected to the main set antenna feed point 135 for providing a feed current to the main set antenna feed point 135. It will be appreciated that the number of diversity antenna feed points 115 and the number of main set antenna feed points 135 may each be one or more.
In this embodiment, the circuit board structure 100 may be applied to a mobile phone, a tablet computer, and other terminals. The first circuit board 110 may be disposed along a top end of the terminal, and the second circuit board 130 may be disposed along a bottom end of the terminal. The first circuit board 110 and the second circuit board 130 are spaced apart from each other, and the battery of the terminal may be disposed between the first circuit board 110 and the second circuit board 130. It can be understood that the top end of the terminal is one end provided with the earphone, and the bottom end of the terminal is one end provided with the main communication microphone.
In one embodiment, the circuit board structure 100 further includes a third circuit board 150, the first circuit board 110 is connected to the second circuit board 130 through the third circuit board 150, and the radio frequency transceiver 131 is electrically connected to the diversity module 113 through a radio frequency signal line disposed on the third circuit board 150 and is electrically connected to the baseband chip 111 through a signal bus 151. The signal bus 151 may be disposed on the third circuit board 150, or may be disposed on a flexible circuit board separately.
In one embodiment, the third circuit board 150 is connected to the same side of the first circuit board 110 and the second circuit board 130, and forms a half frame-shaped circuit board structure together with the first circuit board 110 and the second circuit board 130. The battery of the terminal can be accommodated in a semi-closed space surrounded by the semi-frame-shaped circuit board structure. In the present embodiment, the width of the third circuit board 150 is approximately 3.5mm to 4mm.
In one embodiment, the diversity antenna feed point 115 may be disposed on a side of the first circuit board 110 facing the top end of the terminal, i.e., along the first end 101 of the circuit board structure 100, for connecting a diversity antenna for receiving diversity signals through the diversity antenna. The main set antenna feed point 135 may be disposed on a side of the second circuit board 130 facing the bottom end of the terminal, i.e., along the second end 103 of the circuit board structure 100, for connecting to a main set antenna for transmitting and receiving main set signals through the main set antenna.
It can be appreciated that, by disposing The radio frequency transceiver 131 and The main set module 133 on The second circuit board 130 near The bottom end of The terminal, the distance between The output of The main set module 133 and The main set antenna feed point 135 can be effectively shortened, and The radio frequency signal output end of The main set module 133 can be directly connected with The main set antenna through The antenna elastic sheet, so that a radio frequency cable is not required to be disposed between The main set module 133 and The main set antenna feed point 135, which can avoid insertion loss caused by use of The radio frequency cable, and improve The Air Over The Air (OTA) test performance of The antenna.
Meanwhile, the radio frequency transceiver 131 is connected with the diversity module 113 through the radio frequency signal line on the third circuit board 150, and since the diversity antenna connected with the diversity module 113 is only used for receiving diversity signals, and the low noise amplifier (Low Noise Amplifier, LNA) in the diversity module is arranged next to the diversity antenna, the insertion loss caused by the signal wiring between the LNA and the radio frequency transceiver 131 is offset by the LNA, so that the receiving performance of the diversity antenna is not substantially affected. In this embodiment, by disposing the rf transceiver 131 and the main set module 133 on the second circuit board 130 adjacent to the main set antenna, the rf performance of the main set antenna of the terminal can be improved by about 1dB.
In one embodiment, the first circuit board 110 is further provided with a GPS module 117 and a Wi-Fi module 119, the GPS module 117 is electrically connected to the radio frequency transceiver 131 through a radio frequency signal line disposed on the third circuit board 150, and the Wi-Fi module 119 is electrically connected to the baseband chip 111. The GPS module 117 is configured to connect to a GPS antenna to receive GPS positioning signals via the GPS antenna. The Wi-Fi module 119 is configured to connect to a Wi-Fi antenna to send and receive Wi-Fi signals through the Wi-Fi antenna.
Referring to fig. 4, in one embodiment of the present invention, a terminal 200 is provided, including a first circuit board 210 and a second circuit board 230, where the first circuit board 210 is disposed along a top end of the terminal, the second circuit board 230 is disposed along a bottom end of the terminal, a baseband chip 211, a diversity module 213, and a diversity antenna feed point 215 are disposed on the first circuit board 210, a radio frequency transceiver 231, a main set module 233, and a main set antenna feed point 235 are disposed on the second circuit board 230, the baseband chip 211 is electrically connected to the radio frequency transceiver 231, the radio frequency transceiver 231 is electrically connected to the diversity module 213 and the main set module 233, the diversity module 213 is electrically connected to the diversity antenna feed point 215, and the main set module 233 is electrically connected to the main set antenna feed point 235, for providing a feed current to the main set antenna feed point 135.
The terminal can be a mobile phone, a tablet personal computer and the like. The first circuit board 210 and the second circuit board 230 may be two independent circuit boards, or may be two areas on the same circuit board near the top and bottom ends of the terminal, respectively. The first circuit board 210 and the second circuit board 230 are spaced apart from each other, and may be electrically connected to each other through a high-speed signal bus.
In one embodiment, the terminal 200 further includes a third circuit board 250, the first circuit board 210 is connected to the second circuit board 230 through the third circuit board 250, and the rf transceiver 231 is electrically connected to the diversity module 213 through an rf signal line disposed on the third circuit board 250 and is electrically connected to the baseband chip 211 through a signal bus 251. The signal bus 251 may be disposed on the third circuit board 250, or may be disposed on a flexible circuit board separately. In this embodiment, the width of the third circuit board 250 ranges from about 3.5mm to about 4mm.
In one embodiment, the third circuit board 250 is connected to the same side of the first circuit board 210 and the second circuit board 230, and forms a half frame-shaped circuit board structure together with the first circuit board 210 and the second circuit board 230, and the half frame-shaped circuit board structure encloses a half enclosed space for accommodating a battery (not shown) of the terminal 200. In one embodiment, the third circuit board 250 may be a flexible circuit board.
In one embodiment, the terminal 200 further includes a main set antenna 220 and a diversity antenna 240, wherein the main set antenna 220 is disposed along a bottom end of the terminal and electrically connected to the main set antenna feed point 235 for transmitting and receiving a main set signal, and the diversity antenna 240 is disposed along a top end of the terminal and electrically connected to the diversity antenna feed point 215 for receiving a diversity signal.
It will be appreciated that the diversity module 113 may include a diversity antenna filter (not shown) for filtering noise in diversity signals received by the diversity antenna and a diversity antenna amplifier (not shown) coupled between the diversity antenna filter and the rf transceiver 131 for amplifying the filtered diversity signals and transmitting the amplified diversity signals to the rf transceiver 131 through the rf signal line on the third circuit board 150.
The main set module 133 may include a main set antenna filter (not shown) and a main set antenna amplifier (not shown), where the main set antenna filter is configured to filter clutter in a main set signal received by a main set antenna, and the main set antenna amplifier is coupled between the main set antenna filter and the radio frequency transceiver 131, and configured to amplify the filtered main set signal and transmit the amplified main set signal to the radio frequency transceiver 131 through a radio frequency signal line on the third circuit board 150.
It should be understood that the embodiments of the present invention are not limited to the specific configurations of the main set antenna 220 and the diversity antenna 240. For example, the main set antenna 220 and the diversity antenna 240 may each include a plurality of radiators, and the radiators may be antenna radiators independently disposed inside a terminal or antenna radiators formed by multiplexing metal frames of the terminal. The main set Antenna 220 and the diversity Antenna 240 may be, but are not limited to, monopole antennas, loop antennas (Loop) antennas, inverted-F antennas (IFA), planar Inverted-F antennas (Planar Inverted F-Inverted-Antenna, PIFA), and the like.
In this embodiment, since the main set antenna 220 is disposed on a side close to the bottom end of the terminal 200, the distance between the main set antenna 220 and the user's head in the call state of the terminal can be increased, so as to reduce the radiation to the user's head, reduce the influence of the head and the hand holding on the radiation performance of the antenna in the call state, and improve the call signal quality of the terminal.
In one embodiment, the first circuit board 210 is further provided with a GPS module 217 and a Wi-Fi module 219, the GPS module 217 is electrically connected to the radio frequency transceiver 231 through a radio frequency signal line disposed on the third circuit board 250, and the Wi-Fi module 219 is electrically connected to the baseband chip 211. The terminal further comprises a GPS antenna 260 and a Wi-Fi antenna 270, wherein the GPS antenna 260 is arranged along the top end of the terminal and is electrically connected with the GPS module 217 for receiving GPS positioning signals, and the Wi-Fi antenna 270 is arranged along the top end of the terminal and is electrically connected with the Wi-Fi module 219 for sending and receiving Wi-Fi signals. It can be appreciated that, since both bluetooth and Wi-Fi can operate in the 2.4GHz band, the Wi-Fi module 219 can be further multiplexed into a bluetooth module, and correspondingly, the Wi-Fi antenna 270 can be further multiplexed into a bluetooth antenna.
In this embodiment, the top end of the terminal 200 is the end with the earpiece, and the bottom end of the terminal is the end with the main microphone, i.e. the end with the main key (Home key). As shown in fig. 5, 200 is a terminal, 201 is a handset, 202 is a top end of the terminal, 203 is a primary key, 204 is a bottom end of the terminal, and 205 is a battery of the terminal. The positions of the first, second and third circuit boards 210, 230 and 250 relative to the top and bottom ends of the terminal 200 are shown in dashed boxes in fig. 5. It will be appreciated that since the first, second and third circuit boards 210, 230 and 250 and the battery 205 are effectively enclosed within the housing of the terminal 200, their relative positional relationship is only indicated by dashed boxes in fig. 5. The positional relationships of the components on the first circuit board 210, the second circuit board 230, and the third circuit board 250 and the positional relationships of the antennas of the terminal 200 may be described with reference to the embodiment shown in fig. 4, and are not repeated here.
The terminal 200 is configured to set the radio frequency transceiver 231 and the main set module 233 on the second circuit board 230 located at the bottom end of the terminal, so that the distance from the radio frequency signal output by the main set module 233 to the main set antenna feed point 235 can be effectively reduced, thereby reducing the loss between the radio frequency signal from the main set module 233 to the main set antenna feed point 235, being beneficial to improving the transmission efficiency of the radio frequency signal and improving the radio frequency transceiver performance of the terminal.
It is to be understood that the foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, as all or part of the procedures for implementing the embodiments described above will be understood by those skilled in the art and equivalents may be substituted for elements thereof which are intended to fall within the scope of the invention as defined in the claims.
Claims (6)
1. The circuit board structure is characterized by comprising a first end, a second end, a first circuit board and a second circuit board, wherein the first end and the second end are opposite, the first circuit board is arranged along the first end, the second circuit board is arranged along the second end, a baseband chip, a diversity module and a diversity antenna feed point are arranged on the first circuit board, a radio frequency transceiver, a main set module and a main set antenna feed point are arranged on the second circuit board, the baseband chip is electrically connected with the radio frequency transceiver, the radio frequency transceiver is electrically connected with the diversity module and the main set module, the diversity module is electrically connected with the diversity antenna feed point and is used for providing feed current for the diversity antenna feed point, and the main set module is electrically connected with the main set antenna feed point and is used for providing feed current for the main set antenna feed point so as to reduce the distance between the main set module and the main set antenna feed point in the circuit board structure.
The circuit board structure further comprises a third circuit board, the first circuit board is connected with the second circuit board through the third circuit board, and the radio frequency transceiver is electrically connected with the diversity module through a radio frequency signal wire arranged on the third circuit board and is electrically connected with the baseband chip through a signal bus;
the radio frequency transceiver and the main set module are arranged on the second circuit board adjacent to the main set antenna, and the radio frequency signal output end of the main set module is directly connected with the main set antenna through an antenna elastic sheet;
the radio frequency transceiver is connected with the diversity module through a radio frequency signal line on the third circuit board; the low noise amplifier in the diversity module is arranged next to the diversity antenna;
the third circuit board is connected to the same side of the first circuit board and the second circuit board, and forms a half frame-shaped circuit board structure together with the first circuit board and the second circuit board; the semi-frame type circuit board structure encloses a semi-enclosed space for accommodating the battery.
2. The terminal is characterized by comprising a first circuit board and a second circuit board, wherein the first circuit board is arranged along the top end of the terminal, the second circuit board is arranged along the bottom end of the terminal, a baseband chip, a diversity module and a diversity antenna feed point are arranged on the first circuit board, a radio frequency transceiver, a main set module and a main set antenna feed point are arranged on the second circuit board, the baseband chip is electrically connected with the radio frequency transceiver, the radio frequency transceiver is electrically connected with the diversity module and the main set module, the diversity module is electrically connected with the diversity antenna feed point and is used for providing feed current for the diversity antenna feed point, and the main set module is electrically connected with the main set antenna feed point and is used for providing feed current for the main set antenna feed point so as to reduce the distance between the main set module and the main set antenna feed point in the circuit board structure.
The terminal also comprises a third circuit board, the first circuit board is connected with the second circuit board through the third circuit board, and the radio frequency transceiver is electrically connected with the diversity module through a radio frequency signal wire arranged on the third circuit board and is electrically connected with the baseband chip through a signal bus;
the radio frequency transceiver and the main set module are arranged on the second circuit board adjacent to the main set antenna, and the radio frequency signal output end of the main set module is directly connected with the main set antenna through an antenna elastic sheet;
the radio frequency transceiver is connected with the diversity module through a radio frequency signal line on the third circuit board; the low noise amplifier in the diversity module is arranged next to the diversity antenna;
the third circuit board is connected to the same side of the first circuit board and the second circuit board, and forms a half frame-shaped circuit board structure together with the first circuit board and the second circuit board, and the half frame-shaped circuit board structure encloses a half enclosed space for accommodating a battery of the terminal.
3. The terminal of claim 2, wherein the third circuit board is a flexible circuit board.
4. A terminal as claimed in claim 2 or 3, wherein the main set antenna is disposed along a bottom end of the terminal and is electrically connected to the main set antenna feed point for transmitting and receiving main set signals, and the diversity antenna is disposed along a top end of the terminal and is electrically connected to the diversity antenna feed point for receiving diversity signals.
5. The terminal of claim 4, wherein the first circuit board is further provided with a GPS module and a Wi-Fi module, the GPS module is electrically connected to the radio frequency transceiver through a radio frequency signal line disposed on the third circuit board, and the Wi-Fi module is electrically connected to the baseband chip.
6. The terminal of claim 5, further comprising a GPS antenna disposed along a top end of the terminal and electrically connected to the GPS module for receiving GPS positioning signals, and a Wi-Fi antenna disposed along a top end of the terminal and electrically connected to the Wi-Fi module for transmitting and receiving Wi-Fi signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109076.1A CN106876874B (en) | 2017-02-27 | 2017-02-27 | Circuit board structure and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109076.1A CN106876874B (en) | 2017-02-27 | 2017-02-27 | Circuit board structure and terminal |
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| Publication Number | Publication Date |
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| CN106876874A CN106876874A (en) | 2017-06-20 |
| CN106876874B true CN106876874B (en) | 2024-02-23 |
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| CN201710109076.1A Active CN106876874B (en) | 2017-02-27 | 2017-02-27 | Circuit board structure and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411873B (en) * | 2017-08-17 | 2021-05-11 | Lg电子株式会社 | Electronic device |
| CN108132408B (en) * | 2017-12-20 | 2020-10-02 | 深圳市万普拉斯科技有限公司 | Detection circuit and electronic equipment |
| CN108461895B (en) * | 2018-03-19 | 2020-08-04 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and antenna switching method |
| CN108493578B (en) * | 2018-03-19 | 2020-09-08 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and antenna switching method |
| CN108988904B (en) * | 2018-07-23 | 2020-10-30 | Oppo广东移动通信有限公司 | Radio frequency system, antenna switching control method and related product |
| CN109638415B (en) * | 2018-12-17 | 2020-11-13 | 惠州Tcl移动通信有限公司 | Antenna structure and electronic equipment |
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| CN106876874A (en) | 2017-06-20 |
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