CN111953358A - Radio frequency structure and mobile terminal - Google Patents
Radio frequency structure and mobile terminal Download PDFInfo
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- CN111953358A CN111953358A CN202010797266.9A CN202010797266A CN111953358A CN 111953358 A CN111953358 A CN 111953358A CN 202010797266 A CN202010797266 A CN 202010797266A CN 111953358 A CN111953358 A CN 111953358A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
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Abstract
The embodiment of the invention discloses a radio frequency structure and a mobile terminal. The radio frequency structure comprises a frequency conversion module, an antenna module and a signal processing module, wherein the frequency conversion module is electrically connected with the antenna module and the signal processing module and is used for receiving multi-frequency receiving signals transmitted by the antenna module, converting the multi-frequency receiving signals into single-frequency receiving signals and transmitting the single-frequency receiving signals to the signal processing module, receiving single-frequency transmitting signals transmitted by the signal processing module, converting the single-frequency transmitting signals into multi-frequency transmitting signals and transmitting the multi-frequency transmitting signals to the antenna module, so that components and passages of the radio frequency structure are reduced, and the radio frequency structure is simpler.
Description
Technical Field
The invention relates to the technical field of radio frequency structures, in particular to a radio frequency structure and a mobile terminal.
Background
The frequency spectrum resource is a very precious resource in the nature, and at the beginning of the design of a communication system, different frequency bands are designed to apply different frequencies in order to prevent the mutual influence among all communications, so that the radio frequency system is based on the frequencies when the communication equipment is designed. Taking a mobile phone as an example, as shown in fig. 1, in a conventional mobile phone Radio Frequency structure, at the back end of an antenna, RF (Radio Frequency) is divided into different channels according to different Frequency bands to transmit and receive signals, and is connected to interfaces of different Frequency bands of a Transceiver, different filters, such as SAW filters and duplexers, need to be arranged on each channel of different Frequency bands, PA (power amplifier) also needs to support multiple frequencies, output ends of different Frequency bands of the Transceiver are connected to the interfaces of the corresponding Frequency bands of PA, output ends of different Frequency bands of PA are connected to the corresponding duplexers, which are connected to a switch, which is connected to an antenna module, and in the research and practice processes of the prior art, the inventor of the present invention finds that the conventional mobile phone Radio Frequency structure needs more components and channels, the structure is complex.
Disclosure of Invention
The embodiment of the invention provides a radio frequency structure and a mobile terminal, wherein a frequency conversion module is arranged between an antenna module and a signal processing module, so that multi-frequency signals and single-frequency signals can be converted mutually, components and channels are reduced, and the radio frequency structure is simpler.
An embodiment of the present invention provides a radio frequency structure, including:
the frequency conversion module is electrically connected with the antenna module and the signal processing module, and is used for receiving multifrequency receiving signals transmitted by the antenna module, converting the multifrequency receiving signals into single frequency receiving signals and transmitting the single frequency receiving signals to the signal processing module, receiving single frequency transmitting signals transmitted by the signal processing module, and converting the single frequency transmitting signals into multifrequency transmitting signals and transmitting the multifrequency transmitting signals to the antenna module.
Optionally, in some embodiments of the present invention, a frequency of the single-frequency receiving signal is the same as or different from a frequency included in the multi-frequency receiving signal, and a frequency of the single-frequency transmitting signal is the same as or different from a frequency included in the multi-frequency transmitting signal.
Optionally, in some embodiments of the present invention, the signal processing module includes a duplexer, a filter, a radio frequency chip, and a power amplifier.
Optionally, in some embodiments of the present invention, the duplexer is electrically connected to the frequency conversion module, the filter and the power amplifier, and is configured to receive the single frequency receiving signal transmitted by the frequency conversion module, transmit the single frequency receiving signal to the filter, receive the single frequency transmitting signal transmitted by the power amplifier, and transmit the single frequency transmitting signal to the frequency conversion module.
Optionally, in some embodiments of the present invention, the duplexer is configured to isolate the single-frequency receiving signal and the single-frequency transmitting signal.
Optionally, in some embodiments of the present invention, the filter is electrically connected to the duplexer and the rf chip, and is configured to receive the single frequency receiving signal transmitted by the duplexer and transmit the single frequency receiving signal to the rf chip.
Optionally, in some embodiments of the present invention, the rf chip is electrically connected to the filter and the power amplifier, and is configured to receive the single-frequency receiving signal transmitted by the filter and transmit the single-frequency transmitting signal to the power amplifier.
Optionally, in some embodiments of the present invention, the rf chip is configured to demodulate the single-frequency receiving signal and modulate the single-frequency transmitting signal.
Optionally, in some embodiments of the present invention, the power amplifier is electrically connected to the duplexer and the radio frequency chip, and is configured to receive the single frequency transmitting signal transmitted by the radio frequency chip and transmit the single frequency transmitting signal to the duplexer.
Correspondingly, the embodiment of the invention also provides a mobile terminal which comprises the radio frequency structure.
The embodiment of the invention provides a radio frequency structure and a mobile terminal, the radio frequency structure comprises a frequency conversion module, an antenna module and a signal processing module, the frequency conversion module is electrically connected with the antenna module and the signal processing module, the signal processing module comprises a duplexer, a filter, a radio frequency chip and a power amplifier, the duplexer is electrically connected with the frequency conversion module, the filter and the power amplifier, the filter is electrically connected with the radio frequency chip, the radio frequency chip is electrically connected with the power amplifier, the antenna module receives a multi-frequency receiving signal and transmits the multi-frequency receiving signal to the frequency conversion module, the frequency conversion module receives the multi-frequency receiving signal transmitted by the antenna module, converts the multi-frequency receiving signal into a single-frequency receiving signal and transmits the single-frequency receiving signal to the duplexer, and filters out interference signals, the filter transmits a single-frequency receiving signal to the radio frequency chip, the radio frequency chip demodulates and applies the single-frequency receiving signal, the radio frequency chip modulates a single-frequency transmitting signal and transmits the single-frequency transmitting signal to the power amplifier, the power amplifier transmits the single-frequency transmitting signal to the frequency conversion module, the frequency conversion module converts the single-frequency transmitting signal into a multi-frequency transmitting signal and transmits the multi-frequency transmitting signal to the antenna module, and the frequency conversion module is applied to convert the frequency of the signal, so that components and passages of a radio frequency structure are reduced, and the radio frequency structure is simpler.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a radio frequency architecture provided in the background of the invention;
fig. 2 is a schematic diagram of a radio frequency structure of a first implementation manner provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a radio frequency structure of a second implementation manner provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 5 is an exploded schematic view of a terminal according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Embodiments of the present invention will be described in terms of a radio frequency structure, which may be specifically integrated in a mobile terminal, and the mobile terminal may include a smart phone, a notebook computer, a tablet computer, and the like.
Referring to fig. 2, an embodiment of the invention provides a radio frequency structure 20.
The rf structure 20 includes a frequency conversion module 202, an antenna module 203 and a signal processing module 201, wherein the frequency conversion module 202 is electrically connected to the antenna module 203 and the signal processing module 201, and the frequency conversion module 202 is configured to receive a multi-frequency receiving signal transmitted by the antenna module 203, convert the multi-frequency receiving signal into a single-frequency receiving signal and transmit the single-frequency receiving signal to the signal processing module 201, receive a single-frequency transmitting signal transmitted by the signal processing module 201, convert the single-frequency transmitting signal into a multi-frequency transmitting signal and transmit the multi-frequency transmitting signal to the antenna module 203.
In one embodiment, the single frequency receive signal has a frequency that is the same as or different from a frequency included in the multi-frequency receive signal, and the single frequency transmit signal has a frequency that is the same as or different from a frequency included in the multi-frequency transmit signal.
In some embodiments, referring to fig. 3, the signal processing module 201 includes a duplexer 2011, a filter 2012, an rf chip 1013, and a power amplifier 2014.
In one embodiment, referring to fig. 3, the duplexer 2011 is electrically connected to the frequency conversion module 202, the input interface of the filter 2012 and the output interface of the power amplifier 2014, and the duplexer 2011 is configured to receive the single frequency receiving signal transmitted by the frequency conversion unit 202, transmit the single frequency receiving signal to the filter 2012, receive the single frequency transmitting signal transmitted by the power amplifier 2014, and transmit the single frequency transmitting signal to the frequency conversion module 202.
In one embodiment, referring to fig. 3, there is only one path between the duplexer 2011 and the frequency conversion module 202, only one path between the duplexer 2011 and the filter 2012, and only one path between the duplexer 2011 and the power amplifier 2014.
In one embodiment, referring to fig. 3, the duplexer 2011 is further configured to isolate the single frequency receive signal from the single frequency transmit signal.
In some embodiments, referring to fig. 3, the duplexer 2011 is a main accessory of the inter-frequency duplex radio station, the relay station, which is used to isolate the transmitting and receiving signals, and ensure that both the receiving and transmitting stations can work normally. It is composed of two groups of band-pass filters with different frequencies to prevent the local transmitting signal from being transmitted to the receiver.
In some embodiments, referring to fig. 3, a filter 2012 is electrically connected to the output interface of the duplexer 2011 and the input interface of the rf chip 2013, and is configured to receive the single-frequency receive signal transmitted by the duplexer 2011 and transmit the single-frequency receive signal to the rf chip 2013.
In one embodiment, referring to fig. 3, there is only one path between the filter 2012 and the duplexer 2011, and there is only one path between the filter 2012 and the rf chip 2013.
In one embodiment, the filter is a filter circuit composed of a capacitor, an inductor and a resistor, and the filter can effectively filter a frequency point of a specific frequency in the power line or frequencies other than the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.
In one embodiment, referring to fig. 3, filter 2012 may include a SAW filter, and filter 2012 may filter out signals outside the frequency band required for the mobile terminal to communicate from the single frequency received signal, and only retain signals within the frequency band required for the mobile terminal to communicate.
In some embodiments, referring to fig. 3, the rf chip 2013 is electrically connected to the output interface of the filter 2012 and the input/output interface of the power amplifier 2014, and is configured to receive the single-frequency receiving signal transmitted by the filter 2012 and transmit the single-frequency transmitting signal to the power amplifier 2014.
In some embodiments, referring to fig. 3, there is only one path between the rf chip 2013 and the filter 2012, and there is also only one path between the rf chip 2013 and the power amplifier 2014.
In one embodiment, referring to fig. 3, rf chip 2013 includes a Transceiver (a Transceiver, a Transceiver and a Transceiver mounted on a single component and sharing a portion of the same circuitry, usually portable or mobile), and rf chip 2013 is further configured to demodulate the single frequency received signal and modulate the single frequency transmitted signal.
In some embodiments, referring to fig. 3, the power amplifier 2014 is electrically connected to the input interface of the duplexer 2011 and the output interface of the rf chip 2013, and is configured to receive the single-frequency transmitting signal transmitted by the rf chip 2013 and transmit the single-frequency transmitting signal to the duplexer 2011.
In some embodiments, referring to fig. 3, there is only one path between the power amplifier 2014 and the duplexer 2011, and there is only one path between the power amplifier 2014 and the rf chip 2013.
In one embodiment, referring to fig. 3, the power amplifier 2014 is further configured to amplify the power of the single frequency transmission signal transmitted by the rf chip 2013, so that the antenna of the mobile terminal can transmit the single frequency transmission signal to a remote location.
In one embodiment, a Power Amplifier (PA), referred to as a "power amplifier," refers to an amplifier that generates maximum power output to drive a load (e.g., a speaker) at a given distortion rate. The power amplifier plays a role of 'organization and coordination' in the whole sound system, and governs to some extent whether the whole system can provide good sound quality output.
In one embodiment, referring to fig. 3, the frequency conversion module 202 transmits a single frequency receiving signal to the input interface of the duplexer 2011, the input interface 2011 of the duplexer 2011 receives the single frequency receiving signal transmitted by the output interface of the frequency conversion module 202, the duplexer 2011 transmits the single frequency receiving signal to the input interface of the filter 2012, the input interface of the filter 2012 receives the single frequency receiving signal transmitted by the output interface of the duplexer 2011, the filter 2012 filters out signals of the single frequency receiving signal except for the frequency band, only signals within the frequency band included in the single frequency receiving signal are reserved, then the filter 2012 transmits the single frequency receiving signal to the input interface of the rf chip 2013, and the input interface of the rf chip 2013 receives the single frequency receiving signal transmitted by the output interface of the filter 2012, the rf chip 2013 demodulates the single-frequency received signal, and applies the demodulated single-frequency received signal to a mobile terminal for communication.
In one embodiment, referring to fig. 3, the rf chip 2013 modulates the transmit signal to generate a single frequency transmit signal, the output interface of the rf chip 2013 transmits the single frequency transmit signal to the input interface of the power amplifier 2014, the power amplifier 2014 amplifies the power of the single frequency transmit signal to a certain degree so that the antenna of the mobile terminal can transmit the single frequency transmit signal to a remote location, the output interface of the power amplifier 2014 transmits the single frequency transmit signal to the input interface of the duplexer 2011, the duplexer 2011 distinguishes the single frequency transmit signal from the single frequency receive signal, and the output interface of the duplexer 2011 transmits the single frequency transmit signal to the frequency conversion module 202.
In some embodiments, referring to fig. 3, the antenna module 203 is electrically connected to the frequency conversion module 202.
In one embodiment, referring to fig. 3, the antenna module 203 is configured to receive the multiple frequency receiving signal, transmit the multiple frequency receiving signal to the frequency conversion module 202, and receive the multiple frequency transmitting signal transmitted by the frequency conversion module 202.
In one embodiment, referring to fig. 3, antenna module 203 includes a main set antenna and a diversity antenna, wherein the diversity antenna is used for receiving the multifrequency receiving signal, and the main set antenna is used for receiving the multifrequency receiving signal and transmitting the multifrequency transmitting signal.
The radio frequency structure provided by the invention adopting the structure comprises a frequency conversion module 202, an antenna module 203 and a signal processing module 201, wherein the antenna module 203 is electrically connected with an input interface of the frequency conversion module 202, an output end interface of the frequency conversion module 202 is electrically connected with an input interface of a duplexer 2011, an output interface of the duplexer 2011 is electrically connected with an input interface of a filter 2012, an output interface of the filter 2012 is electrically connected with an input interface of a radio frequency chip 2013, an output interface of the radio frequency chip 2013 is electrically connected with an input interface of a power amplifier 2014, an output interface of the power amplifier 2014 is electrically connected with an input interface of a duplexer 2011, an output interface of the duplexer 2011 is electrically connected with an input interface of the frequency conversion module 202, an output module of the frequency conversion module 202 is electrically connected with the antenna module 203, and the antenna module 203 receives a multi-frequency receiving signal transmitted remotely, the antenna module 203 transmits the multi-frequency receiving signal to the input interface of the frequency conversion module 202, the frequency conversion module 202 converts the multi-frequency receiving signal transmitted by the antenna module 203 into a single-frequency receiving signal and transmits the single-frequency receiving signal to the input interface of the duplexer 2011 included in the signal processing module 201, the input interface 2011 of the duplexer 2011 receives the single-frequency receiving signal transmitted by the output interface of the frequency conversion module 202, the duplexer 2011 transmits the single-frequency receiving signal to the input interface of the filter 2012, the input interface of the filter 2012 receives the single-frequency receiving signal transmitted by the output interface of the duplexer 2011, the filter 2012 filters out signals of the single-frequency receiving signal except for the frequency band included in the single-frequency receiving signal, only the signals within the frequency band included in the single-frequency receiving signal are retained, and then the filter 2012 transmits the single-frequency receiving signal to the input interface of the rf chip 2013, the input interface of the rf chip 2013 receives the single frequency receiving signal transmitted by the output interface of the filter 2012, the rf chip 2013 demodulates the single frequency receiving signal, the demodulated single frequency receiving signal is applied to the communication with the mobile terminal, the rf chip 2013 modulates the transmitting signal to generate a single frequency transmitting signal, the output interface of the rf chip 2013 transmits the single frequency transmitting signal to the input interface of the power amplifier 2014, the power amplifier 2014 amplifies the power of the single frequency transmitting signal to a certain degree so that the antenna of the mobile terminal can transmit the single frequency transmitting signal to a remote location, the output interface of the power amplifier 2014 transmits the single frequency transmitting signal to the input interface of the duplexer 2011, the duplexer 2011 distinguishes the single frequency transmitting signal from the single frequency receiving signal, and the output interface of the duplexer 2011 transmits the single frequency transmitting signal to the frequency conversion module 202, the input port of the frequency conversion module 202 receives the single frequency transmission signal transmitted by the duplexer 2011, then the frequency conversion module 202 converts the single frequency transmission signal into a multi-frequency transmission signal, then the output interface of the frequency conversion module 202 transmits the multi-frequency transmission signal to the antenna module 203, the antenna module 203 transmits the multi-frequency transmission signal to a remote location for communication, the frequency conversion module 202 is applied to the radio frequency structure 20 to convert the frequency of the signal, components and channels of the radio frequency structure 20 are reduced, and the radio frequency structure 20 is simpler.
Accordingly, the embodiment of the present invention further provides a mobile terminal 30, please refer to fig. 4 and fig. 5 together.
The terminal 30 may include a cover plate 11, a display 12, a printed circuit board 13, and a housing 14. Further, the terminal 30 may also include a power supply 15. The display screen 12 may be electrically connected to the printed circuit board 13 via a flexible printed circuit. The printed circuit board 13 is disposed within the housing 14. The radio frequency structure 20 may specifically be disposed within the housing 14.
The terminal 30 may further include functional components such as a sensor, a fingerprint module, and the like. Those skilled in the art will appreciate that the configuration of terminal body 30 of fig. 4 is not intended to be limiting of the terminal body of the present application and may include more or fewer components, or some combination of components, or a different arrangement of components.
In some embodiments, the cover plate 11 may be disposed in front of the display screen 12. In the present embodiment, "front" refers to a direction in which a side of the display screen 12 on which information is displayed faces, and "rear" refers to a direction opposite to "front".
The cover plate 11 may have an exposed area 11 exposing information displayed on the display screen 12, and a non-exposed area 12 blocking external visibility. The non-exposed region 12 may include a light shielding layer, for example, a black pad layer, so that the inside of the terminal 30 may not be visible. In some embodiments, the light shielding layer is an ink layer.
The display 12 is used for displaying an electronic document on a screen, and the display 12 can display information such as an image, a video, or a text. Display 12 may include a front surface that displays information, and a rear surface on the opposite side of the front surface.
In some embodiments, as shown in FIG. 5, display screen 12 may include a display area 121 for displaying information and a non-display area 122 where no information is displayed. The display area 121 may be used as a main display area of the display 12 for displaying most of the information. The non-display area 122 may be disposed outside the display area 121. The non-display area 122 may be used to provide an IC (Integrated Circuit) for controlling the display of information on the display screen 12. The non-exposed area 12 of the cover panel 11 may be disposed in front of the non-display area 122 of the display screen 12 and prevent the non-display area 122 of the display screen 12 from being seen from the outside.
In some embodiments, referring to fig. 4 and 5, fig. 4 is a front view of terminal 30. As shown in fig. 4, the display 12 may be a bezel-less display. That is, the display 12 may include only the display area 121 and not the non-display area 122 to achieve a larger screen display.
The housing 14 may be composed of a single component or a plurality of components that may be assembled. As shown in fig. 5, the housing 14 may include a side wall surface and a back surface connected to the side wall surface. The housing 14 is made of at least one material of a plastic material, a ceramic material, and a metal material. In some embodiments, the display screen 12 may be housed in the case 14, connected to a side wall surface of the case 14 while opposing a rear surface of the case 14 to constitute a closed space.
In some embodiments, terminal 30 includes a front face and a sidewall face connected to the front face. In practice, the display 12 may be the front face 12 of the terminal 30, and the side wall face of the housing 14 is the side wall face of the terminal 30.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The radio frequency structure and the mobile terminal provided by the embodiment of the present invention are described in detail above, and a specific example is applied in the description to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A radio frequency structure, comprising:
the frequency conversion module is electrically connected with the antenna module and the signal processing module, and is used for receiving multifrequency receiving signals transmitted by the antenna module, converting the multifrequency receiving signals into single frequency receiving signals and transmitting the single frequency receiving signals to the signal processing module, receiving single frequency transmitting signals transmitted by the signal processing module, and converting the single frequency transmitting signals into multifrequency transmitting signals and transmitting the multifrequency transmitting signals to the antenna module.
2. The radio frequency structure of claim 1, wherein the single frequency receive signal has a frequency that is the same as or different from a frequency included in the multi-frequency receive signal, and wherein the single frequency transmit signal has a frequency that is the same as or different from a frequency included in the multi-frequency transmit signal.
3. The radio frequency architecture of claim 1, wherein the signal processing module includes a duplexer, a filter, a radio frequency chip, and a power amplifier.
4. The radio frequency structure according to claim 3, wherein the duplexer is electrically connected to the frequency conversion module, the filter and the power amplifier, and configured to receive the single frequency receive signal transmitted by the frequency conversion module, transmit the single frequency receive signal to the filter, receive the single frequency transmit signal transmitted by the power amplifier, and transmit the single frequency transmit signal to the frequency conversion module.
5. The radio frequency fabric of claim 3, wherein the diplexer is configured to isolate the single frequency receive signal from the single frequency transmit signal.
6. The RF structure of claim 3, wherein the filter is electrically connected to the duplexer and the RF chip, and configured to receive the single-frequency receiving signal transmitted by the duplexer and transmit the single-frequency receiving signal to the RF chip.
7. The rf structure of claim 3, wherein the rf chip is electrically connected to the filter and the power amplifier, and configured to receive the single-frequency receiving signal transmitted by the filter and transmit the single-frequency transmitting signal to the power amplifier.
8. The radio frequency structure of claim 3, wherein the radio frequency chip is configured to demodulate the single frequency receive signal and modulate the single frequency transmit signal.
9. The radio frequency structure according to claim 3, wherein the power amplifier is electrically connected to the duplexer and the radio frequency chip, and configured to receive the single frequency transmitting signal transmitted by the radio frequency chip and transmit the single frequency transmitting signal to the duplexer.
10. A mobile terminal characterized in that it comprises a radio frequency structure according to any of claims 1 to 9.
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| CN202010797266.9A CN111953358A (en) | 2020-08-10 | 2020-08-10 | Radio frequency structure and mobile terminal |
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| CN202010797266.9A CN111953358A (en) | 2020-08-10 | 2020-08-10 | Radio frequency structure and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300734A (en) * | 2021-05-10 | 2021-08-24 | Tcl通讯（宁波）有限公司 | Radio frequency antenna device, signal receiving and transmitting method of radio frequency antenna device and mobile terminal |
| CN115065373A (en) * | 2022-04-21 | 2022-09-16 | 海能达通信股份有限公司 | Multi-slot transceiver and multi-slot communication method |
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| CN115065373A (en) * | 2022-04-21 | 2022-09-16 | 海能达通信股份有限公司 | Multi-slot transceiver and multi-slot communication method |
| CN115065373B (en) * | 2022-04-21 | 2023-12-12 | 海能达通信股份有限公司 | Multi-slot transceiver and multi-slot communication method |
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Application publication date: 20201117 |