CN112769450B - Radio frequency circuit and electronic equipment - Google Patents
Radio frequency circuit and electronic equipment Download PDFInfo
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- CN112769450B CN112769450B CN202110081291.1A CN202110081291A CN112769450B CN 112769450 B CN112769450 B CN 112769450B CN 202110081291 A CN202110081291 A CN 202110081291A CN 112769450 B CN112769450 B CN 112769450B
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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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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Abstract
The application discloses radio frequency circuit and electronic equipment, this radio frequency circuit includes: the radio frequency transceiver is electrically connected with the first end of the first radio frequency module, the first end of the second radio frequency module and the first end of the third radio frequency module respectively; a first port of the combining module can be electrically connected with a second end of the first radio frequency module or a second end of the second radio frequency module through a first switch component, a second port of the combining module is electrically connected with a second end of the third radio frequency module, and a third port of the combining module is electrically connected with the first antenna; under the condition that the first antenna receives the first radio frequency signal and the second radio frequency signal, the combining module is used for transmitting the first radio frequency signal to the third radio frequency module and transmitting the second radio frequency signal to the first radio frequency module or the third radio frequency module. This may reduce the number of antennas of the radio frequency circuit.
Description
Technical Field
The application belongs to the technical field of antennas, and particularly relates to a radio frequency circuit and electronic equipment.
Background
At present, in an endec (Long Term Evolution and New air interface Dual Connectivity) scenario, in order to satisfy that LTE (Long Term Evolution) and NR (New air interface) do not conflict with each other in signal path configuration and antenna path configuration, an electronic device such as a mobile phone generally adopts a 6-antenna design scheme, and in the 6-antenna design scheme, LTE diversity reception and NR diversity reception respectively correspond to one antenna. However, as the integrated functions of electronic devices such as mobile phones become more and more, the space available for mounting antennas on the electronic devices also becomes smaller and smaller; also, the greater the number of antennas, the greater the sacrifice to the appearance of the electronic device.
Therefore, in the ENDC scene, the number of antennas required by the radio frequency circuit is large.
Disclosure of Invention
The application aims to provide a radio frequency circuit and electronic equipment, and the problem that in an ENDC scene, the number of antennas required by the radio frequency circuit is large can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a radio frequency circuit, which is applied to a long term evolution and new air interface dual connectivity endec scenario, and includes:
a radio frequency transceiver, a first radio frequency module, a second radio frequency module, a third radio frequency module, a combining module, a first switch component and a first antenna,
the radio frequency transceiver is electrically connected with the first end of the first radio frequency module, the first end of the second radio frequency module and the first end of the third radio frequency module respectively;
a first port of the combining module may be electrically connected to a second end of the first radio frequency module or a second end of the second radio frequency module through the first switch component, a second port of the combining module is electrically connected to a second end of the third radio frequency module, and a third port of the combining module is electrically connected to the first antenna;
the combining module is configured to transmit the first radio frequency signal to the third radio frequency module and transmit the second radio frequency signal to the first radio frequency module or the third radio frequency module when the first antenna receives the first radio frequency signal and the second radio frequency signal.
In a second aspect, an embodiment of the present application provides an electronic device, including the radio frequency circuit described in the first aspect.
In the embodiment of the application, in an application scenario of the endec, by setting the combining module, when the first antenna receives the first radio frequency signal and the second radio frequency signal, the combining module may transmit the first radio frequency signal to the third radio frequency module, and may also transmit the second radio frequency signal to the first radio frequency module or the second radio frequency module, so as to implement reception of the first radio frequency signal and the second radio frequency signal, and avoid interference of the first radio frequency signal and the second radio frequency signal in a receiving process, thereby effectively improving a receiving and transmitting effect of the antenna. In addition, the combination module realizes that the first antenna can simultaneously receive two paths of radio frequency signals, namely, the receiving and transmitting functions of the radio frequency circuit can be realized by arranging one less antenna, thereby achieving the purpose of reducing the number of the antennas of the radio frequency circuit.
Moreover, due to the arrangement of the combining module, the first antenna can simultaneously receive two paths of radio frequency signals, and the two paths of radio frequency signals cannot interfere with each other; therefore, the radio frequency circuit in the application is provided with 5 antennas, so that the transceiving function of the radio frequency circuit under the ENDC scene can be realized, and compared with the prior art in which 6 antennas are required to be arranged, the number of the antennas of the radio frequency circuit is effectively reduced.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is one of the structural diagrams of a radio frequency circuit provided in an embodiment of the present application;
fig. 2 is one of the structural diagrams of the combining module provided in the embodiment of the present application;
fig. 3 is a second structural diagram of a combining module according to an embodiment of the present application;
fig. 4 is a third structural diagram of a combining module according to the embodiment of the present application;
fig. 5 is a second block diagram of a radio frequency circuit according to an embodiment of the present application;
fig. 6 is a third block diagram of a radio frequency circuit according to an embodiment of the present invention;
FIG. 7 is a block diagram of an RF circuit according to an embodiment of the present application;
fig. 8 is a fifth structural diagram of a radio frequency circuit according to an embodiment of the present application;
fig. 9 is a sixth structural diagram of a radio frequency circuit according to an embodiment of the present application;
fig. 10 is a seventh block diagram of a radio frequency circuit provided in an embodiment of the present application;
fig. 11 is an eighth block diagram of a radio frequency circuit provided in an embodiment of the present application;
fig. 12 is a ninth block diagram of a radio frequency circuit according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. 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 application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
As shown in fig. 1, an embodiment of the present application provides a radio frequency circuit, which may be applied in an endec scenario, and the radio frequency circuit includes:
a radio frequency transceiver 10, a first radio frequency module 21, a second radio frequency module 22, a third radio frequency module 23, a combining module 30, a first switch component 41 and a first antenna 51, wherein,
the radio frequency transceiver 10 is electrically connected to the first end of the first radio frequency module 21, the first end of the second radio frequency module 22, and the first end of the third radio frequency module 23, respectively;
a first port of the combining module 30 may be electrically connected to the second end of the first rf module 21 or the second end of the second rf module 22 through the first switch component 41, a second port of the combining module 30 is electrically connected to the second end of the third rf module 23, and a third port of the combining module 30 is electrically connected to the first antenna 51;
when the first antenna 51 receives the first radio frequency signal and the second radio frequency signal, the combining module 30 is configured to transmit the first radio frequency signal to the third radio frequency module 23, and transmit the second radio frequency signal to the first radio frequency module 21 or the second radio frequency module 22.
In this embodiment, in an application scenario of the endec, by setting the combining module 30, when the first antenna 51 receives the first radio frequency signal and the second radio frequency signal, the combining module 30 may transmit the first radio frequency signal to the third radio frequency module 23, and the combining module 30 may further transmit the second radio frequency signal to the first radio frequency module 21 or the second radio frequency module 22, so as to implement receiving of the first radio frequency signal and the second radio frequency signal, and avoid interference of the first radio frequency signal and the second radio frequency signal in a receiving process, thereby effectively improving a receiving and transmitting effect of the antenna. Moreover, the combination module 30 is configured to enable the first antenna 51 to receive two paths of radio frequency signals simultaneously, that is, to enable the receiving and transmitting functions of the radio frequency circuit to be achieved by setting less one antenna, so as to achieve the purpose of reducing the number of antennas of the radio frequency circuit.
Moreover, due to the arrangement of the combining module 30, the first antenna 51 can receive two paths of radio frequency signals simultaneously, and the two paths of radio frequency signals do not interfere with each other; therefore, the radio frequency circuit in the application is provided with 5 antennas, so that the transceiving function of the radio frequency circuit under the ENDC scene can be realized, and compared with the prior art in which 6 antennas are required to be arranged, the number of the antennas of the radio frequency circuit is effectively reduced.
As shown in fig. 1, in the radio frequency circuit with 5-antenna architecture, the radio frequency circuit further includes a second antenna 52, a third antenna 53, a fourth antenna 54, a fifth antenna 55, a fourth radio frequency module 24, a fifth radio frequency module 25, a sixth radio frequency module 26, a seventh radio frequency module 27, an eighth radio frequency module 28, a second switch assembly 42, a third switch assembly 43, a fourth switch assembly 44, and a fifth switch assembly 45;
a first end of the fourth rf module 24 is electrically connected to the rf transceiver 10, and a second end of the fourth rf module 24 is electrically connected to a first moving end of the second switch component 42;
a first end of the fifth rf module 25 is electrically connected to the rf transceiver 10, and a second end of the fifth rf module 25 is electrically connected to a second moving end of the second switch component 42;
a first end of the sixth rf module 26 is electrically connected to the rf transceiver 10, and a second end of the sixth rf module 26 is electrically connected to a first end of the third switch component 43;
a first end of the seventh rf module 27 is electrically connected to the rf transceiver 10, and a second end of the seventh rf module 27 is electrically connected to the first moving end of the fourth switch component 44;
a first end of the eighth rf module 28 is electrically connected to the rf transceiver 10, and a second end of the eighth rf module 28 is electrically connected to the second moving end of the fourth switch assembly 44;
the third port of the combining module 30 is electrically connected to the second end of the third switch component 43;
the first rf module 21 may be electrically connected to the third moving end of the second switch assembly 42 through the first switch assembly 41, the first rf module 21 may be electrically connected to the third moving end of the fourth switch assembly 44 through the first switch assembly 41, and the first rf module 21 may also be electrically connected to the fifth antenna 55 through the first switch assembly 41;
the third terminal of the third switching element 43 is electrically connected to the stationary terminal of the fourth switching element 44, the fourth terminal of the third switching element 43 is electrically connected to the first terminal of the fifth switching element 45, the fifth terminal of the third switching element 43 is electrically connected to the fourth antenna 54, and the sixth terminal of the third switching element 43 is electrically connected to the first antenna 51;
a second terminal of the fifth switch element 45 is electrically connected to the stationary terminal of the second switch element 42, a third terminal of the fifth switch element 45 is electrically connected to the third antenna 53, and a fourth terminal of the fifth switch element 45 is electrically connected to the second antenna 52.
The second switch assembly 42 may be a single-pole four-throw switch, and the fourth moving end thereof is disposed in an air-suspension manner; the third switch assembly 43 may be a three pole, three throw switch; the fourth switch assembly 44 may be a single-pole four-throw switch, and the fourth moving end thereof is disposed in an air-suspension manner; the fifth switch assembly 45 may be a double pole double throw switch.
In addition, the second switch assembly 42 and the fourth switch assembly 44 may also be single pole, triple throw switches.
In the radio frequency circuit, through the setting of the combining module 30, in the process of transmitting radio frequency signals in turn, the logic state of the third switch component 43 does not change, and then it can be ensured that the situation of passive switching does not occur in the LTE signal path, thereby realizing the receiving and transmitting functions of the radio frequency circuit in the situation of setting 5 antennas and also realizing the endec.
Optionally, the first radio frequency signal is an LTE radio frequency signal, and the second radio frequency signal is an N41 radio frequency signal.
In one embodiment, when the second end of the fourth rf module 24 is electrically connected to the second antenna 52 through the second switch component 42 and the fifth switch component 45, the second antenna 52 is used for LTE diversity reception; in the case that the second end of the fifth radio frequency module 25 is electrically connected to the second antenna 52 through the second switch component 42 and the fifth switch component 45, the second antenna 52 is used for LTE diversity reception or N41 diversity reception; with the second end of the sixth radio frequency module 26 electrically connected to the fourth antenna 54 through the third switching component 43, the fourth antenna 54 is used for LTE radio frequency transmission or reception; in the case that the second end of the seventh radio frequency module 27 is electrically connected to the third antenna 53 through the third switch component 43 and the fifth switch component 45, the third antenna 53 is used for LTE major set reception; in a case where the second terminal of the eighth radio frequency module 28 is electrically connected to the third antenna 53 through the third switching component 43 and the fifth switching component 45, the third antenna 53 is used for LTE or N41 major set reception.
In addition, the second end of the first rf module 21 may be electrically connected to the first antenna 51, the second antenna 52, the third antenna 53, or the fifth antenna 55 through the first switch component 41, the second switch component 42, the third switch component 43, the fourth switch component 44, the fifth switch component 45, and the combining module 30, so as to implement the round sending of the N41 rf signal.
Accordingly, in the case that the second end of the second rf module 22 is electrically connected to the first antenna 51 through the combining module 30 and the third switch assembly 43, the first antenna 51 is used for N41 diversity reception; when the second end of the third rf module 23 is electrically connected to the first antenna 51 through the combining module 30 and the third switch module 43, the first antenna 51 performs LTE diversity reception.
As shown in fig. 2, the combining module 30 includes a first combiner 31 and a first switch 32, a first end of the first combiner 31 is electrically connected to the first port, a second end of the first combiner 31 is electrically connected to the second port, and a third end of the first combiner 31 is electrically connected to the third port; a first terminal of the first switch 32 is electrically connected to the second port, and a second terminal of the first switch 32 is electrically connected to the third port.
In this embodiment, the first combiner 31 includes a first filter and a second filter, a first end of the first filter is electrically connected to the first port, a second end of the first filter is electrically connected to the third port, a first end of the second filter is electrically connected to the second port, and a second end of the second filter is electrically connected to the third port; moreover, the first filter can be used for filtering frequencies except 2496 MHz-2690 MHz and can cover B41/N41 equal frequency bands; the second filter is used for filtering frequencies except 1710 MHz-2170 MHz, and can cover B3/B39 and other frequency bands, so that the radio frequency circuit can meet the radio frequency switching requirement of B3/B39+ N41.
When the first switch 32 is in the on state, the second filter is in the short-circuit state, and the third rf module 23 is directly electrically connected to the first antenna 51 through the third switch component 43; when the first switch 32 is in the off state, the third rf module 23 is electrically connected to the first antenna 51 through the second filter and third switch component 43.
Moreover, in a single LTE scenario, by controlling the first switch 32 to be in a conducting state, it is also possible to prevent the radio frequency signal received by the first antenna 51 from being transmitted to the third radio frequency module 23 through the second filter, reduce the loss of the radio frequency signal transmitted in the second filter, and meet the requirement of LTE four-antenna switching.
In addition, the first combiner 31 and the first switch 32 may be integrated to simplify the circuit connection of the radio frequency circuit.
As shown in fig. 3, the combining module 30 includes a second combiner 33, a second switch 34 and a third switch 35, wherein a stationary end of the second switch 34 is electrically connected to the second port, a first moving end of the second switch 34 is electrically connected to the second end of the second combiner 33, a second moving end of the second switch 34 is electrically connected to a first moving end of the third switch 35, a second moving end of the third switch 35 is electrically connected to the third end of the second combiner 33, a stationary end of the third switch 35 is electrically connected to the third port, and a first end of the second combiner 33 is electrically connected to the first port.
In this embodiment, the second combiner 33 includes a third filter and a fourth filter, a first end of the third filter is electrically connected to the first port, a second end of the third filter is electrically connected to the third port, a first end of the fourth filter is electrically connected to the second port, and a second end of the fourth filter is electrically connected to the third port; moreover, the third filter can be used for filtering frequencies except 2496 MHz-2690 MHz and can cover B41/N41 equal frequency bands; the fourth filter is used for filtering frequencies except 1710 MHz-2170 MHz, and can cover B3/B39 and other frequency bands, so that the radio frequency circuit can meet the radio frequency switching requirement of B3/B39+ N41.
In the case that the fixed end of the second switch 34 is communicated with the second movable end of the second switch 34, and the fixed end of the third switch 35 is communicated with the first movable end of the fourth switch 35, that is, the second end of the third rf module 23 can be directly electrically connected with the second end of the third switch assembly 43 through the second switch 34 and the third switch 35; and in the case that the stationary end of the second switch 34 is communicated with the first movable end of the second switch 34 and the stationary end of the third switch 35 is communicated with the second movable end of the fourth switch 35, that is, the second end of the third rf module 23 may be electrically connected with the second end of the third switch assembly 43 through the fourth filter.
Moreover, under the condition that the fixed end of the second switch 34 is communicated with the second movable end of the second switch 34, and the fixed end of the third switch 35 is communicated with the first movable end of the fourth switch 35, the radio frequency signal received by the first antenna 51 can be prevented from being transmitted to the third radio frequency module 23 through the fourth filter, the loss of the radio frequency signal transmitted in the fourth filter can be reduced, and the requirement of the LTE four-antenna switching can be met.
Wherein the second switch 34 and the third switch 35 may be single pole double throw switches.
As shown in fig. 4, the combining module 30 includes a third combiner 36 and a fourth switch 37, wherein:
a first end of the fourth switch 37 is electrically connected with the first port, a second end of the fourth switch 37 is electrically connected with a second end of the third circuit combiner 36, a third end of the fourth switch 37 is electrically connected with a third end of the third circuit combiner 36, a fourth end of the fourth switch 37 is electrically connected with the third port, and a first end of the third circuit combiner 36 is electrically connected with the first port;
with the fourth switch 37 in the first switching state, a first end of the fourth switch 37 communicates with a second end of the fourth switch 37, and a third end of the fourth switch 37 communicates with a fourth end of the fourth switch 37;
in the case that the fourth switch 37 is in the second switching state, the first end of the fourth switch 37 is communicated with the fourth end of the fourth switch 37, and the third end of the fourth switch 37 is disconnected from the fourth end of the fourth switch 37.
In this embodiment, the third combiner 36 includes a fifth filter and a sixth filter, wherein a first end of the fifth filter is electrically connected to the first port, a second end of the fifth filter is electrically connected to the third port, a first end of the sixth filter is electrically connected to the second port, and a second end of the sixth filter is electrically connected to the third port; moreover, the fifth filter can be used for filtering frequencies except 2496 MHz-2690 MHz and can cover B41/N41 equal frequency bands; the sixth filter is used for filtering frequencies except 1710 MHz-2170 MHz, and can cover B3/B39 and other frequency bands, so that the radio frequency circuit can meet the radio frequency switching requirement of B3/B39+ N41.
In addition, in the present embodiment, the fourth switch 37 can achieve the same effect as the second switch 34 and the third switch 35 in fig. 3, and details are not repeated here.
As shown in fig. 5, the first switch assembly 41 includes a fifth switch 411 and a sixth switch 412; the second terminal of the first rf module 21 is electrically connected to the first moving terminal of the sixth switch 412 through the fifth switch 411, the second terminal of the second rf module 22 is electrically connected to the second moving terminal of the sixth switch 412, and the stationary terminal of the sixth switch 412 is electrically connected to the first port.
In this embodiment, the fifth switch 411 may be a single-pole four-throw switch, and the first rf module 21 may be electrically connected to the first antenna 51, the second antenna 52, the third antenna 53, or the fifth antenna 55 through the fifth switch 411, so as to implement the round transmission of the N41 rf signal; the sixth switch 412 may be a single-pole double-throw switch for switching the electrical connection of the first and second rf modules 21 and 21 to the first port.
As shown in fig. 6, a first fixed end of the first switch component 41 is electrically connected to a second end of the first rf module 21, a second fixed end of the first switch component 41 is electrically connected to a second end of the second rf module 22, and a first movable end of the first switch component 41 is electrically connected to the first port;
under the condition that the first fixed end of the first switch component 41 is communicated with the first movable end of the first switch component 41, the second end of the first rf module 21 is communicated with the first port; in the case where the second stationary end of the first switch assembly 41 communicates with the first movable end of the first switch assembly 41, the second end of the second rf module 22 communicates with the first port.
In this embodiment, the first switch component 41 may be a double-pole four-throw switch, so that the first rf module 21 may be electrically connected to the first antenna 51, the second antenna 52, the third antenna 53, or the fifth antenna 55 through the first switch component 41, thereby implementing the round-robin transmission of the N41 rf signals; switching the electrical connection of the first and second rf modules 21 and 21 to the first port may also be achieved by the first switch assembly 41.
In addition, the structure of the combining module 30 may be further simplified by optimizing the frequency range of the combining module 30.
In one embodiment, the radio frequency circuit may cover frequency bands of B1/B2/B3/B34/B39/B40 and frequency bands of B41/B38/N41/B7 under the condition that the frequency range of the combining module 30 is 1710MHz to 2400MHz and 2496MHz to 2690 MHz; wherein, B7 RX is 2620 MHz-2690 MHz.
Moreover, under the condition of adopting the combining module with the frequency ranges of 1710 MHz-2400 MHz and 2496 MHz-2690 MHz, a change-over switch is not required to be arranged in the combining module, only a combiner is required to be arranged, and the purpose of simplifying the structure of the combining module is achieved.
Wherein, under the condition that the radio frequency circuit works at B1/B3, the switch state of the radio frequency circuit is as shown in FIG. 7 or FIG. 8; in the case of the radio frequency circuit operating at B7/B41, the switching state of the radio frequency circuit is as shown in fig. 9 or fig. 10; in the case where the radio frequency circuit operates in the endec scenario of B3+ N41 or B39+ N41, the switching state of the radio frequency circuit is as shown in fig. 11 or fig. 12, and the first switch element 41 is used as an SRS (Sounding Reference Signal) switch and switches at the recurring time slot of N41.
The embodiment of the application also provides electronic equipment which comprises the radio frequency circuit.
It should be noted that the implementation manner of the foregoing radio frequency circuit embodiment is also applicable to the embodiment of the electronic device, and can achieve the same technical effect, and details are not described herein again.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A radio frequency circuit applied to a long term evolution and new air interface dual connectivity ENDC scenario, comprising:
a radio frequency transceiver, a first radio frequency module, a second radio frequency module, a third radio frequency module, a combining module, a first switch component and a first antenna,
the radio frequency transceiver is electrically connected with the first end of the first radio frequency module, the first end of the second radio frequency module and the first end of the third radio frequency module respectively;
a first port of the combining module may be electrically connected to a second end of the first radio frequency module or a second end of the second radio frequency module through the first switch component, a second port of the combining module is electrically connected to a second end of the third radio frequency module, and a third port of the combining module is electrically connected to the first antenna;
the combining module is used for transmitting the first radio-frequency signal to the third radio-frequency module and transmitting the second radio-frequency signal to the first radio-frequency module or the second radio-frequency module under the condition that the first antenna receives the first radio-frequency signal and the second radio-frequency signal;
the combining module comprises a first combiner and a first switch, wherein,
a first end of the first combiner is electrically connected with the first port, a second end of the first combiner is electrically connected with the second port, and a third end of the first combiner is electrically connected with the third port;
the first end of the first switch is electrically connected with the second port, and the second end of the first switch is electrically connected with the third port.
2. The radio frequency circuit of claim 1, wherein the first combiner is integrally disposed with the first switch.
3. The radio frequency circuit of claim 1, wherein the combining block further comprises a second combiner, a second switch, and a third switch, wherein,
the fixed end of the second switch is electrically connected with the second port, the first movable end of the second switch is electrically connected with the second end of the second combiner, the second movable end of the second switch is electrically connected with the first movable end of the third switch, the second movable end of the third switch is electrically connected with the third end of the second combiner, the fixed end of the third switch is electrically connected with the third port, and the first end of the second combiner is electrically connected with the first port.
4. The radio frequency circuit of claim 1, wherein the combining module further comprises a third combiner and a fourth switch, wherein,
a first end of the fourth switch is electrically connected with the first port, a second end of the fourth switch is electrically connected with a second end of the third combiner, a third end of the fourth switch is electrically connected with a third end of the third combiner, a fourth end of the fourth switch is electrically connected with the third port, and a first end of the third combiner is electrically connected with the first port;
under the condition that the fourth switch is in a first switching state, a first end of the fourth switch is communicated with a second end of the fourth switch, and a third end of the fourth switch is communicated with a fourth end of the fourth switch;
and under the condition that the fourth switch is in a second switching state, the first end of the fourth switch is communicated with the fourth end of the fourth switch, and the third end of the fourth switch and the fourth end of the fourth switch are in a disconnected state.
5. The radio frequency circuit according to any one of claims 1 to 4, wherein the first switch assembly comprises a fifth switch and a sixth switch;
the second end of the first radio frequency module is electrically connected with the first movable end of the sixth switch through the fifth switch, the second end of the second radio frequency module is electrically connected with the second movable end of the sixth switch, and the immovable end of the sixth switch is electrically connected with the first port.
6. The RF circuit according to any one of claims 1 to 4, wherein the first stationary terminal of the first switch assembly is electrically connected to the second terminal of the first RF module, the second stationary terminal of the first switch assembly is electrically connected to the second terminal of the second RF module, and the first movable terminal of the first switch assembly is electrically connected to the first port;
under the condition that the first fixed end of the first switch assembly is communicated with the first movable end of the first switch assembly, the second end of the first radio frequency module is communicated with the first port; and under the condition that the second fixed end of the first switch assembly is communicated with the first movable end of the first switch assembly, the second end of the second radio frequency module is communicated with the first port.
7. The radio frequency circuit according to any of claims 1 to 4, wherein the first radio frequency signal is a Long Term Evolution (LTE) radio frequency signal and the second radio frequency signal is an N41 radio frequency signal.
8. An electronic device comprising a radio frequency circuit as claimed in any one of claims 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081291.1A CN112769450B (en) | 2021-01-21 | 2021-01-21 | Radio frequency circuit and electronic equipment |
| PCT/CN2022/071959 WO2022156599A1 (en) | 2021-01-21 | 2022-01-14 | Radio frequency circuit and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081291.1A CN112769450B (en) | 2021-01-21 | 2021-01-21 | Radio frequency circuit and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112769450A CN112769450A (en) | 2021-05-07 |
| CN112769450B true CN112769450B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110081291.1A Active CN112769450B (en) | 2021-01-21 | 2021-01-21 | Radio frequency circuit and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN112769450B (en) |
| WO (1) | WO2022156599A1 (en) |
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| CN112769450B (en) * | 2021-01-21 | 2022-08-02 | 维沃移动通信有限公司 | Radio frequency circuit and electronic equipment |
| CN113437993B (en) * | 2021-05-11 | 2023-08-08 | 荣耀终端有限公司 | Radio frequency circuit and control method |
| CN113489503B (en) * | 2021-07-01 | 2022-09-27 | 维沃移动通信有限公司 | Radio frequency architecture and electronic device |
| CN114244394B (en) * | 2021-11-30 | 2022-10-21 | 荣耀终端有限公司 | Radio frequency front end module, terminal equipment and control method of radio frequency front end module |
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| CN111327344A (en) * | 2020-02-25 | 2020-06-23 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111970022A (en) * | 2020-08-24 | 2020-11-20 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
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| CN107070485A (en) * | 2017-05-10 | 2017-08-18 | 广东欧珀移动通信有限公司 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
| CN110546908B (en) * | 2017-05-10 | 2022-03-01 | Oppo广东移动通信有限公司 | Radio frequency circuit, antenna device and electronic equipment |
| CN107395216A (en) * | 2017-06-30 | 2017-11-24 | 广东欧珀移动通信有限公司 | Radio circuit, antenna assembly and electronic equipment |
| CN107332573B (en) * | 2017-07-25 | 2021-04-13 | Oppo广东移动通信有限公司 | Radio frequency circuit, antenna device and electronic equipment |
| JP2020205475A (en) * | 2019-06-14 | 2020-12-24 | 株式会社村田製作所 | Communication circuit and control method of communication circuit |
| CN110336577B (en) * | 2019-07-08 | 2021-03-19 | 维沃移动通信有限公司 | Radio frequency circuit and terminal equipment |
| CN111654316B (en) * | 2020-05-22 | 2022-01-07 | Oppo广东移动通信有限公司 | Antenna switching method and device, storage medium and electronic equipment |
| CN112134591A (en) * | 2020-09-24 | 2020-12-25 | Oppo广东移动通信有限公司 | Radio frequency circuit, control method of radio frequency circuit and electronic equipment |
| CN112769450B (en) * | 2021-01-21 | 2022-08-02 | 维沃移动通信有限公司 | Radio frequency circuit and electronic equipment |
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| CN111327344A (en) * | 2020-02-25 | 2020-06-23 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111970022A (en) * | 2020-08-24 | 2020-11-20 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
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| WO2022156599A1 (en) | 2022-07-28 |
| CN112769450A (en) | 2021-05-07 |
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