CN219514078U - Radio frequency circuit, radio frequency module and radio frequency device - Google Patents
Radio frequency circuit, radio frequency module and radio frequency device Download PDFInfo
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- CN219514078U CN219514078U CN202320883422.2U CN202320883422U CN219514078U CN 219514078 U CN219514078 U CN 219514078U CN 202320883422 U CN202320883422 U CN 202320883422U CN 219514078 U CN219514078 U CN 219514078U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides a radio frequency circuit, a radio frequency module and a radio frequency device, and belongs to the technical field of electronic circuits. The radio frequency circuit comprises: the device comprises a first radio frequency unit, a second radio frequency unit, a third radio frequency unit and a switch module, wherein the first radio frequency unit is used for sending or receiving a first radio frequency signal; the second radio frequency unit is used for sending or receiving a second radio frequency signal; the third radio frequency unit is used for sending or receiving a third radio frequency signal; the first input end of the switch module is used for being connected with the first power supply unit, the second input end of the switch module is used for being connected with the second power supply unit, the first output end of the switch module is connected with the first radio frequency unit, the second output end of the switch module is connected with the second radio frequency unit, the third output end of the switch module is connected with the third radio frequency unit, wherein the switch module is used for controlling the first power supply unit to supply power for the first target radio frequency unit and controlling the second power supply unit to supply power for the second target radio frequency unit according to the received control signal.
Description
Technical Field
The present utility model relates to the technical field of electronic circuits, and in particular, to a radio frequency circuit, a radio frequency module, and a radio frequency device.
Background
With the development of communication technology, the rf front-end technology is mature gradually, and the market puts more demands on ENDC combinations.
When the current mainstream platform is used for implementing ENDC (E-UTRAN New Radio-Dual Connectivity), the 4G PA and the 5G PA need to be powered by different power supply chips (e.g. 4G PA is powered by ET0 and 5G PA is powered by ET 1). For example, a certain 5G project (the key device includes a first rf unit, a second rf unit, a third rf unit, a power chip ET0, and a power chip ET 1) is made of the first rf unit+the second rf unit ENDC and the second rf unit+the third rf unit ENDC, and if the second rf unit is powered by ET0, the first rf unit and the third rf unit are powered by ET 1. At this time, the first rf unit and the third rf unit are powered by the same power chip, so that the combination of the first rf unit and the third rf unit ENDC cannot be realized. Therefore, it is difficult to realize a combination between any two ENDCs in the related art.
Disclosure of Invention
The utility model provides a radio frequency circuit, a radio frequency module and a radio frequency device, which are used for solving the problem that the combination between any two radio frequency units is difficult to realize in the prior art.
In a first aspect, the present utility model provides a radio frequency circuit comprising: the device comprises a first radio frequency unit, a second radio frequency unit, a third radio frequency unit and a switch module, wherein the first radio frequency unit is used for sending or receiving a first radio frequency signal; the second radio frequency unit is used for sending or receiving a second radio frequency signal; the third radio frequency unit is used for sending or receiving third radio frequency signals, wherein the first radio frequency signals, the second radio frequency signals and the third radio frequency signals are radio frequency signals with different frequency bands; the first input end of the switch module is used for being connected with a first power supply unit, the second input end of the switch module is used for being connected with a second power supply unit, the first output end of the switch module is connected with the first radio frequency unit, the second output end of the switch module is connected with the second radio frequency unit, the third output end of the switch module is connected with the third radio frequency unit, wherein the switch module is used for controlling the first power supply unit to supply power to the first target radio frequency unit and controlling the second power supply unit to supply power to the second target radio frequency unit according to a received control signal, and the first target radio frequency unit and the second target radio frequency unit are any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit.
In the embodiment of the utility model, the combination for supplying power to any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit is realized through the switch unit, and compared with the prior art, the combination realized by the scheme is richer, and the application range of the scheme is improved.
With reference to the foregoing technical solution provided in the first aspect, in some possible implementation manners, the control signals include a first control signal, a second control signal, a third control signal, and a fourth control signal; the switch module includes: the first end of the first switch branch is used for being connected with the first power supply unit, the second end of the first switch branch is connected with the first radio frequency unit, the third end of the first switch branch is used for receiving the first control signal, the first control signal is used for controlling the conduction state of the first switch branch, and when the first switch branch is in the conduction state, the first power supply unit supplies power for the first radio frequency unit; the first end of the second switch branch is used for being connected with the second power supply unit, the second end of the second switch branch is connected with the second radio frequency unit, the third end of the second switch branch is used for receiving the second control signal, the second control signal is used for controlling the conduction state of the second switch branch, and when the second switch branch is in the conduction state, the second power supply unit supplies power for the second radio frequency unit; the first end of the third switch branch is used for being connected with the first power supply unit, the second end of the third switch branch is used for being connected with the second power supply unit, the third end of the third switch branch is connected with the third radio frequency unit, the fourth end of the third switch branch is used for receiving a third control signal, the fifth end of the third switch branch is used for receiving a fourth control signal, the third control signal is used for controlling the conduction state of the first end of the third switch branch and the third end of the third switch branch, the fourth control signal is used for controlling the conduction state of the second end of the third switch branch and the third end of the third switch branch, and when the first end of the third switch branch is conducted with the third end, the first power supply unit supplies power to the third radio frequency unit; and when the second end and the third end of the third switch branch are conducted, the second power supply unit supplies power to the third radio frequency unit.
In the embodiment of the utility model, the first end of the third switch branch is controlled to be conducted with the third end through the third control signal, or the second end of the third switch branch is controlled to be conducted with the third end through the fourth control signal, so that the first power supply unit supplies power to the third radio frequency unit, or the second power supply unit supplies power to the third radio frequency unit. When the first radio frequency unit and the third radio frequency unit are needed to be combined, the second power supply unit is adopted to supply power for the third radio frequency unit; and when the second radio frequency unit and the third radio frequency unit are required to be combined, the first power supply unit is adopted to supply power to the third radio frequency unit. In addition, the first radio frequency unit is powered by the first power supply unit, and the second radio frequency unit is powered by the second power supply unit, so that any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit are combined.
With reference to the foregoing technical solution provided by the first aspect, in some possible implementation manners, the third switching leg includes: the first end of the first switch is connected with the first power supply unit, the second end of the first switch is used for receiving the third control signal, and the conduction state of the first switch is controlled through the third control signal; the first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving the fourth control signal, the conduction state of the second switch is controlled through the third control signal, the third end of the second switch is respectively connected with the third end of the first switch and the third radio frequency unit, and the first switch and the second switch are not conducted at the same time.
In the embodiment of the utility model, the third switch branch can be realized through two switches, so that the circuit design is simplified, and the cost of circuit manufacture is reduced.
With reference to the foregoing technical solution provided by the first aspect, in some possible implementation manners, the third switching leg further includes: the first gain power supply circuit is used for amplifying the voltage output by the first power supply unit; the first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining the voltage output by the second power supply unit.
In the embodiment of the utility model, the voltage output by the first power supply unit and the voltage output by the second power supply unit are respectively gained through the first gain power supply circuit and the second gain power supply circuit, so that the stability of the voltages output by the first power supply unit and the second power supply unit is improved.
With reference to the foregoing technical solutions of the first aspect, in some possible implementation manners, the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are LB (LB refers to a frequency band lower than 1000mhz, excluding 1000 mhz) PAMID (Power Amplifier) and FEMiD (FEMiD refers to an integrated radio frequency switch, a filter, and a duplexer), MHB (refer to a frequency band between 1000mhz and 3000mhz, including 1000mhz, excluding 3000 mhz) PAMID, and UHB (refer to any one of 3000mhz to 6000mhz, including 3000 mhz) PAMID), and the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are different types of radio frequency units.
In a second aspect, the present utility model provides a radio frequency module, comprising: the radio frequency unit is used for sending or receiving radio frequency signals; the first end of the switch unit is used for being connected with the first power supply unit, the second end of the switch unit is used for being connected with the second power supply unit, the third end of the switch unit is used for being connected with the radio frequency unit, and the switch unit is used for controlling the first power supply unit or the second power supply unit to supply power for the radio frequency unit according to the received control signal.
In the embodiment of the utility model, the switch unit is arranged in the radio frequency module, so that the first power supply unit or the second power supply unit can be controlled by the control signal to supply power to the radio frequency unit, and when the combination among different radio frequency modules is realized, the first power supply unit or the second power supply unit can be selected to supply power according to actual conditions, so that the combination among different radio frequency modules is richer.
With reference to the foregoing second aspect of the present utility model, in some possible implementations, the control signal includes a first control signal and a second control signal, and the switching unit includes: the first end of the first switch is used for being connected with the first power supply unit, the second end of the first switch is used for receiving the first control signal, and the conduction state of the first switch is controlled through the first control signal; the first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving the second control signal, the conduction state of the second switch is controlled through the second control signal, the third end of the second switch is respectively connected with the third end of the first switch and the radio frequency unit, and the first switch and the second switch are not conducted at the same time.
With reference to the foregoing technical solution provided by the second aspect, in some possible implementation manners, the switching unit further includes: the first gain power supply circuit is used for amplifying the voltage output by the first power supply unit; the first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining the voltage output by the second power supply unit.
In a third aspect, the present utility model provides a radio frequency device comprising: the first power supply unit, the second power supply unit, the first radio frequency module, the second radio frequency module and the third radio frequency module, wherein the third radio frequency module is the radio frequency module according to the second aspect and/or any one of the embodiments in combination with the second aspect; the first radio frequency module is connected with the first power supply unit, the second radio frequency module is connected with the second power supply unit, and the third radio frequency module is respectively connected with the first power supply unit and the second power supply unit.
With reference to the foregoing technical solutions of the third aspect, in some possible implementation manners, the first radio frequency module and the second radio frequency module are radio frequency modules of the second aspect and/or an embodiment of any one of the second aspect; the first radio frequency module is also connected with the second power supply unit, and the second radio frequency module is also connected with the first power supply unit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a first radio frequency circuit according to an embodiment of the present utility model;
FIG. 2 is a block diagram of a second RF circuit according to an embodiment of the present utility model;
fig. 3 is a block diagram of a radio frequency module according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the structure of an MHB PAMID according to an embodiment of the present utility model;
fig. 5 is a block diagram of a radio frequency device according to an embodiment of the present utility model.
Detailed Description
The terms "first," "second," "third," and the like are used merely for distinguishing between descriptions and not for indicating a sequence number, nor are they to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.
The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a block diagram of a radio frequency circuit according to an embodiment of the present utility model, where the radio frequency circuit includes a first radio frequency unit, a second radio frequency unit, a third radio frequency unit, and a switch module.
The first radio frequency unit is used for sending or receiving a first radio frequency signal; the second radio frequency unit is used for sending or receiving a second radio frequency signal; and the third radio frequency unit is used for sending or receiving the third radio frequency signal. The first radio frequency signal, the second radio frequency signal and the third radio frequency signal are radio frequency signals with different frequency bands.
For example, the first radio frequency signal, the second radio frequency signal, and the third radio frequency signal may be any one of three frequency bands LB, MHB, UHB, respectively. The specific frequency band selections of the first radio frequency signal, the second radio frequency signal, and the third radio frequency signal are not limited to the above-described exemplary frequency bands for ease of understanding only.
In one embodiment, the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are any one of LB PAMID, MHB PAMID, and UHB PAMID, and the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are different types of radio frequency units.
The first input end of the switch module is used for being connected with the first power supply unit, the second input end of the switch module is used for being connected with the second power supply unit, the first output end of the switch module is connected with the first radio frequency unit, the second output end of the switch module is connected with the second radio frequency unit, and the third output end of the switch module is connected with the third radio frequency unit.
The switch module is used for controlling the first power supply unit to supply power to the first target radio frequency unit and controlling the second power supply unit to supply power to the second target radio frequency unit according to the received control signal, wherein the first target radio frequency unit and the second target radio frequency unit are any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit.
The combination of supplying power to any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit is realized through the switch module, and compared with the prior art, the combination realized by the scheme is richer, and the application range of the scheme is improved.
In one embodiment, the control signals may include a first control signal, a second control signal, a third control signal, and a fourth control signal; at this time, the switching module may include a first switching leg, a second switching leg, and a third switching leg. For ease of understanding, please refer to fig. 2.
The first end of the first switch branch is used for being connected with the first power supply unit, the second end of the first switch branch is connected with the first radio frequency unit, the third end of the first switch branch is used for receiving a first control signal, the first control signal is used for controlling the conduction state of the first switch branch, and when the first switch branch is in conduction, the first power supply unit supplies power for the first radio frequency unit.
Optionally, the first switch branch may include a switch, an input end of the switch is used for being connected to the first power supply unit, an output end of the switch is connected to the first radio frequency unit, and an enable end of the switch is used for receiving the first control signal.
The switch may be a transistor that may be used as a switch, such as a transistor or a MOS (Metal-Oxide-Semiconductor) transistor. Taking a PMOS (Positive channel Metal Oxide Semiconductor) switch as an example, a source electrode of the PMOS tube is used for being connected with the first power supply unit, a drain electrode of the PMOS tube is connected with the first radio frequency unit, and a grid electrode of the PMOS tube is used for receiving the first control signal. At this time, when the first control signal is a low level signal, the PMOS transistor is turned on, that is, the first switch branch is turned on. The examples herein are for ease of understanding only and should not be construed as limiting the utility model.
The first end of the second switch branch is used for being connected with the second power supply unit, the second end of the second switch branch is connected with the second radio frequency unit, the third end of the second switch branch is used for receiving a second control signal, the second control signal is used for controlling the conduction state of the second switch branch, and when the second switch branch is in the conduction state, the second power supply unit supplies power for the second radio frequency unit.
Optionally, the second switch branch may include a switch, an input end of the switch is used for being connected to the second power supply unit, an output end of the switch is connected to the second radio frequency unit, and an enable end of the switch is used for receiving the second control signal.
The switch can be a transistor which can be used as a switch, such as a triode and a MOS tube. Taking a switch as an example of a PMOS tube, wherein a source electrode of the PMOS tube is used for being connected with a second power supply unit, a drain electrode of the PMOS tube is connected with a second radio frequency unit, and a grid electrode of the PMOS tube is used for receiving a second control signal. At this time, when the second control signal is a low level signal, the PMOS transistor is turned on, that is, the second switch branch is turned on. The examples herein are for ease of understanding only and should not be construed as limiting the utility model.
The first end of the third switch branch is used for being connected with the first power supply unit, the second end of the third switch branch is used for being connected with the second power supply unit, the third end of the third switch branch is connected with the third radio frequency unit, the fourth end of the third switch branch is used for receiving a third control signal, the fifth end of the third switch branch is used for receiving a fourth control signal, the third control signal is used for controlling the conduction state of the first end of the third switch branch and the third end of the third switch branch, the fourth control signal is used for controlling the conduction state of the second end of the third switch branch and the third end of the third switch branch, and when the first end of the third switch branch is conducted with the third end, the first power supply unit supplies power to the third radio frequency unit; when the second end of the third switch branch is conducted with the third end, the second power supply unit supplies power to the third radio frequency unit.
Optionally, the third switch branch may include a first switch and a second switch, and the two switches are matched to control a conduction state of the first end of the third switch branch and the third end of the third switch branch, and to control a conduction state of the second end of the third switch branch and the third end of the third switch branch.
The first end of the first switch is used for being connected with the first power supply unit, the second end of the first switch is used for receiving a third control signal, and the conduction state of the first switch is controlled through the third control signal. The first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving a fourth control signal, the conduction state of the second switch is controlled through the fourth control signal, the third end of the second switch is respectively connected with the third end of the first switch and the third radio frequency unit, and the first switch and the second switch are not conducted at the same time.
It will be appreciated that the first switch and the second switch are not on at the same time, but the first switch and the second switch may be off at the same time.
The first end of the third switch branch is controlled to be conducted with the third end through the third control signal, or the second end of the third switch branch is controlled to be conducted with the third end through the fourth control signal, so that the first power supply unit supplies power for the third radio frequency unit, or the second power supply unit supplies power for the third radio frequency unit. When the first radio frequency unit and the third radio frequency unit are needed to be combined, the second power supply unit is adopted to supply power to the third radio frequency unit, and the first power supply unit supplies power to the first radio frequency unit; when the second radio frequency unit and the third radio frequency unit are required to be combined, the first power supply unit is adopted to supply power to the third radio frequency unit, and the second power supply unit supplies power to the second radio frequency unit. In addition, the first radio frequency unit is powered by the first power supply unit, and the second radio frequency unit is powered by the second power supply unit, so that any two radio frequency units of the first radio frequency unit, the second radio frequency unit and the third radio frequency unit are combined.
The first switch may be a transistor, such as a triode, a MOS transistor, or the like, which may be used as a switch.
Taking the first switch as a PMOS tube as an example, the source electrode of the PMOS tube is used for being connected with the first power supply unit, the drain electrode of the PMOS tube is connected with the third radio frequency unit, and the grid electrode of the PMOS tube is used for receiving the third control signal. When the third control signal is a low-level signal, the PMOS tube is conducted, namely the first end and the third end of the third switch branch are conducted. Accordingly, the second switch is turned off at this time, and thus the first power supply unit supplies power to the third radio frequency unit.
The second switch may be a transistor, such as a triode, a MOS transistor, etc., that may act as a switch.
Taking the second switch as a PMOS tube as an example, the source electrode of the PMOS tube is used for being connected with the second power supply unit, the drain electrode of the PMOS tube is connected with the third radio frequency unit, and the grid electrode of the PMOS tube is used for receiving the fourth control signal. When the fourth control signal is a low-level signal, the PMOS tube is conducted, namely the second end and the third end of the third switch branch are conducted. Accordingly, the first switch is turned off at this time, and thus the second power supply unit supplies power to the third radio frequency unit.
The examples herein are for ease of understanding only and should not be construed as limiting the utility model.
In one embodiment, the first switching leg and/or the second switching leg of the switching module may have the same structure as the third switching leg described above.
If the structures of the first switch branch and the second switch branch are the same as the third switch branch, the first radio frequency unit, the second radio frequency unit and the third radio frequency unit can select the first power supply unit or the second power supply unit to supply power for the first switch branch and the second switch branch.
In order to improve the stability of the voltages output by the first power supply unit and the second power supply unit, in one embodiment, the third switching leg may further include a first gain power supply circuit and a second gain power supply circuit.
The first end of the first gain power supply circuit is used for being connected with the first power supply unit, the second end of the first gain power supply circuit is connected with the first end of the first switch, and the first gain power supply circuit is used for gaining voltage output by the first power supply unit.
The first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining voltage output by the second power supply unit.
Based on the same inventive concept, the present utility model further provides a radio frequency module, referring to fig. 3, and fig. 3 is a block diagram of a radio frequency module according to an embodiment of the present utility model. The radio frequency module comprises a radio frequency unit and a switch unit.
The radio frequency unit is used for transmitting or receiving radio frequency signals.
The radio frequency signal can be any one of radio frequency signals of LB, MHB, UHB frequency bands. The examples herein are for ease of understanding only, and the particular frequency band selection of the radio frequency signals is not limited to the frequency bands illustrated above.
The radio units may also be any of LB PAMID, MHB PAMID, UHB PAMID, and the specific types of radio units are not limited to the three exemplary PAMIDs described herein for ease of understanding only.
The first end of the switch unit is used for being connected with the first power supply unit, the second end of the switch unit is used for being connected with the second power supply unit, the third end of the switch unit is used for being connected with the radio frequency unit, and the switch unit is used for controlling the first power supply unit or the second power supply unit to supply power for the radio frequency unit according to the received control signal.
In one embodiment, the control signal includes a first control signal and a second control signal, and the switching unit includes a first switch and a second switch.
The first end of the first switch is used for being connected with the first power supply unit, the second end of the first switch is used for receiving a first control signal, and the conduction state of the first switch is controlled through the first control signal.
The first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving a second control signal, the conduction state of the second switch is controlled through the second control signal, the third end of the second switch is respectively connected with the third end of the first switch and the radio frequency unit, and the first switch and the second switch are not conducted at the same time.
The implementation manners of the first switch and the second switch are the same as those of the first switch and the second switch included in the third switch branch of the switch module in the foregoing radio frequency circuit embodiment, and are not described herein for brevity.
In one embodiment, the switch unit further includes a first gain power supply circuit and a second gain power supply circuit.
The first end of the first gain power supply circuit is used for being connected with the first power supply unit, the second end of the first gain power supply circuit is connected with the first end of the first switch, and the first gain power supply circuit is used for gaining voltage output by the first power supply unit.
The first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining voltage output by the second power supply unit.
Referring to fig. 4, fig. 4 is an MHB PAMID including a switching unit.
As shown in fig. 4, the selection of the supply of ET0 (first power supply unit) or ET1 (second power supply unit) is achieved by the switch included in the switching unit.
The voltage output by ET0 is gained through the two-stage gain power supply circuits VCC1 and VCC2, and the voltage output by ET1 is gained through the two-stage gain power supply circuits VCC3 and VCC 4.
The specific structure of MHB PAMID is well known to those skilled in the art and will not be described in detail herein for brevity.
Referring to fig. 5, fig. 5 is a block diagram of a radio frequency device according to an embodiment of the utility model, and the radio frequency manufacturing includes a first power supply unit, a second power supply unit, a first radio frequency module, a second radio frequency module, and a third radio frequency module. The third radio frequency module is the radio frequency module comprising the radio frequency unit and the switch unit, and the frequency bands corresponding to the first radio frequency module, the second radio frequency module and the third radio frequency module are different.
The first radio frequency module is connected with the first power supply unit, the second radio frequency module is connected with the second power supply unit, and the third radio frequency module is connected with the first power supply unit and the second power supply unit respectively.
When the first radio frequency module and the second radio frequency module are required to be combined, the switch unit of the third radio frequency module is turned off, and at the moment, the first power supply unit and the second power supply unit do not supply power for the third radio frequency module. When the first radio frequency module and the third radio frequency module are required to be combined, the switch unit of the third radio frequency module controls the second power supply unit to supply power for the third radio frequency module. When the second radio frequency module and the third radio frequency module are required to be combined, the switch unit of the third radio frequency module controls the first power supply unit to supply power for the third radio frequency module.
In one embodiment, the second rf module and the third rf module may be the aforementioned rf modules including an rf unit and a switch unit.
Correspondingly, the first radio frequency module is also connected with the second power supply unit, and the second radio frequency module is also connected with the first power supply unit.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A radio frequency circuit, comprising:
the first radio frequency unit is used for sending or receiving a first radio frequency signal;
the second radio frequency unit is used for sending or receiving a second radio frequency signal;
the third radio frequency unit is used for sending or receiving third radio frequency signals, wherein the first radio frequency signals, the second radio frequency signals and the third radio frequency signals are radio frequency signals with different frequency bands;
the switch module, the first input of switch module is used for being connected with first power supply unit, the second input of switch module is used for being connected with second power supply unit, the first output of switch module with first radio frequency unit is connected, the second output of switch module with second radio frequency unit is connected, the third output of switch module with third radio frequency unit is connected, wherein, the switch module is used for according to the control signal who receives, control first power supply unit is first target radio frequency unit power supply, control second power supply unit is second target radio frequency unit power supply, wherein, first target radio frequency unit second target radio frequency unit is first radio frequency unit second radio frequency unit third radio frequency unit any two radio frequency units in the radio frequency unit.
2. The radio frequency circuit of claim 1, wherein the control signals comprise a first control signal, a second control signal, a third control signal, a fourth control signal; the switch module includes:
the first end of the first switch branch is used for being connected with the first power supply unit, the second end of the first switch branch is connected with the first radio frequency unit, the third end of the first switch branch is used for receiving the first control signal, the first control signal is used for controlling the conduction state of the first switch branch, and when the first switch branch is in the conduction state, the first power supply unit supplies power for the first radio frequency unit;
the first end of the second switch branch is used for being connected with the second power supply unit, the second end of the second switch branch is connected with the second radio frequency unit, the third end of the second switch branch is used for receiving the second control signal, the second control signal is used for controlling the conduction state of the second switch branch, and when the second switch branch is in the conduction state, the second power supply unit supplies power for the second radio frequency unit;
the first end of the third switch branch is used for being connected with the first power supply unit, the second end of the third switch branch is used for being connected with the second power supply unit, the third end of the third switch branch is connected with the third radio frequency unit, the fourth end of the third switch branch is used for receiving a third control signal, the fifth end of the third switch branch is used for receiving a fourth control signal, the third control signal is used for controlling the conduction state of the first end of the third switch branch and the third end of the third switch branch, the fourth control signal is used for controlling the conduction state of the second end of the third switch branch and the third end of the third switch branch, and when the first end of the third switch branch is conducted with the third end, the first power supply unit supplies power to the third radio frequency unit; and when the second end and the third end of the third switch branch are conducted, the second power supply unit supplies power to the third radio frequency unit.
3. The radio frequency circuit of claim 2, wherein the third switching leg comprises:
the first end of the first switch is used for being connected with the first power supply unit, the second end of the first switch is used for receiving the third control signal, and the conduction state of the first switch is controlled through the third control signal;
the first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving the fourth control signal, the conduction state of the second switch is controlled through the third control signal, the third end of the second switch is respectively connected with the third end of the first switch and the third radio frequency unit, and the first switch and the second switch are not conducted at the same time.
4. The radio frequency circuit of claim 3, wherein the third switching leg further comprises:
the first end of the first gain power supply circuit is used for being connected with the first power supply unit, the second end of the first gain power supply circuit is connected with the first end of the first switch, and the first gain power supply circuit is used for gaining the voltage output by the first power supply unit;
the first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining the voltage output by the second power supply unit.
5. The radio frequency circuit of claim 1, wherein the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are any one of LB PAMID, MHB PAMID, and UHB PAMID, and the first radio frequency unit, the second radio frequency unit, and the third radio frequency unit are different types of radio frequency units.
6. A radio frequency module, comprising:
the radio frequency unit is used for sending or receiving radio frequency signals;
the switch unit, the first end of switch unit is used for being connected with first power supply unit, the second end of switch unit is used for being connected with the second power supply unit, the third end of switch unit is used for being connected with the radio frequency unit, the switch unit is used for according to received control signal, control first power supply unit or the second power supply unit is for the radio frequency unit power supply.
7. The radio frequency module of claim 6, wherein the control signal comprises a first control signal, a second control signal, and the switching unit comprises:
the first end of the first switch is used for being connected with the first power supply unit, the second end of the first switch is used for receiving the first control signal, and the conduction state of the first switch is controlled through the first control signal;
the first end of the second switch is used for being connected with the second power supply unit, the second end of the second switch is used for receiving the second control signal, the conduction state of the second switch is controlled through the second control signal, the third end of the second switch is respectively connected with the third end of the first switch and the radio frequency unit, and the first switch and the second switch are not conducted at the same time.
8. The radio frequency module according to claim 7, wherein the switching unit further comprises:
the first end of the first gain power supply circuit is used for being connected with the first power supply unit, the second end of the first gain power supply circuit is connected with the first end of the first switch, and the first gain power supply circuit is used for gaining the voltage output by the first power supply unit;
the first end of the second gain power supply circuit is used for being connected with the second power supply unit, the second end of the second gain power supply circuit is connected with the first end of the second switch, and the second gain power supply circuit is used for gaining the voltage output by the second power supply unit.
9. A radio frequency device, comprising:
a first power supply unit, a second power supply unit, a first radio frequency module, a second radio frequency module and a third radio frequency module, wherein the third radio frequency module is a radio frequency module according to any one of claims 6-8;
the first radio frequency module is connected with the first power supply unit, the second radio frequency module is connected with the second power supply unit, and the third radio frequency module is respectively connected with the first power supply unit and the second power supply unit.
10. The radio frequency device according to claim 9, wherein the first radio frequency module and the second radio frequency module are radio frequency modules according to any one of claims 6-8;
the first radio frequency module is also connected with the second power supply unit, and the second radio frequency module is also connected with the first power supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883422.2U CN219514078U (en) | 2023-04-14 | 2023-04-14 | Radio frequency circuit, radio frequency module and radio frequency device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883422.2U CN219514078U (en) | 2023-04-14 | 2023-04-14 | Radio frequency circuit, radio frequency module and radio frequency device |
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| Publication Number | Publication Date |
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| CN219514078U true CN219514078U (en) | 2023-08-11 |
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| CN202320883422.2U Active CN219514078U (en) | 2023-04-14 | 2023-04-14 | Radio frequency circuit, radio frequency module and radio frequency device |
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| Country | Link |
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| CN (1) | CN219514078U (en) |
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