CN215682278U - Radio frequency device and terminal equipment - Google Patents

Radio frequency device and terminal equipment Download PDF

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Publication number
CN215682278U
CN215682278U CN202121395516.2U CN202121395516U CN215682278U CN 215682278 U CN215682278 U CN 215682278U CN 202121395516 U CN202121395516 U CN 202121395516U CN 215682278 U CN215682278 U CN 215682278U
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antenna
radio frequency
switch
electrically connected
circuit
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CN202121395516.2U
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沈延利
杜军红
葛振纲
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Shanghai Longcheer Technology Co Ltd
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Shanghai Longcheer Technology Co Ltd
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Abstract

The utility model provides a radio frequency device and terminal equipment, the radio frequency device includes: the antenna comprises a transceiver, a first power amplifier, a second power amplifier, a first low-noise amplifier, a second low-noise amplifier, a first duplexer/filter circuit, a second duplexer/filter circuit, a first transceiving switch unit, a second transceiving switch unit, a third transceiving switch unit, a first radio frequency switch, a second radio frequency switch and an antenna unit. The utility model adopts a discrete device design and can support a 5G NSA networking mode and a 5G SA networking mode. Furthermore, the utility model can also comprise a carrier aggregation circuit and an MIMO circuit, and can support a 5G CA networking mode and an MIMO networking mode. The 5G terminal equipment adopts the radio frequency device as a radio frequency front-end system, can greatly reduce the cost and is suitable for middle and low-end 5G terminal equipment.

Description

Radio frequency device and terminal equipment
Technical Field
The utility model relates to the technical field of 5G terminal equipment, in particular to a radio frequency device and terminal equipment.
Background
With the rapid development of 5G technology, the higher the integration level of components of 5G terminal equipment, Phase6 or Phase7Lite technology is generally adopted in the industry to design a radio frequency device for integration into 5G terminal equipment. However, Phase6 or Phase7Lite is based on a chip scheme with high integration level, the related chip cost is high, the selectable range of the supply chain is narrow, and the method is not suitable for middle and low-end 5G terminal products.
SUMMERY OF THE UTILITY MODEL
The present invention provides a Radio frequency device and a terminal device, which can support 5G NSA (Non-standard networking) and 5G SA (standard networking) implementation manners of a 5G terminal device, including an E-UTRAN Dual Connectivity (E-UTRAN Dual Connectivity) networking manner in the 5G NSA, wherein an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) is a mobile communication wireless Network in LTE (long term evolution).
In order to achieve the above object, the present invention provides a radio frequency device, wherein the device comprises:
the antenna comprises a transceiver, a first power amplifier, a second power amplifier, a first low-noise amplifier, a second low-noise amplifier, a first circuit, a second circuit, a first transceiving switch unit, a second transceiving switch unit, a third transceiving switch unit, a first radio frequency switch, a second radio frequency switch and an antenna unit; wherein the content of the first and second substances,
the transceiver is electrically connected with the first power amplifier, the second power amplifier, the first low noise amplifier and the second low noise amplifier;
the first power amplifier is electrically connected with the first low noise amplifier, the second power amplifier and the first circuit;
the second power amplifier is electrically connected with the first low noise amplifier and the second circuit;
the first low noise amplifier is electrically connected with the first circuit and the second circuit;
the second low noise amplifier is electrically connected with the third transceiving switch unit;
the first circuit is electrically connected with the second transceiving switch unit;
the second circuit is electrically connected with the first transceiving switch unit and the antenna unit;
the first receiving and transmitting switch unit is electrically connected with the first radio frequency switch;
the second receiving and transmitting switch unit is electrically connected with the second radio frequency switch;
the first radio frequency switch and the second radio frequency switch of the third transceiving switch unit are electrically connected;
the first radio frequency switch is electrically connected with the antenna unit;
the second radio frequency switch is electrically connected with the antenna unit.
Optionally, wherein the antenna unit includes:
a first diplexer, a second diplexer, a first antenna, a second antenna and a third antenna; wherein the content of the first and second substances,
the second circuit is electrically connected with the first transceiving switch unit and the third antenna;
the first radio frequency switch is electrically connected with the first antenna shared device and the second antenna shared device;
the second radio frequency switch is electrically connected with the first antenna shared device and the second antenna shared device;
the first antenna duplexer is electrically connected with a first antenna;
the second duplexer is electrically connected with the second antenna.
Optionally, wherein the apparatus further comprises:
and the carrier aggregation circuit is electrically connected with the second circuit and the third antenna through a selection switch.
Optionally, wherein the apparatus further comprises:
a MIMO circuit and a third RF switch; wherein the content of the first and second substances,
the antenna unit further comprises a fourth antenna; wherein the content of the first and second substances,
the MIMO circuit is electrically connected with the second low noise amplifier and the third radio frequency switch;
the third radio frequency switch is electrically connected with the selection switch, the second radio frequency switch, the third antenna and the fourth antenna.
Optionally, wherein the apparatus further comprises:
and the third power amplifier is electrically connected with the transceiver, the first transceiving switch unit and the second transceiving unit.
The utility model also provides terminal equipment, wherein the equipment comprises the device.
Compared with the prior art, the utility model has the following beneficial effects: two 5G power amplifiers or one 4G power amplifier and one 5G power amplifier are adopted, and the radio frequency device suitable for 5G terminal equipment is designed by combining discrete devices, so that the device selectivity is high, the purchase resources are rich, the requirement and the cost of a supply chain can be greatly reduced, and the radio frequency device is very suitable for middle and low-end 5G terminal equipment.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a schematic block diagram of a structure of a radio frequency device according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of an antenna element in a radio frequency device according to an embodiment of the utility model;
fig. 3 is a schematic block diagram of a radio frequency device according to another embodiment of the present invention;
FIG. 4 is a schematic block diagram of an RF device according to yet another embodiment of the utility model;
fig. 5 is a schematic block diagram illustrating the structure of a radio frequency device according to still another embodiment of the present invention;
the same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The conception, specific structure and technical effects of the radio frequency device provided by the present invention will be further described with reference to the drawings, so as to fully understand the purpose, features and effects of the present application. In which alternative embodiments of the utility model are shown, it will be appreciated that those skilled in the art can modify the utility model herein described while still obtaining the advantageous results of the utility model. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.
As shown in fig. 1, a schematic block diagram of a structure of a radio frequency device according to an embodiment of the present application, in this embodiment, a radio frequency device is provided, where the radio frequency device includes:
the transceiver 100, the first power amplifier 111, the second power amplifier 112, the first low noise amplifier 121, the second low noise amplifier 122, the first circuit 131, the second circuit 132, the first transceiving switching unit 141, the second transceiving switching unit 142, the third transceiving switching unit 143, the first rf switch 151, the second rf switch 152, and the antenna unit 170; wherein the content of the first and second substances,
the transceiver 100 is electrically connected to a first power amplifier 111, a second power amplifier 112, a first low noise amplifier 121, and a second low noise amplifier 122;
the first power amplifier 111 is electrically connected to the first low noise amplifier 121, the second power amplifier 112 and the first circuit 131;
the second power amplifier 112 is electrically connected to the first low noise amplifier 121 and the second circuit 132;
the first low noise amplifier 121 is electrically connected to the first circuit 131 and the second circuit 132;
the second low noise amplifier 122 is electrically connected to the third transceiving switching unit 143;
the first circuit 131 is electrically connected to the second transceiving switch unit 142;
the second circuit 132 is electrically connected to the first transceiving switch unit 141 and the antenna unit 170;
the first transceiving switch unit 141 is electrically connected to the first rf switch 151;
the second transceiving switch unit 142 is electrically connected to the second rf switch 152;
the third transceiving switch unit 143 is electrically connected to the first rf switch 151 and the second rf switch 152;
the first rf switch 151 is electrically connected to the antenna unit 170;
the second rf switch 152 is electrically connected to the antenna unit 170.
In the embodiment, the device is integrated in the 5G terminal equipment.
The transceiver 100 may be a 5G radio frequency transceiver, the first Power Amplifier 111 may employ a 4G MMPA (Multi-mode Multi-band Power Amplifier), the second Power Amplifier 112 may employ a 5G MMPA, the first Low Noise Amplifier 121 may employ a Low Noise Amplifier (Low Noise Amplifier), the second Low Noise Amplifier 122 may employ a diversity LNA, the first circuit 131 and the second circuit 132 may both employ a duplex/filter circuit composed of discrete devices, wherein the first circuit 131 supports medium-high frequency band pass filtering, the second circuit 132 supports Low frequency band pass filtering, the first transceiver switching unit 141 may employ a switch/filter circuit supporting Low frequency SP6T (Single-poll/6-threads, single pole, six throw) TRX (transmit & receive) switch, the second switch 142 may adopt SP6T TRX switch supporting medium and high frequencies, the third switch 143 may adopt a dfem (Diversity filter module) switch that packages switches and filters together to realize Diversity path switching and signal selection functions, the first rf switch 151 may adopt an ASDiv (antenna switch) switch supporting low frequencies, and the second rf switch 152 may adopt an ASDiv switch supporting medium and high frequencies, wherein the ASDiv switch may adaptively use an antenna with better signal receiving and transmitting strengths to process services according to the signal strength of the actual application scenario.
Optionally, as shown in fig. 2, the schematic diagram of the antenna unit in the radio frequency device of the embodiment, wherein the antenna unit 170 includes:
a first duplexer 161, a second duplexer 162, a first antenna 171, a second antenna 172, and a third antenna 173; wherein the content of the first and second substances,
the second circuit 132 is electrically connected to the first transceiving switch unit 141 and the third antenna 173;
the first rf switch 151 is electrically connected to the first duplexer 161 and the second duplexer 162;
the second rf switch 152 is electrically connected to the first duplexer 161 and the second duplexer 162;
the first duplexer 161 is electrically connected to the first antenna 171;
the second duplexer 162 is electrically connected to a second antenna 172.
Wherein, the first duplexer 161 and the second duplexer 162 can adopt a duplexer formed by a diplexer, the first antenna 171 can support the transceiving of signals in the B1/2/3/4/5/7/8/12/17/20/28/34/39/40/41/66 frequency band, the second antenna 172 can support the transceiving of signals in the B5/8/12/17/20/28 frequency band, and B1/2/3/4/5/7/8/12/17/20/28/34/39/40/41/66 frequency band signal diversity reception, the third antenna 173 can support B1/3/7/40/41/66/32/77/78 frequency band signal transceiving under the endec mode. In addition, the first antenna 171, the second antenna 172, and the third antenna 173 may all support SRS (system reference signal) processing in the 5G N41 band.
If the first power amplifier 111 uses 4G MMPA and the second power amplifier 112 uses 5G MMPA, the 5G terminal device integrated with the apparatus can support 5G NSA and 5G SA modes. In the 5G NSA mode, the transceiver 100, the 4G MMPA, the first circuit 131, the second transceiver switch unit 142, the second rf switch 152, the first antenna duplexer 161, and the first antenna 171 form a 4G medium-high frequency signal processing path; the 4G MMPA, the second circuit 132, the first transceiving switch unit 141, the first rf switch 151, the first antenna duplexer 161, and the first antenna 171 form a 4G low frequency signal processing path; the transceiver 100, the 5G MMPA, the second circuit 132 and the third antenna 173 form a 5G signal processing path; the diversity signal path of 3G/4G/5G includes the second antenna 172, the second antenna duplexer 162, the first rf switch 151, the second rf switch 152, the third transceiving switch, the second low noise amplifier 122, and the transceiver 100, so as to implement a complete diversity receiving path. In the 5G SA mode, the 4G MMPA is in a non-operating state, and the transceiver 100, the 5G MMPA, the second circuit 132 and the third antenna 173 form a 5G signal processing path to meet the 5G SA operating requirement.
Optionally, a schematic block diagram of a structure of a radio frequency device according to another embodiment of the present invention is shown in fig. 3, in this embodiment, the radio frequency device further includes:
and a carrier aggregation circuit 181, wherein the carrier aggregation circuit 181 is electrically connected to the second circuit 132 and the third antenna 173 through a selection switch 191.
In this embodiment, the 5G terminal device integrating the apparatus may switch the carrier aggregation circuit 181 in the path through the selection switch 191, or may bypass the carrier aggregation circuit 181. When the Carrier Aggregation circuit 181 is connected to the path, a 5G CA (Carrier Aggregation) operation mode may be supported. If the first power amplifier 111 employs a 4G MMPA and the second power amplifier 112 employs a 5G MMPA, in this operating mode, the transceiver 100, the 5G MMPA, the second circuit 132, the CA circuit 181, and the third antenna 173 form a 5G CA signal processing path to meet the 5G CA operating requirement.
Optionally, a schematic block diagram of a structure of a radio frequency device according to another embodiment of the present invention is shown in fig. 4, where in this embodiment, the radio frequency device further includes:
a MIMO circuit 182 and a third rf switch 153; wherein the content of the first and second substances,
the antenna unit 170 further includes a fourth antenna 174; wherein the content of the first and second substances,
the MIMO circuit 182 is electrically connected to the second low noise amplifier 122 and the third rf switch 153;
the third rf switch 153 is electrically connected to the selection switch 191, the second rf switch 152, the third antenna 173 and the fourth antenna 174.
In this embodiment, the 5G terminal device integrated with the apparatus can support MIMO operation mode. In this operation mode, the first antenna 171, the first duplexer 161, the second rf switch 152, the third rf switch 153, the MIMO circuit 182, the second low noise amplifier 122 and the transceiver 100 form a MIMO signal processing path associated with the first antenna 171; the second antenna 172, the second duplexer 162, the second rf switch 152, the third rf switch 153, the MIMO circuit 182, the second low noise amplifier 122 and the transceiver 100 form a MIMO signal processing path associated with the second antenna 172; the third antenna 173 or the fourth antenna 174, the third rf switch 153, the MIMO circuitry 182, the second lna 122 and the transceiver 100 form a MIMO signal processing path associated with the third antenna 173 or the fourth antenna 174. All the paths can meet the complete networking of MIMO. The first antenna 171 may support MIMO-2 signals of B1/3/7/40/38/41 band; the second antenna 172 may support MIMO-1 signals of B1/3/7/40/38/41 band; the third antenna 173 may support MIMO-1 signals of B1/3/7/40/38/41/32/77/78 band; the fourth antenna 174 may support MIMO-4 signals in the B1/3/7/40/38/41/32/66/77/78 band. In addition, the fourth antenna 174 may also support SRS processing in the 5G N41 frequency band.
Optionally, a schematic block diagram of a structure of a radio frequency device according to still another embodiment of the present invention is shown in fig. 5, where in this embodiment, the radio frequency device further includes:
and a third power amplifier 113, wherein the third power amplifier 113 is electrically connected to the transceiver 100, the first transceiving switching unit 141, and the second transceiving unit 142.
In this embodiment, the third power amplifier 113 may adopt a 2G PA, and the 5G terminal device integrating the apparatus may support the 2G mode. In the 2G mode, the transceivers 100, 2G PA, the first transceiving switch unit 141, the second transceiving switch unit 142, the first rf switch 151, the second rf switch 152, the first antenna duplexer 161, and the first antenna 171 form a GSM (Global System for Mobile communications) signal processing path, which can meet the 2G working requirement.
An embodiment of the present invention further provides a terminal device, where the terminal device includes the apparatus in the foregoing embodiments, and the terminal device may be, but is not limited to: a mobile phone, a television, an audio device, a tablet computer, a portable computer, a wearable device, etc., which are not listed herein, and other existing or future terminal devices, such as those suitable for the present application, are also included in the scope of the present application, and are herein incorporated by reference.
Based on the above embodiments, the working principle of the present invention is as follows:
the radio frequency device is a discrete device scheme based on a Phase5N technology, adopts a universal device, can support working modes including 5G NSA and 5G SA through configuration, further can support different working modes including 5G CA, MIMO, 2G and the like, and can be suitable for middle and low-end 5G terminal equipment.
The radio frequency device has low requirement on a supply chain, can greatly reduce the production cost of terminal equipment integrating the radio frequency device, and is particularly suitable for medium and low-end 5G terminal equipment. Therefore, the utility model has good market value.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and do not limit the present invention. It should be understood by those skilled in the art that the technical solutions and modifications of the present invention disclosed in the present invention can be made without departing from the scope of the technical solutions of the present invention, and the technical solutions and modifications can be made without departing from the spirit and scope of the technical solutions of the present invention.
Furthermore, it will be obvious that the term "comprising" does not exclude other elements, units or circuits, and the singular does not exclude the plural. A plurality of constituent elements, units or circuits recited in the claims may also be implemented as one constituent element, unit or circuit. The terms first, second, etc. are used to denote names, but not any particular order.

Claims (6)

1. A radio frequency device, characterized in that the device comprises:
the antenna comprises a transceiver, a first power amplifier, a second power amplifier, a first low-noise amplifier, a second low-noise amplifier, a first circuit, a second circuit, a first transceiving switch unit, a second transceiving switch unit, a third transceiving switch unit, a first radio frequency switch, a second radio frequency switch and an antenna unit; wherein the content of the first and second substances,
the transceiver is electrically connected with the first power amplifier, the second power amplifier, the first low noise amplifier and the second low noise amplifier;
the first power amplifier is electrically connected with the first low noise amplifier, the second power amplifier and the first circuit;
the second power amplifier is electrically connected with the first low noise amplifier and the second circuit;
the first low noise amplifier is electrically connected with the first circuit and the second circuit;
the second low noise amplifier is electrically connected with the third transceiving switch unit;
the first circuit is electrically connected with the second transceiving switch unit;
the second circuit is electrically connected with the first transceiving switch unit and the antenna unit;
the first receiving and transmitting switch unit is electrically connected with the first radio frequency switch;
the second receiving and transmitting switch unit is electrically connected with the second radio frequency switch;
the first radio frequency switch and the second radio frequency switch of the third transceiving switch unit are electrically connected;
the first radio frequency switch is electrically connected with the antenna unit;
the second radio frequency switch is electrically connected with the antenna unit.
2. The apparatus of claim 1, wherein the antenna unit comprises:
a first diplexer, a second diplexer, a first antenna, a second antenna and a third antenna; wherein the content of the first and second substances,
the second circuit is electrically connected with the first transceiving switch unit and the third antenna;
the first radio frequency switch is electrically connected with the first antenna shared device and the second antenna shared device;
the second radio frequency switch is electrically connected with the first antenna shared device and the second antenna shared device;
the first antenna duplexer is electrically connected with a first antenna;
the second duplexer is electrically connected with the second antenna.
3. The apparatus of claim 2, further comprising:
and the carrier aggregation circuit is electrically connected with the second circuit and the third antenna through a selection switch.
4. The apparatus of claim 3, further comprising:
a MIMO circuit and a third RF switch, wherein,
the antenna unit further comprises a fourth antenna, wherein,
the MIMO circuit is electrically connected with the second low noise amplifier and the third radio frequency switch;
the third radio frequency switch is electrically connected with the selection switch, the second radio frequency switch, the third antenna and the fourth antenna.
5. The apparatus of claim 1, further comprising:
and the third power amplifier is electrically connected with the transceiver, the first transceiving switch unit and the second transceiving unit.
6. A terminal device, characterized in that it comprises an apparatus according to any one of claims 1 to 5.
CN202121395516.2U 2021-06-22 2021-06-22 Radio frequency device and terminal equipment Active CN215682278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121395516.2U CN215682278U (en) 2021-06-22 2021-06-22 Radio frequency device and terminal equipment

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Application Number Priority Date Filing Date Title
CN202121395516.2U CN215682278U (en) 2021-06-22 2021-06-22 Radio frequency device and terminal equipment

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CN215682278U true CN215682278U (en) 2022-01-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114745034A (en) * 2022-06-13 2022-07-12 合肥龙旗智能科技有限公司 Radio frequency module, signal receiving and transmitting method and wireless communication equipment
CN115149975A (en) * 2022-06-27 2022-10-04 Oppo广东移动通信有限公司 Radio frequency front-end module, radio frequency system and communication equipment
WO2024045774A1 (en) * 2022-09-01 2024-03-07 Oppo广东移动通信有限公司 Multi-mode multiband power amplifier device, switching method, radio frequency front-end apparatus, and device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114745034A (en) * 2022-06-13 2022-07-12 合肥龙旗智能科技有限公司 Radio frequency module, signal receiving and transmitting method and wireless communication equipment
CN114745034B (en) * 2022-06-13 2022-09-20 合肥龙旗智能科技有限公司 Radio frequency module, signal receiving and transmitting method and wireless communication equipment
CN115149975A (en) * 2022-06-27 2022-10-04 Oppo广东移动通信有限公司 Radio frequency front-end module, radio frequency system and communication equipment
CN115149975B (en) * 2022-06-27 2023-12-26 Oppo广东移动通信有限公司 Radio frequency front-end module, radio frequency system and communication equipment
WO2024045774A1 (en) * 2022-09-01 2024-03-07 Oppo广东移动通信有限公司 Multi-mode multiband power amplifier device, switching method, radio frequency front-end apparatus, and device

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