CN216959814U - Radio frequency power amplifier - Google Patents
Radio frequency power amplifier Download PDFInfo
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- CN216959814U CN216959814U CN202220032613.3U CN202220032613U CN216959814U CN 216959814 U CN216959814 U CN 216959814U CN 202220032613 U CN202220032613 U CN 202220032613U CN 216959814 U CN216959814 U CN 216959814U
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- radio frequency
- photoelectric conversion
- power amplification
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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 relates to the technical field of radio communication, and provides a radio frequency power amplifier. The radio frequency power amplifier comprises a photoelectric conversion module and a power amplification module; the photoelectric conversion module is used for converting an optical signal into an electric signal, and the output end of the photoelectric conversion module is connected with the input end of the power amplification module; the power amplification module is used for performing power amplification processing on the electric signal so as to output a radio frequency signal at an output end of the power amplification module. According to the utility model, the photoelectric conversion module and the power amplification module are integrated, so that the equipment integration level is improved, the signal transmission loss is effectively reduced, and the quality of a radio frequency output signal is ensured.
Description
Technical Field
The utility model relates to the technical field of radio communication, in particular to a radio frequency power amplifier.
Background
With the rapid development of information communication technology, the traffic, communication rate and bandwidth carried by a communication network are rapidly increased, the used frequency is higher and higher, and the transmission attenuation of signals is more and more serious.
Currently, in a communication system, optical fiber is generally used for remote optical fiber transmission to reduce transmission loss of a line, and then, optical signals transmitted by the optical fiber are sequentially subjected to photoelectric conversion and power amplification by information processing equipment arranged locally, and after sufficient radio frequency power is obtained, the optical signals are fed to a radio frequency antenna to perform wireless transmission of the radio frequency signals. However, in practical use, the existing information processing equipment has a complex structure and a low degree of integration, has a large signal transmission loss, and is not favorable for ensuring the quality of the radio frequency output signal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a radio frequency power amplifier, which is used for solving or improving the defects in the prior art so as to effectively reduce the transmission loss of radio frequency signals.
The utility model provides a radio frequency power amplifier, comprising: the photoelectric conversion module and the power amplification module; the photoelectric conversion module is used for converting an optical signal into an electric signal, and the output end of the photoelectric conversion module is connected with the input end of the power amplification module; the power amplification module is used for performing power amplification processing on the electric signal so as to output a radio frequency signal at an output end of the power amplification module.
According to the present invention, there is provided a radio frequency power amplifier, further comprising: a chassis; the photoelectric conversion module and the power amplification module are respectively arranged in the case; the side wall of the case is provided with an optical fiber interface and a radio frequency output port; the optical fiber interface is connected with the input end of the photoelectric conversion module; and the output end of the power amplification module is connected with the radio frequency output port.
According to the radio frequency power amplifier provided by the utility model, a first compartment and a second compartment are arranged in the case; the first compartment and the second compartment realize the isolation of wireless signals; the photoelectric conversion module is arranged in the first compartment, and the power amplification module is arranged in the second compartment.
According to the radio frequency power amplifier provided by the utility model, the output end of the photoelectric conversion module is provided with a first radio frequency interface, the input end of the power amplification module is provided with a second radio frequency interface, and the first radio frequency interface is connected with the second radio frequency interface through a radio frequency cable.
According to the radio frequency power amplifier provided by the utility model, the cabinet is internally provided with a partition board which divides the internal space of the box body into the first compartment and the second compartment; the photoelectric conversion module and the radio frequency cable are arranged in the first compartment; the second radio frequency interface is arranged on the partition plate.
According to the rf power amplifier provided by the present invention, the first rf interface and the second rf interface have the same interface type, and both of them include: any one of the N-type radio frequency connector and the SMA radio frequency connector.
According to the present invention, there is provided a radio frequency power amplifier, wherein the radio frequency output port includes: any one of an N-type radio frequency joint, an SMA radio frequency joint and a waveguide head.
According to the radio frequency power amplifier provided by the utility model, an integrated circuit board is arranged in the case; the photoelectric conversion module and the power amplification module are respectively arranged on the integrated circuit board; and the output end of the photoelectric conversion module is connected with the input end of the power amplification module through the feed structure on the integrated circuit board.
According to the present invention, there is provided a radio frequency power amplifier, further comprising: a filtering module; the output end of the photoelectric conversion module is connected with the input end of the power amplification module through the filtering module.
According to a radio frequency power amplifier provided by the present invention, the power amplification module includes: any one of a traveling wave tube power amplifier and a solid state power amplifier.
According to the radio frequency power amplifier provided by the utility model, the photoelectric conversion module and the power amplification module are integrated, so that an optical signal of an external optical fiber is converted into an electric signal through the photoelectric conversion module, and then the electric signal is directly amplified by the power amplification module, and the radio frequency signal meeting the power requirement is output on the basis of effectively shortening the transmission path of the radio frequency signal and reducing the signal attenuation, so that the equipment integration level is higher, the signal transmission loss is effectively reduced, and the quality of the radio frequency output signal is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a first structural block diagram of a radio frequency power amplifier provided by the present invention;
fig. 2 is a second structural block diagram of the rf power amplifier provided in the present invention;
fig. 3 is a schematic front view of a first rf power amplifier provided in the present invention;
fig. 4 is a schematic perspective view of a first rf power amplifier provided in the present invention;
fig. 5 is a schematic diagram of a front view structure of a second rf power amplifier provided in the present invention;
fig. 6 is a schematic perspective view of a second rf power amplifier provided in the present invention;
reference numerals:
1: a photoelectric conversion module; 2: a power amplification module; 3: a filtering module;
11: a chassis; 12: an integrated circuit board; 111: a first compartment;
112: a second compartment; 113: a partition plate; 101: an optical fiber interface;
102: a radio frequency output port; 103: a first radio frequency interface; 104: a radio frequency cable;
105: a second radio frequency interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A radio frequency power amplifier of the present invention is described below in conjunction with fig. 1-6.
As shown in fig. 1 and fig. 3, the present embodiment provides a radio frequency power amplifier, including: the photoelectric conversion module 1 and the power amplification module 2; the photoelectric conversion module 1 is used for converting an optical signal into an electrical signal, and the output end of the photoelectric conversion module 1 is connected with the input end of the power amplification module 2; the power amplification module 2 is configured to perform power amplification processing on the electrical signal, so as to output a radio frequency signal at an output end of the power amplification module 2.
Specifically, this embodiment is integrated through with photoelectric conversion module 1 and power amplification module 2, can make the light signal of outside optic fibre directly carry out power amplification by power amplification module 2 to the signal of telecommunication after photoelectric conversion module 1 converts the signal of telecommunication into, effectively shorten the transmission path of radio frequency signal, reduce the basis of signal attenuation, the radio frequency signal that the output satisfied the power demand, not only equipment integration level is higher, and effectively reduced the signal transmission loss, ensured the quality of radio frequency output signal.
Here, the input end of the photoelectric conversion module 1 in this embodiment is used for connecting with the output end of the optical fiber, and the photoelectric conversion module 1 mainly converts an optical signal into an electrical signal by using the photoelectric effect. The photoelectric conversion module 1 may be called a photoelectric converter (also called a fiber transceiver), and is divided into a hundred-mega fiber transceiver and a gigabit fiber transceiver, and is a fast ethernet with a data transmission rate of 1 Gbps.
Meanwhile, the power amplification module 2 in this embodiment is used in the final stage of the transmitting stage to perform power amplification on the electrical signal output after the photoelectric conversion by the photoelectric conversion module 1, and output a radio frequency signal meeting the transmission power requirement, so that the radio frequency signal is radiated to a space through a radio frequency antenna, and it is ensured that a receiving stage in a certain area can receive a satisfactory signal level and does not interfere with communication of an adjacent channel. Here, the power amplification module 2 may be a traveling wave tube power amplifier or a solid state power amplifier known in the art.
As shown in fig. 3 to 6, the rf power amplifier of the present embodiment is provided with a case 11; the photoelectric conversion module 1 and the power amplification module 2 are respectively arranged in the case 11; the side wall of the case 11 is provided with an optical fiber interface 101 and a radio frequency output port 102; the optical fiber interface 101 is connected with the input end of the photoelectric conversion module 1; the output end of the power amplification module 2 is connected with the radio frequency output port 102.
Specifically, in this embodiment, the photoelectric conversion module 1 and the power amplification module 2 are integrated in the case 11, which is not only convenient for carrying and field deployment, but also can physically protect the photoelectric conversion module 1 and the power amplification module 2 from dust and water through the case 11.
In practical use, the tail end of the external optical fiber is connected with the optical fiber interface 101, and the radio frequency output port 102 is connected with the radio frequency antenna, so that the optical signals transmitted by the optical fiber can be conveniently and sequentially subjected to photoelectric conversion and power amplification at the same local position, and signal attenuation caused by intermediate transmission of electric signals by adopting a longer radio frequency cable is avoided.
In some embodiments, as shown in fig. 3 and 4, in order to prevent the rf signal generated by the photoelectric conversion module 1 from affecting the power amplification module 2, a first compartment 111 and a second compartment 112 are disposed in the housing 11; the first compartment 111 and the second compartment 112 realize the isolation of wireless signals; the photoelectric conversion module 1 is disposed in the first compartment 111, and the power amplification module 2 is disposed in the second compartment 112.
Specifically, the enclosure 11 shown in this embodiment may be an iron box, so that a better electromagnetic shielding effect can be achieved between the first compartment 111 and the second compartment 112. In the present embodiment, the first compartment 111 and the second compartment 112 may be formed in the chassis 11 by an integral molding method, or an isolation structure may be disposed inside the original chassis 11 to obtain the first compartment 111 and the second compartment 112 isolated from each other.
Thus, in the present embodiment, when the photoelectric conversion module 1 and the power amplification module 2 are separately disposed in the first compartment 111 and the second compartment 112, the photoelectric conversion module 1 and the power amplification module 2 do not interfere with each other while operating independently.
In some embodiments, in order to facilitate convenient connection and signal transmission between the output end of the photoelectric conversion module 1 and the input end of the power amplification module 2, in this embodiment, a first radio frequency interface 103 is disposed at the output end of the photoelectric conversion module 1, a second radio frequency interface 105 is disposed at the input end of the power amplification module 2, and the first radio frequency interface 103 is connected to the second radio frequency interface 105 through a radio frequency cable 104.
It should be noted that the rf cable 104 shown in the present embodiment is only used for implementing the communication connection between the first rf interface 103 and the second rf interface 105, and the length of the rf cable 104 is short, which does not generate a large signal transmission loss.
In this embodiment, the first rf interface 103 and the second rf interface 105 may be selected according to signal power and frequency. In order to simplify the connection path, the first rf interface 103 and the second rf interface 105 of the present embodiment have the same interface type, and both include: any one of the N-type radio frequency connector and the SMA radio frequency connector.
For example, when the first rf interface 103 selects an N-type rf connector, the second rf interface 105 is correspondingly an N-type rf connector; when the first rf interface 103 is an SMA rf connector, the second rf interface 105 is an SMA rf connector accordingly.
Of course, when one of the first rf interface 103 and the second rf interface 105 is an N-type rf connector and the other is an SMA rf connector, the embodiment may further be configured with an N-to-SMA adapter to implement the communication connection between the first rf interface 103 and the second rf interface 105.
In one embodiment, as shown in fig. 3 and 4, a partition 113 is disposed in the casing 11, and the partition 113 divides the internal space of the casing into a first compartment 111 and a second compartment 112; the photoelectric conversion module 1 and the rf cable 104 are disposed in the first compartment 111, and the second rf interface 105 is disposed on the partition 113.
Therefore, the present embodiment facilitates connecting one end of the rf cable 104 with the first rf interface 103 and connecting the other end of the rf cable 104 with the second rf interface 105, and can better achieve the isolation of the electromagnetic signals between the first compartment 111 and the second compartment 112.
Further, the rf output port 102 shown in this embodiment may also perform type selection according to signal power and frequency, where the rf output port 102 includes: any one of the N-type rf connector, the SMA rf connector, and the waveguide head is not limited herein.
In some embodiments, as shown in fig. 5 and fig. 6, in order to further realize integration of the photoelectric conversion module 1 and the power amplification module 2, in this embodiment, an integrated circuit board 12 may also be disposed in the chassis 11, where the integrated circuit board 12 is specifically a Printed Circuit Board (PCB); the photoelectric conversion module 1 and the power amplification module 2 are respectively arranged on the integrated circuit board 12; the output end of the photoelectric conversion module 1 is connected with the input end of the power amplification module 2 through a feed structure on the integrated circuit board 12.
In the case that the photoelectric conversion module 1 and the power amplification module 2 are integrated on the integrated circuit board 12, the photoelectric conversion module 1 and the power amplification module 2 may be disposed in the same space in the box body, and a partition board may also be disposed in the box body, so as to separate the photoelectric conversion module 1 and the power amplification module 2 into two electromagnetically isolated compartments in the box body, which is not specifically limited herein.
Based on the solutions shown in the above embodiments, in some embodiments, as shown in fig. 2, the radio frequency power amplifier shown in this embodiment is further provided with a filtering module 3; the output end of the photoelectric conversion module 1 is connected with the input end of the power amplification module 2 through the filtering module 3.
Here, in the present embodiment, by providing the filtering module 3, the filtering module 3 can filter out high-frequency harmonics included in the electrical signal output by the photoelectric conversion module 1, so as to ensure the quality of the radio frequency signal. Wherein the filtering module 3 is preferably a cavity filter known in the art.
Based on the solutions shown in the foregoing embodiments, in some embodiments, the radio frequency power amplifier shown in this embodiment may further include a plurality of power amplification modules 2, an output end of the photoelectric conversion module 1 is connected to input ends of the plurality of power amplification modules 2, and output ends of the plurality of power amplification modules 2 are configured to output radio frequency signals of at least two different radio frequency powers.
Here, in the present embodiment, a power divider may be disposed between the photoelectric conversion module 1 and the plurality of power amplification modules 2, the output end of the photoelectric conversion module 1 is connected to the input end of the power divider, and the plurality of output ends of the power divider are connected to the input ends of the plurality of power amplification modules 2 in a one-to-one correspondence. Based on the power amplification processing of the electrical signals output by the photoelectric conversion module 1 by the plurality of power amplification modules 2, the application situation of outputting radio frequency signals with different radio frequency powers can be met.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A radio frequency power amplifier, comprising:
the photoelectric conversion module and the power amplification module;
the photoelectric conversion module is used for converting an optical signal into an electric signal, and the output end of the photoelectric conversion module is connected with the input end of the power amplification module;
the power amplification module is used for performing power amplification processing on the electric signal so as to output a radio frequency signal at an output end of the power amplification module.
2. The radio frequency power amplifier of claim 1,
further comprising: a chassis; the photoelectric conversion module and the power amplification module are respectively arranged in the case; the side wall of the case is provided with an optical fiber interface and a radio frequency output port; the optical fiber interface is connected with the input end of the photoelectric conversion module; and the output end of the power amplification module is connected with the radio frequency output port.
3. The radio frequency power amplifier of claim 2,
a first compartment and a second compartment are arranged in the case; the first compartment and the second compartment realize the isolation of wireless signals; the photoelectric conversion module is arranged in the first compartment, and the power amplification module is arranged in the second compartment.
4. The radio frequency power amplifier of claim 3,
the output end of the photoelectric conversion module is provided with a first radio frequency interface, the input end of the power amplification module is provided with a second radio frequency interface, and the first radio frequency interface is connected with the second radio frequency interface through a radio frequency cable.
5. The radio frequency power amplifier of claim 4,
a partition board is arranged in the case and divides the inner space of the case into the first compartment and the second compartment; the photoelectric conversion module and the radio frequency cable are arranged in the first compartment; the second radio frequency interface is arranged on the partition plate.
6. The radio frequency power amplifier of claim 4,
the first radio frequency interface and the second radio frequency interface have the same interface type and both comprise: any one of the N-type radio frequency connector and the SMA radio frequency connector.
7. The radio frequency power amplifier of claim 2,
the radio frequency output port includes: any one of an N-type radio frequency connector, an SMA radio frequency connector and a waveguide head.
8. The radio frequency power amplifier of claim 2,
an integrated circuit board is arranged in the case; the photoelectric conversion module and the power amplification module are respectively arranged on the integrated circuit board; the output end of the photoelectric conversion module is connected with the input end of the power amplification module through the feed structure on the integrated circuit board.
9. The radio frequency power amplifier of any of claims 1 to 8, further comprising: a filtering module; the output end of the photoelectric conversion module is connected with the input end of the power amplification module through the filtering module.
10. The radio frequency power amplifier of any of claims 1 to 8, wherein the power amplification module comprises: any one of a traveling wave tube power amplifier and a solid state power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220032613.3U CN216959814U (en) | 2022-01-07 | 2022-01-07 | Radio frequency power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220032613.3U CN216959814U (en) | 2022-01-07 | 2022-01-07 | Radio frequency power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959814U true CN216959814U (en) | 2022-07-12 |
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ID=82315402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220032613.3U Active CN216959814U (en) | 2022-01-07 | 2022-01-07 | Radio frequency power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959814U (en) |
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2022
- 2022-01-07 CN CN202220032613.3U patent/CN216959814U/en active Active
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