CN213027956U - Power amplifier unit, power amplifier and transceiver - Google Patents
Power amplifier unit, power amplifier and transceiver Download PDFInfo
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- CN213027956U CN213027956U CN202021448015.1U CN202021448015U CN213027956U CN 213027956 U CN213027956 U CN 213027956U CN 202021448015 U CN202021448015 U CN 202021448015U CN 213027956 U CN213027956 U CN 213027956U
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Abstract
The utility model discloses a power amplifier unit, power amplifier and transceiver, the power amplifier unit includes first frame and power amplifier module, the first frame is equipped with installation space and separation frame, the separation frame is established in installation space, the separation frame is equipped with at least one to separate installation space into at least two installing zones, the power amplifier module is equipped with at least two, the power amplifier module is located corresponding installing zone, all power amplifier modules form a functional module; the power amplifier comprises at least two power amplifier units; the transceiver comprises the aforementioned power amplifier. According to the power amplifier unit, the first frame is divided into at least two mounting areas by the separation frame, and the power amplifier modules are mounted in the corresponding mounting areas, so that on one hand, the assembly difficulty is reduced through modularized arrangement, the assembly and disassembly are more convenient, and on the other hand, the complexity of internal wiring is reduced; meanwhile, all the power amplifier modules form a functional module, so that one power amplifier unit has a specific function and is convenient to further assemble.
Description
Technical Field
The utility model relates to a power amplifier technical field especially relates to a power amplifier unit, power amplifier and transceiver.
Background
A communication transceiver refers to a communication device in which both devices for receiving and transmitting signals are located in the same housing or rack. With the continuous development of communication technology, the transmission power of the transceiver is required to be higher and higher, and high-power transmitters/receivers/transceivers are used more and more.
However, due to the limitations of semiconductor technology, heat dissipation density, task reliability, etc., the power amplifier of the high-power transmitter cannot directly generate rated output power by a single power amplifier module, but can only be obtained by combining a plurality of basic amplification modules to form the high-power transmitter and then synthesizing for many times, which leads to extremely complex internal structure of the power amplifier unit and troublesome wiring.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is desirable to provide a power amplifier unit, a power amplifier and a transceiver; the power amplifier unit is arranged in a modularized manner, and is convenient to assemble and disassemble; the power amplifier comprises the power amplifier unit, and is convenient to assemble and disassemble; the transceiver comprises the power amplifier, and the power amplifier unit of the power amplifier is more convenient to assemble and disassemble.
The technical scheme is as follows:
an embodiment provides a power amplifier unit, including:
the first frame is provided with an installation space and separation frames, the separation frames are arranged in the installation space, and at least one separation frame is arranged to divide the installation space into at least two installation areas; and
the power amplifier module, the power amplifier module is equipped with two at least, the power amplifier module is located and is corresponded the installing zone, all the power amplifier module forms a functional module.
According to the power amplifier unit, the first frame is divided into at least two mounting areas by the separating frame, and the power amplifier modules are mounted in the corresponding mounting areas, so that on one hand, the assembly difficulty is reduced through modular arrangement, the assembly and disassembly are more convenient, and on the other hand, the complexity of internal wiring is reduced; meanwhile, all the power amplifier modules form a functional module, so that one power amplifier unit has a specific function and is convenient to further assemble.
The technical solution is further explained below:
in one embodiment, the power amplifier module includes a second frame and a power amplifier component, the power amplifier component is disposed in the second frame, a fixing component is disposed on the second frame, and the fixing component is used for fixing the power amplifier module in the mounting area.
In one embodiment, a mounting plate is disposed on the second frame, the fixing assembly includes at least two screws disposed at intervals, and one end of each screw can penetrate through the mounting plate and be screwed with the first frame or the separation frame, so as to fix the power amplifier module in the mounting region of the first frame.
In one embodiment, the power amplifier unit further includes a fixing block, the fixing block is disposed on each of the separation frame and the first frame, the mounting plate is disposed corresponding to the fixing block, and the screw is screwed to the fixing block to fix the power amplifier module in the mounting region of the first frame.
In one embodiment, at least one fixed block is arranged on the side wall of the separation frame in the installation area, at least one fixed block is arranged on the side wall of the first frame in the installation area, and an avoidance space corresponding to the fixed block is arranged on the second frame.
In one embodiment, the first frame is a box body, two fixing blocks are arranged on the side wall of the first frame facing the separation frame at intervals, and two fixing blocks are arranged on the side wall of the separation frame positioned in the two mounting areas at intervals;
the second frame is a box body, the mounting plate is a side plate arranged on the second frame, and the mounting plate is arranged around the periphery of the second frame;
the avoidance spaces are arranged on two opposite sides of the second frame and are formed along the direction in which the power amplifier module is installed in the first frame;
the cross section of the fixed block is triangular, and the avoiding space is a sliding chute which is arranged corresponding to the fixed block.
In one embodiment, the first frame is provided with at least two guide posts, the guide posts correspond to the mounting areas one by one, and the second frame is provided with guide grooves, which correspond to the guide posts;
the second frame is provided with a first board surface, the first board surface is provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged on the first board surface at intervals.
In one embodiment, the first frame is provided with at least one first handle; at least one second handle is arranged on the second frame.
Another embodiment further provides a power amplifier, which includes at least two power amplifier units according to any of the above technical solutions, where different power amplifier units have different functional modules.
The power amplifier comprises at least two power amplifier units, and different power amplifier units have different functions, so that the power amplifier units are arranged in a modularized mode through the functions, and the power amplifier units are more convenient to assemble and disassemble.
In addition, a further embodiment provides a transceiver comprising a power amplifier as described in the above technical solution.
The transceiver adopts the power amplifier, so that the power amplifier unit of the transceiver is more convenient to assemble and disassemble.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a power amplifier in one embodiment;
FIG. 2 is an exploded view of the power amplifier of the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of a power amplifier module in the embodiment of fig. 1;
FIG. 4 is a schematic structural diagram of a first frame in the embodiment of FIG. 1;
fig. 5 is an enlarged view of the location of the mounting area in the embodiment of fig. 4.
Reference is made to the accompanying drawings in which:
100. a first frame; 110. a separation frame; 120. an installation area; 131. a fixed block; 132. a fixing strip; 140. a guide post; 150. a first handle; 200. a power amplifier module; 210. a second frame; 211. mounting a plate; 212. avoiding a space; 213. a first board surface; 214. heat dissipation holes; 215. a second handle; 221. and (4) screws.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
in order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Due to the limitations of semiconductor technology, heat dissipation density, task reliability and the like, the power amplifier of the high-power transmitter cannot directly generate rated output power by a single power amplifier module, but can be obtained by combining a plurality of basic amplification modules to form the high-power transmitter and then synthesizing for many times.
The traditional power amplifier unit generally adopts two forms:
first, the function of a single power amplifier module forms a power amplifier unit. Although the cost of the power amplifier unit is low, the structure of a high-power transmitter is very complex, and the number of internal connecting wires is large, so that the connecting wires, the structure and the like are extremely complex due to the plurality of power amplifier units, and the weight of the whole machine is increased.
Secondly, the functions of a plurality of functional modules form a power amplifier unit. The internal connection of the power amplification unit in the form is simple, but the cost is high, the weight of the functional unit is heavy, and the power amplification unit is difficult to carry by a single person.
To this end, referring to fig. 1 and fig. 2, a power amplifier unit is provided, which includes a first frame 100 and at least two power amplifier modules 200 integrated on the first frame 100. On one hand, the power amplifier modules 200 form a functional module, so that the power amplifier unit only corresponds to one function, and the power amplifier unit has a specific function; on the other hand, compared with the function integration mode of a plurality of power amplifier modules 200, the complexity of internal connection lines is avoided, and the assembly and disassembly cost is reduced; in addition, the functional module is provided with a separate mounting area 120, so that the assembly and disassembly are also simplified. The modular arrangement also facilitates handling.
Specifically, referring to fig. 2, 4 and 5, the first frame 100 is provided with an installation space and a separation frame 110, the separation frame 110 is disposed in the installation space, and at least one separation frame 110 is disposed to separate the installation space into at least two installation areas 120.
As shown in fig. 4, the first frame 100 is a drawer-type rectangular frame, and a separation frame 110 is disposed inside the first frame, and the separation frame 110 is equivalent to a separation frame or a separation plate, so as to separate an installation space of the first frame 100 into two installation areas 120, thereby providing installation of two power amplifier modules 200.
In an embodiment, referring to fig. 1 and fig. 2, at least two power amplifier modules 200 are provided, the power amplifier modules 200 are provided in the corresponding mounting areas 120, and all the power amplifier modules 200 form a functional module.
At least two power amplifier modules 200 form a functional module, when the power amplifier module is applied to a power amplifier, particularly a high-power amplifier, power amplifier units with different functions can be specifically installed, the power amplifier units with different functions are combined together, and the modularized installation with convenient assembly and disassembly is realized.
In the power amplifier unit, the first frame 100 is divided into at least two mounting areas 120 by the separating frame 110, and the power amplifier module 200 is mounted in the corresponding mounting area 120, so that on one hand, the assembly difficulty is reduced through modular arrangement, the assembly and disassembly are more convenient, and on the other hand, the complexity of internal wiring is reduced; meanwhile, all the power amplifier modules 200 form a functional module, so that one power amplifier unit has a specific function, and further assembly is facilitated.
In an embodiment, referring to fig. 3, the power amplifier module 200 includes a second frame 210 and a power amplifier component, the power amplifier component is disposed in the second frame 210, and a fixing component is disposed on the second frame 210, and the fixing component is configured to fix the power amplifier module 200 in the installation area 120.
The second frame 210 is used to mount a power amplifier module, which is an internal component for implementing the function of the power amplifier module 200, and the fixing component is used to fix the power amplifier module 200 in the corresponding mounting region 120.
As shown in fig. 1 and 2, two power amplifier modules 200 are mounted in the mounting region 120 of the first frame 100 like a drawer and fixed by a fixing member.
In one embodiment, referring to fig. 3, a mounting plate 211 is disposed on the second frame 210, the fixing component includes at least two screws 221, the screws 221 are disposed at intervals, and one end of each screw 221 can penetrate through the mounting plate 211 to be screwed with the first frame 100 or the separation frame 110, so as to fix the power amplifier module 200 to the mounting region 120 of the first frame 100.
As shown in fig. 3, the second frame 210 is provided with a mounting plate 211, the mounting plate 211 is used for fixing the screw 221 to the first frame 100, and the mounting plate 211 may also be a part of the second frame 210 to provide a member for connecting the screw 221 to the second frame 210, so as to fix the power amplifier module 200 to the first frame 100.
In an embodiment, referring to fig. 4 and 5, the power amplifier unit further includes a fixing block 131, the fixing block 131 is disposed on both the separation frame 110 and the first frame 100, the mounting plate 211 is disposed corresponding to the fixing block 131, and the screw 221 is screwed to the fixing block 131 to fix the power amplifier module 200 to the mounting region 120 of the first frame 100.
The fixing block 131 is provided with a fixing hole to be matched with the screw 221, so that the power amplifier module 200 can be matched with the fixing hole of the fixing block 131 by the mounting plate 211 through the screw 221, the function of fixing the mounting plate 211 on the first frame 100 is realized, and the power amplifier module 200 is further fixed on the first frame 100.
In one embodiment, referring to fig. 4 and 5, at least one fixing block 131 is disposed on a side wall of the partition frame 110 located in the installation area 120, at least one fixing block 131 is disposed on a side wall of the first frame 100 located in the installation area 120, and an avoidance space 212 corresponding to the fixing block 131 is disposed on the second frame 210.
As shown in fig. 4, in order to fix the power amplifier module 200 better, a plurality of screws 221 are provided, and the plurality of screws 221 must be installed with corresponding installation plates 211 and fixing blocks 131 for correspondence and matching, so that the corresponding fixing blocks 131 are provided on both the separation frame 110 and the first frame 100, so as to achieve better fixation after the power amplifier module 200 is inserted into the installation area 120.
As shown in fig. 4, a partition frame 110 is provided in the first frame 100, thereby forming two left and right mounting regions 120. The side wall of the separation frame 110 located in the installation area 120 is provided with at least one fixing block 131, that is, the left and right sides of the middle separation frame 110 are provided with at least one fixing block 131, so as to respectively satisfy the installation and fixation of the left and right two power amplifier modules 200 in the corresponding installation areas 120.
As shown in fig. 4, at least one fixing block 131 is disposed on a side wall of the first frame 100 located in the mounting area 120, that is, in fig. 4, a left side of the left mounting area 120 is also a left inner wall of the first frame 100, and the inner wall is provided with at least one fixing block 131, so that the left side and the right side of the left mounting area 120 are both provided with at least one fixing block 131, so that the left side and the right side of the power amplifier module 200 in the mounting area 120 are both fixed well.
Similarly, as shown in fig. 4, the right side of the right mounting area 120, that is, the right inner wall of the first frame 100, is provided with at least one fixing block 131, so that the left and right sides of the right mounting area 120 are both corresponding to the at least one fixing block 131, so that the left and right sides of the functional module in the mounting area 120 are both fixed well.
In one embodiment, referring to fig. 1, fig. 2 and fig. 4, the first frame 100 is a box, two fixing blocks 131 are disposed on a side wall of the first frame 100 facing the separation frame 110 at intervals, and two fixing blocks 131 are disposed on side walls of the separation frame 110 located in the two mounting areas 120 at intervals.
As shown in fig. 4, the first frame 100 is a box body having an opening for placing the power amplifier module 200 therein, the left and right side walls of the first frame 100 are respectively provided with an upper fixing block 131 and a lower fixing block 131, and the left and right sides of the partition frame 110 are also respectively provided with an upper fixing block 131 and a lower fixing block 131. Accordingly, the screws 221 are correspondingly arranged, that is, eight screws 221 are arranged.
In one embodiment, referring to fig. 3, the second frame 210 is a box, the mounting plate 211 is a side plate disposed on the second frame 210, and the mounting plate 211 is disposed around the outer circumference of the second frame 210.
The side plate is a plate connected to the second frame 210, and functions to fix the power amplifier module 200 to the first frame 100 by fixing the mounting plate 211 to the first frame 100 with the screw 221.
Of course, for better fixing, corresponding mounting plates 211 may be disposed on four sides of the second frame 210 to match with the corresponding screws 221 for fixing according to needs.
In one embodiment, referring to fig. 2 and fig. 3, the avoidance spaces 212 are disposed on two opposite sides of the second frame 210, and the avoidance spaces 212 are opened along a direction in which the power amplifier module 200 is installed in the first frame 100.
When the power amplifier module 200 is inserted into the mounting region 120 of the first frame 100, if the fixing block 131 is fixed to the inner wall of the first frame 100 or the side wall of the partition frame 110, interference may occur between the fixing block and the outer wall of the first frame 100 of the power amplifier module 200, and therefore, an escape space 212 is formed in the outer wall of the second frame 210 to avoid interference between the fixing block and the fixing block 131.
In one embodiment, referring to fig. 2 and 3, the cross section of the fixed block 131 is a triangle, and the avoiding space 212 is a sliding groove corresponding to the fixed block 131.
As shown in fig. 2 and 3, when the second frame 210 is a box, the avoiding space 212 is a sliding groove disposed on two opposite sides of the second frame 210, and at this time, in the process of inserting the power amplifier module 200 into the mounting area 120 of the first frame 100, a limiting effect is equivalently performed between the fixing block 131 and the avoiding space 212.
In one embodiment, referring to fig. 5, the first frame 100 is provided with at least two guide posts 140, the guide posts 140 correspond to the mounting regions 120 one by one, and the second frame 210 is provided with guide slots, the guide slots are arranged corresponding to the guide posts 140.
The guide posts 140 serve to limit and position the power amplifier module 200 after it is inserted into the first frame 100.
Alternatively, the guide posts 140 may be guide pins or stopper pins fixed within the first frame 100.
In one embodiment, referring to fig. 1 to 3, the second frame 210 has a first plate 213, the first plate 213 has a plurality of heat dissipation holes 214, and the heat dissipation holes 214 are disposed on the first plate 213 at intervals.
The first board 213 of the second frame 210 is a board that is disposed outside the power amplifier module 200 after the power amplifier module 200 is mounted in the mounting area 120, and the first board 213 may be provided with a plurality of heat dissipation holes 214 to dissipate heat of the power amplifier module.
In one embodiment, referring to fig. 1, fig. 2, fig. 4 and fig. 5, at least one first handle 150 is disposed on the first frame 100.
As shown in fig. 4, first handles 150 are respectively fixed to left and right sides of the first frame 100 to facilitate lifting the first frame 100 for easy assembly and disassembly.
As shown in fig. 1 to 3, at least one second handle 215 is disposed on the second frame 210.
As shown in fig. 3, the left and right sides of the second frame 210 are also provided with second handles 215, and the second handles 215 are fixed on the first plate surface 213, so as to facilitate lifting the power amplifier module 200, placing the power amplifier module 200 into the first frame 100, and lifting the power amplifier module 200 out of the first frame 100, thereby facilitating the assembly and disassembly operations.
As shown in the embodiment of fig. 1, the embodiment further provides a power amplifier, which includes at least two power amplifier units according to any of the above embodiments, where different power amplifier units have different functional modules.
This power amplifier, including two at least power amplifier units, different power amplifier units possess different functions to the function carries out power amplifier unit's setting and modularized setting, installs and removes more conveniently.
Another embodiment provides a transceiver comprising a power amplifier as described in the previous embodiments.
The transceiver adopts the power amplifier, so that the power amplifier unit of the transceiver is more convenient to assemble and disassemble.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A power amplifier unit, comprising:
the first frame is provided with an installation space and separation frames, the separation frames are arranged in the installation space, and at least one separation frame is arranged to divide the installation space into at least two installation areas; and
the power amplifier module, the power amplifier module is equipped with two at least, the power amplifier module is located and is corresponded the installing zone, all the power amplifier module forms a functional module.
2. The power amplifier unit of claim 1, wherein the power amplifier module comprises a second frame and a power amplifier module, the power amplifier module is disposed in the second frame, and the second frame is provided with a fixing component, and the fixing component is configured to fix the power amplifier module in the mounting area.
3. The power amplifier unit of claim 2, wherein a mounting plate is disposed on the second frame, the fixing component comprises at least two screws disposed at intervals, and one end of each screw can penetrate through the mounting plate to be screwed with the first frame or the separation frame, so as to fix the power amplifier module in the mounting region of the first frame.
4. The power amplifier unit of claim 3, further comprising a fixing block, wherein the fixing block is disposed on each of the separation frame and the first frame, the mounting plate is disposed corresponding to the fixing block, and the screw is screwed to the fixing block to fix the power amplifier module in the mounting region of the first frame.
5. The power amplifier unit according to claim 4, wherein at least one of the fixing blocks is disposed on a side wall of the partition frame located in the mounting region, at least one of the fixing blocks is disposed on a side wall of the first frame located in the mounting region, and the second frame is provided with an avoiding space corresponding to the fixing block.
6. The power amplifier unit according to claim 5, wherein the first frame is a box, two fixing blocks are spaced from each other on a side wall of the first frame facing the separation frame, and two fixing blocks are spaced from each other on a side wall of the separation frame located in the two mounting areas;
the second frame is a box body, the mounting plate is a side plate arranged on the second frame, and the mounting plate is arranged around the periphery of the second frame;
the avoidance spaces are arranged on two opposite sides of the second frame and are formed along the direction in which the power amplifier module is installed in the first frame;
the cross section of the fixed block is triangular, and the avoiding space is a sliding chute which is arranged corresponding to the fixed block.
7. The power amplifier unit according to claim 6, wherein the first frame is provided with at least two guide posts corresponding to the mounting regions one by one, and the second frame is provided with guide slots corresponding to the guide posts;
the second frame is provided with a first board surface, the first board surface is provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged on the first board surface at intervals.
8. The power amplifier unit according to any of claims 2-7, wherein at least one first handle is provided on said first frame; at least one second handle is arranged on the second frame.
9. A power amplifier comprising a power amplifier unit according to any of claims 1-8, wherein at least two power amplifier units are provided, and different power amplifier units have different functional modules.
10. A transceiver comprising a power amplifier as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021448015.1U CN213027956U (en) | 2020-07-21 | 2020-07-21 | Power amplifier unit, power amplifier and transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021448015.1U CN213027956U (en) | 2020-07-21 | 2020-07-21 | Power amplifier unit, power amplifier and transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027956U true CN213027956U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021448015.1U Active CN213027956U (en) | 2020-07-21 | 2020-07-21 | Power amplifier unit, power amplifier and transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213027956U (en) |
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2020
- 2020-07-21 CN CN202021448015.1U patent/CN213027956U/en active Active
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