CN219513347U - Remote electric tuning driver capable of sharing base station antenna by multiple RRUs - Google Patents
Remote electric tuning driver capable of sharing base station antenna by multiple RRUs Download PDFInfo
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- CN219513347U CN219513347U CN202320228993.2U CN202320228993U CN219513347U CN 219513347 U CN219513347 U CN 219513347U CN 202320228993 U CN202320228993 U CN 202320228993U CN 219513347 U CN219513347 U CN 219513347U
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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 discloses a remote electric adjustment driver capable of sharing a base station antenna by multiple RRUs, which comprises a PCBA circuit board, a gear shifting structure, two motors, two connecting shaft blocks and a plurality of interfaces, wherein the PCBA circuit board is electrically connected with each motor and each interface and is in driving control connection with the motors, the motors are connected with the gear shifting structure of the gear shifting structure through the connecting shaft blocks, and the gear shifting structure is used for driving the base station antenna to adjust a signal radiation surface; it can be seen that the electric tilt angle adjusting device is provided with a plurality of interfaces, can be controlled by a plurality of RRUs together, receives a control command of a base station, drives a gear shifting structure through a motor, and adjusts the electric tilt angle of the electric tilt antenna through the gear shifting structure, so that the electric tilt driver is prevented from being overlarge in size.
Description
Technical Field
The utility model relates to the technical field of mobile communication, in particular to a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs.
Background
With the rapid development of the communication industry, the demand of electrically tunable base station antennas is increasing, and in particular, the demand of multi-frequency base station antennas is increasing in recent years. The multi-frequency electric tuning base station antenna is different from the traditional hand tuning antenna or the single-frequency electric tuning antenna. The conventional base station antenna is a manual adjustment antenna, a manual climbing tower is needed to adjust a mechanical downtilt angle to realize the optimization of a coverage network, and later evolution is to adopt an electric adjustment antenna, and a control core of the common electric adjustment antenna is to adopt a plurality of RCUs (remote control units) to drive a phase shifter network inside the base station antenna, so that remote electric tilt adjustment can be realized. The method means that the coverage of the antenna signals of the base station can be remotely adjusted in a network dimension operation and maintenance center, and network optimization is realized. While this stage solves the problem of remote tone with multiple RCUs, the multiple frequency bands require multiple RCUs which undoubtedly increase the cost of the device.
The existing mainstream electrically tunable antenna driver interface has two AISG (Antenna Interface Standards Group, electrically tunable antenna device standard organization) interfaces, but the internal design is usually connected together. Only one path of RS485 interface is contained, and the Remote Radio Unit (RRU) can only control the remote radio unit. On the one hand, when the base station antenna is increased, the demand of the communication tower needs to be increased, and RRU equipment needs to be increased, which obviously is unfavorable for saving equipment cost, and the burden of building the communication tower station cannot be reduced, so that the electric tuning driver with a plurality of interfaces is designed in the prior art, but the electric tuning driver with a plurality of interfaces is provided with more interfaces on the one hand, and a plurality of motors are required on the other hand, so that the volume of the electric tuning driver is overlarge, and the universality is reduced.
Disclosure of Invention
The utility model provides a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs, which has multiple interfaces and realizes smaller volume.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a can many RRUs share basic station antenna's long-range electricity is transferred driver, includes PCBA circuit board, structure of shifting, two motors, two connecting axle piece and a plurality of interface, each motor and interface are connected to PCBA circuit board electricity, and with motor drive control connects, the motor is connected with the structure of shifting of the mechanism of shifting through connecting the axle piece, the motor is used for driving the structure of shifting, the structure of shifting is used for driving in order to adjust the signal radiation face to basic station antenna.
Further, the interface includes an AISG connector.
Further, the AISG connector includes an input AISGIN and a cascade port AISGOUT.
Further, the interface includes an SBT interface.
Further, the novel electric motor comprises a front end plate, a shell and a rear cover plate, wherein the shell is cylindrical, the front end plate and the rear cover plate cover the two ends of the shell respectively, an accommodating space is formed by surrounding the front end plate and the rear cover plate and the shell together, the PCBA circuit board is located in the accommodating space, and the interface and the motor are located on the front end plate or the rear cover plate.
Further, a rubber ring is arranged between the front end plate and the shell, and a rubber ring is arranged between the rear cover plate and the shell.
Further, the motor is a motor with a speed reducing device.
Further, the motor is a brushless motor, a brushed motor or a stepper motor.
Further, the PCBA circuit board comprises a power supply system, a micro controller MCU minimum system, a motor driving circuit and an RS485 communication line, wherein the micro controller MCU minimum system is electrically connected with the power supply system, the motor driving circuit and the RS485 communication line.
Further, the PCBA circuit board further comprises a lightning surge protection circuit, a surge slow starting circuit and an overvoltage and overcurrent protection circuit.
The utility model has the beneficial effects that: a remote electric adjustment driver capable of sharing a base station antenna by multiple RRUs is provided with multiple interfaces, the multiple interfaces can be controlled by the multiple RRUs together, a control command of the base station is received, a gear shifting structure is driven by a motor, and the electric inclination angle of the electric adjustment antenna is calibrated and adjusted by the gear shifting structure, so that the electric adjustment driver is prevented from being overlarge in size.
Drawings
Fig. 1 is a schematic structural diagram of a remote tone driver capable of sharing a base station antenna with multiple RRUs according to the present utility model;
fig. 2 is a schematic structural view of a gear shifting structure according to the present utility model.
Reference numerals illustrate:
1. AISG connectors; 2. a front end plate; 3. a housing; 4. PCBA circuit board; 5. a motor; 6. a connecting shaft block; 7. an SBT interface; 8. a back cover plate; 91. a first driving member; 92. a second driving member, 93, an electrically modulating assembly; 931. a screw; 932. and an electric adjusting piece.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-2, a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs includes a PCBA circuit board, a shift structure, two motors, two connecting shaft blocks and multiple interfaces, wherein the PCBA circuit board is electrically connected with each motor and the interfaces and is connected with a motor driving control, the motors are connected with the shift structure of the shift structure via the connecting shaft blocks, and the motors are used for driving the shift structure, and the shift structure is used for driving the base station antenna to adjust a signal radiation surface.
From the above description, the beneficial effects of the utility model are as follows: a remote electric adjustment driver capable of sharing a base station antenna by multiple RRUs is provided with multiple interfaces, the multiple interfaces can be controlled by the multiple RRUs together, a control command of the base station is received, a gear shifting structure is driven by a motor, and the electric inclination angle of the electric adjustment antenna is calibrated and adjusted by the gear shifting structure, so that the electric adjustment driver is prevented from being overlarge in size.
Further, the interface includes an AISG connector.
From the above description, it is clear that the remote tone driver complies with the AISG/3GPP protocol and is able to communicate with the base station via an AISG connector.
Further, the AISG connector includes an input AISGIN and a cascade port AISGOUT.
From the above description, it is known that the input AISGIN realizes communication with the RRU, and the cascade port AISGOUT realizes cascade connection with the next electrically tunable antenna.
Further, the interface includes an SBT interface.
From the above description, it is clear that RF communication of the remote tone drivers with the base station is achieved through the SBT interface.
Further, the novel electric motor comprises a front end plate, a shell and a rear cover plate, wherein the shell is cylindrical, the front end plate and the rear cover plate cover the two ends of the shell respectively, an accommodating space is formed by surrounding the front end plate and the rear cover plate and the shell together, the PCBA circuit board is located in the accommodating space, and the interface and the motor are located on the front end plate or the rear cover plate.
From the above description, a specific shell structure of the electrically controlled actuator is provided, and the basic protection of the PCBA circuit board is realized through the accommodating space.
Further, a rubber ring is arranged between the front end plate and the shell, and a rubber ring is arranged between the rear cover plate and the shell.
From the above description, the rubber ring realizes the integral waterproof function and can adapt to extreme weather of outdoor work.
Further, the motor is a motor with a speed reducing device.
From the above description, it is known that the motor with the accelerating device can accurately realize the tilt angle positioning control.
Further, the motor is a brushless motor, a brushed motor or a stepper motor.
From the above description, a specific scheme of the motor is given.
Further, the PCBA circuit board comprises a power supply system, a micro controller MCU minimum system, a motor driving circuit and an RS485 communication line, wherein the micro controller MCU minimum system is electrically connected with the power supply system, the motor driving circuit and the RS485 communication line.
From the above description, the micro controller MCU minimum system is the brain core of the system, commands the work of each component and monitors the work effect, the power supply system provides stable working power for the driver, and the RS485 communication line realizes a physical connection path which interacts with the RRU main equipment.
Further, the PCBA circuit board further comprises a lightning surge protection circuit, a surge slow starting circuit and an overvoltage and overcurrent protection circuit.
According to the description, the surge protection circuit is used for realizing the protection against outdoor lightning extreme weather, the surge current is reduced through the surge slow starting circuit, the related sensitive devices on the circuit are prevented from being damaged by the excessive surge current, and the equipment can be protected from being damaged when the voltage and the current exceed the equipment specification through the overvoltage overcurrent protection circuit.
The remote electric tuning driver capable of sharing the base station antenna by multiple RRUs is used for realizing the control of the multiple RRUs on one electric tuning driver.
Referring to fig. 1, a first embodiment of the present utility model is as follows:
a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs comprises a front end plate, a shell 3, a rear cover plate 8, a PCBA circuit board 4, two motors 5 and two connecting shaft blocks 6, and a gear shifting structure shown in figure 2.
Referring to fig. 1, the casing 3 is cylindrical, the front end plate and the rear cover plate 8 cover two ends of the casing 3 respectively, and enclose a containing space together with the casing 3, the PCBA circuit board 4 is disposed in the containing space, a rubber ring is disposed between the front end plate 2 and the casing 3, and a rubber ring is disposed between the rear cover plate 8 and the casing 3.
The front end plate is provided with two pairs of AISG connectors 1, each pair of AISG connectors 1 comprises an input port AISSIN and a cascade port AISSOUT, wherein the input port AISSIN can be respectively connected with the input and output ports of two RRUs, and the cascade port AISSOUT can be respectively connected with the next electrically tunable antenna RET module in a cascade mode.
The rear end cover is provided with two motors 5 and two SBT interfaces 7, wherein the SBT interfaces 7 are used for being connected with RRUs in an RF (radio frequency) feeder mode, the motors 5 are specifically motors 5 with speed reducing devices, the motors can be brushless motors 5, brush motors 5 or stepping motors 5, the motors 5 are respectively connected with a gear shifting structure shown in fig. 2 through connecting shaft blocks 6, and a phase shifter network of a multi-frequency base station antenna is driven through the gear shifting structure so as to adjust an electric lower inclined angle.
The driving of the multiple frequency band radio frequency signal phase shifters of the multiple frequency band base station antenna through the two motors 5 can be realized through the gear shifting structure, so that enough vacant positions are left for setting the SBT interface 7 while the miniaturization of the electric tuning driver is kept, and various connection modes of the electric tuning driver and the RRU are realized.
The gear shifting device comprises a first driving member 91, a second driving member 92 and a plurality of electric adjusting components 93, wherein the second driving member 92 is used for driving an internal gear shifting lever, so that the first driving member 91 is connected with different electric adjusting components 93, the first driving member 91 drives a screw 931 of the corresponding electric adjusting component 93 to rotate so as to drive a corresponding electric adjusting component 932 of the electric adjusting component 93 to act, in the embodiment, the first driving member 91 and the second driving member 92 are respectively driven by two motors 5, and in other embodiments, the two motors 5 can also be directly used as the first driving member 91 and the second driving member 92 so as to reduce internal components.
For a more specific principle of the gear shifting structure, reference may be made to patent document CN209249698U, and for avoiding redundancy, the description is omitted here.
The PCBA circuit board 4 is electrically connected with each motor 5, the SBT interface 7 and the AISG connector 1, and comprises a power supply system, a microcontroller MCU minimum system, a motor 5 driving circuit, an RS485 communication line, a lightning surge protection circuit, a surge slow starting circuit and an overvoltage and overcurrent protection circuit.
The electric tuning driver can correctly identify which one of the plurality of RRUs the received control information comes from, has port authority management configuration, can identify whether the RRU of the connected corresponding port has authority for controlling and managing the electric downtilt angles of the plurality of arrays of the electric tuning antenna, if the port has corresponding authority, when the RRU is connected to the port, the corresponding array UID which can be used for controlling the port can be searched and identified according to an AISG/3GPP protocol sending command frame, and further can control the motor 5 to adjust the electric downtilt angle of the multi-frequency electric tuning antenna, so that the signal coverage of the multi-frequency electric tuning antenna can be correspondingly changed;
the two-way port voltage can be identified, whether the port RRU supplies power on or off can be correctly identified, and the port RRU is in accordance with AISG/3GPP (the third Generation partnership project) protocol design, and the data link layer is in accordance with HDLC (High-Level Data Link Control, advanced data Link control). Can be simultaneously controlled by a plurality of RRUs supporting AISG/3GPP protocols.
In summary, the remote electric tuning driver capable of sharing the base station antenna by multiple RRUs provided by the utility model has multiple interfaces, which can be controlled by multiple RRUs together, receive the control command of the base station, drive the shift structure by the motor, and calibrate and adjust the electric tilt angle of the electric tuning antenna by the shift structure, thereby avoiding the overlarge volume of the electric tuning driver.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model. Referring to fig. 1-2, a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs includes a PCBA circuit board, a gear shifting structure, two motors, two connecting shaft blocks and multiple interfaces, wherein the PCBA circuit board is electrically connected with each motor and the interfaces, and is connected with a motor driving control, the interfaces for identifying input signals are used for determining driving instructions according to the input signals and sending the driving instructions to the motors, the motors are connected with the gear shifting structure by the connecting shaft blocks, the motors are used for driving the gear shifting structure, and the gear shifting structure is used for driving the base station antenna to adjust a signal radiation surface.
From the above description, the beneficial effects of the utility model are as follows: a remote electric adjustment driver capable of sharing a base station antenna by multiple RRUs is provided with multiple interfaces, the multiple interfaces can be controlled by the multiple RRUs together, a control command of the base station is received, a gear shifting structure is driven by a motor, and the electric inclination angle of the electric adjustment antenna is calibrated and adjusted by the gear shifting structure, so that the electric adjustment driver is prevented from being overlarge in size.
Further, the interface includes an AISG connector.
From the above description, it is clear that the remote tone driver complies with the AISG/3GPP protocol and is able to communicate with the base station via an AISG connector.
Further, the AISG connector includes an input AISGIN and a cascade port AISGOUT.
From the above description, it is known that the input AISGIN realizes communication with the RRU, and the cascade port AISGOUT realizes cascade connection with the next electrically tunable antenna.
Further, the interface includes an SBT interface.
From the above description, it is clear that RF communication of the remote tone drivers with the base station is achieved through the SBT interface.
Further, the novel electric motor comprises a front end plate, a shell and a rear cover plate, wherein the shell is cylindrical, the front end plate and the rear cover plate cover the two ends of the shell respectively, an accommodating space is formed by surrounding the front end plate and the rear cover plate and the shell together, the PCBA circuit board is located in the accommodating space, and the interface and the motor are located on the front end plate or the rear cover plate.
From the above description, a specific shell structure of the electrically controlled actuator is provided, and the basic protection of the PCBA circuit board is realized through the accommodating space.
Further, a rubber ring is arranged between the front end plate and the shell, and a rubber ring is arranged between the rear cover plate and the shell.
From the above description, the rubber ring realizes the integral waterproof function and can adapt to extreme weather of outdoor work.
Further, the motor is a motor with a speed reducing device.
From the above description, it is known that the motor with the accelerating device can accurately realize the tilt angle positioning control.
Further, the motor is a brushless motor, a brushed motor or a stepper motor.
From the above description, a specific scheme of the motor is given.
Further, the PCBA circuit board comprises a power supply system, a micro controller MCU minimum system, a motor driving circuit and an RS485 communication line, wherein the micro controller MCU minimum system is electrically connected with the power supply system, the motor driving circuit and the RS485 communication line.
From the above description, the micro controller MCU minimum system is the brain core of the system, commands the work of each component and monitors the work effect, the power supply system provides stable working power for the driver, and the RS485 communication line realizes a physical connection path which interacts with the RRU main equipment.
Further, the PCBA circuit board further comprises a lightning surge protection circuit, a surge slow starting circuit and an overvoltage and overcurrent protection circuit.
According to the description, the surge protection circuit is used for realizing the protection against outdoor lightning extreme weather, the surge current is reduced through the surge slow starting circuit, the related sensitive devices on the circuit are prevented from being damaged by the excessive surge current, and the equipment can be protected from being damaged when the voltage and the current exceed the equipment specification through the overvoltage overcurrent protection circuit.
The remote electric tuning driver capable of sharing the base station antenna by multiple RRUs is used for realizing the control of the multiple RRUs on one electric tuning driver.
Referring to fig. 1, a first embodiment of the present utility model is as follows:
a remote electric tuning driver capable of sharing a base station antenna by multiple RRUs comprises a front end plate, a shell 3, a rear cover plate 8, a PCBA circuit board 4, two motors 5 and two connecting shaft blocks 6, and a gear shifting structure shown in figure 2.
Referring to fig. 1, the casing 3 is cylindrical, the front end plate and the rear cover plate 8 cover two ends of the casing 3 respectively, and enclose a containing space together with the casing 3, the PCBA circuit board 4 is disposed in the containing space, a rubber ring is disposed between the front end plate 2 and the casing 3, and a rubber ring is disposed between the rear cover plate 8 and the casing 3.
The front end plate is provided with two pairs of AISG connectors 1, each pair of AISG connectors 1 comprises an input port AISSIN and a cascade port AISSOUT, wherein the input port AISSIN can be respectively connected with the input and output ports of two RRUs, and the cascade port AISSOUT can be respectively connected with the next electrically tunable antenna RET module in a cascade mode.
The rear end cover is provided with two motors 5 and two SBT interfaces 7, wherein the SBT interfaces 7 are used for being connected with RRUs in an RF (radio frequency) feeder mode, the motors 5 are specifically motors 5 with speed reducing devices, the motors can be brushless motors 5, brush motors 5 or stepping motors 5, the motors 5 are respectively connected with a gear shifting structure shown in fig. 2 through connecting shaft blocks 6, and a phase shifter network of a multi-frequency base station antenna is driven through the gear shifting structure so as to adjust an electric lower inclined angle.
The driving of the multiple frequency band radio frequency signal phase shifters of the multiple frequency band base station antenna through the two motors 5 can be realized through the gear shifting structure, so that enough vacant positions are left for setting the SBT interface 7 while the miniaturization of the electric tuning driver is kept, and various connection modes of the electric tuning driver and the RRU are realized.
The gear shifting device comprises a first driving member 91, a second driving member 92 and a plurality of electric adjusting components 93, wherein the second driving member 92 is used for driving an internal gear shifting lever, so that the first driving member 91 is connected with different electric adjusting components 93, the first driving member 91 drives a screw 931 of the corresponding electric adjusting component 93 to rotate so as to drive a corresponding electric adjusting component 932 of the electric adjusting component 93 to act, in the embodiment, the first driving member 91 and the second driving member 92 are respectively driven by two motors 5, and in other embodiments, the two motors 5 can also be directly used as the first driving member 91 and the second driving member 92 so as to reduce internal components.
For a more specific principle of the gear shifting structure, reference may be made to patent document CN209249698U, and for avoiding redundancy, the description is omitted here.
The PCBA circuit board 4 is electrically connected with each motor 5, the SBT interface 7 and the AISG connector 1, and comprises a power supply system, a microcontroller MCU minimum system, a motor 5 driving circuit, an RS485 communication line, a lightning surge protection circuit, a surge slow starting circuit and an overvoltage and overcurrent protection circuit. The PCBA circuit board 4 is connected with each motor 5 in a driving control manner, and is used for identifying the interface of the input signal, determining a driving instruction according to the input signal and sending the driving instruction to the motors.
The electric tuning driver can correctly identify which one of the plurality of RRUs the received control information comes from, has port authority management configuration, can identify whether the RRU of the connected corresponding port has authority for controlling and managing the electric downtilt angles of the plurality of arrays of the electric tuning antenna, if the port has corresponding authority, when the RRU is connected to the port, the corresponding array UID which can be used for controlling the port can be searched and identified according to an AISG/3GPP protocol sending command frame, and further can control the motor 5 to adjust the electric downtilt angle of the multi-frequency electric tuning antenna, so that the signal coverage of the multi-frequency electric tuning antenna can be correspondingly changed;
the two-way port voltage can be identified, whether the port RRU supplies power on or off can be correctly identified, and the port RRU is in accordance with AISG/3GPP (the third Generation partnership project) protocol design, and the data link layer is in accordance with HDLC (High-Level Data Link Control, advanced data Link control). Can be simultaneously controlled by a plurality of RRUs supporting AISG/3GPP protocols.
In summary, the remote electric tuning driver capable of sharing the base station antenna by multiple RRUs provided by the utility model has multiple interfaces, which can be controlled by multiple RRUs together, receive the control command of the base station, drive the shift structure by the motor, and calibrate and adjust the electric tilt angle of the electric tuning antenna by the shift structure, thereby avoiding the overlarge volume of the electric tuning driver.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a but remote electricity of many RRUs sharing basic station antenna transfers driver, its characterized in that includes PCBA circuit board, shift structure, two motors, two axle blocks and a plurality of interface, each motor and interface are connected to PCBA circuit board electricity, and with motor drive control connects, the motor is connected with the structure of shifting through the axle block, the motor is used for driving the structure of shifting, the structure of shifting is used for driving in order to adjust the signal radiation face to the basic station antenna.
2. The remote tone driver of claim 1, wherein the interface comprises an AISG connector.
3. The remote tone driver of claim 2, wherein the AISG connector comprises an input AISGIN and a cascading port AISGOUT.
4. The remote tone driver of claim 1, wherein the interface comprises an SBT interface.
5. The remote electrically controlled driver for a multi-RRU shared base station antenna of claim 1, further comprising a front plate, a housing, and a rear plate, wherein the housing is cylindrical, the front plate and the rear plate cover two ends of the housing respectively, and enclose a housing space with the housing, the PCBA circuit board is located in the housing space, and the interface and the motor are located on the front plate or the rear plate.
6. The remote tone driver of claim 5, wherein a rubber ring is provided between the front end plate and the housing and a rubber ring is provided between the back cover plate and the housing.
7. The remote tone driver of claim 1, wherein the motor is a speed reducer-equipped motor.
8. The remote tone driver of claim 1, wherein the motor is a brushless motor, a brushed motor, or a stepper motor.
9. The remote electrically controlled driver capable of sharing a base station antenna with multiple RRUs of claim 1, wherein the PCBA wiring board comprises a power supply system, a microcontroller MCU minimum system electrically connected to the power supply system, the motor driving circuit and the RS485 communication line, a motor driving circuit and an RS485 communication line.
10. The remote tone driver of claim 9, wherein the PCBA circuit board further comprises a lightning surge protection circuit, a surge slow start circuit, and an overvoltage and overcurrent protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228993.2U CN219513347U (en) | 2023-02-07 | 2023-02-07 | Remote electric tuning driver capable of sharing base station antenna by multiple RRUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228993.2U CN219513347U (en) | 2023-02-07 | 2023-02-07 | Remote electric tuning driver capable of sharing base station antenna by multiple RRUs |
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| Publication Number | Publication Date |
|---|---|
| CN219513347U true CN219513347U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320228993.2U Active CN219513347U (en) | 2023-02-07 | 2023-02-07 | Remote electric tuning driver capable of sharing base station antenna by multiple RRUs |
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| Country | Link |
|---|---|
| CN (1) | CN219513347U (en) |
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2023
- 2023-02-07 CN CN202320228993.2U patent/CN219513347U/en active Active
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