CN109600176A - Signal shunt circuit and calibration network - Google Patents
Signal shunt circuit and calibration network Download PDFInfo
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- CN109600176A CN109600176A CN201811643305.9A CN201811643305A CN109600176A CN 109600176 A CN109600176 A CN 109600176A CN 201811643305 A CN201811643305 A CN 201811643305A CN 109600176 A CN109600176 A CN 109600176A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
It includes RF signal circuit and RET unit control signal circuit that the application, which discloses a kind of signal shunt circuit and calibration network, signal shunt circuit,；RF signal circuit includes first transmission line and the isolated DC module being serially connected in first transmission line；RET unit control signal circuit includes second transmission line and one end is connected to the filter module in second transmission line；One end of first transmission line is used to connect the input port of calibration circuit, and the other end is used for connection signal input port；Signal input port controls signal for input rf signal and RET unit；One end of second transmission line is used for connection signal input port for connecting RET unit, the other end.A port is shared by calibration circuit input end and RET unit control signal input, the shunting of RF signal and RET unit control signal is realized, reduces volume, compact layout has saved space and cost.
Description
Technical field
The present invention relates to mobile communication technology fields, more particularly to a kind of signal shunt circuit and calibration network.
Background technique
With the rapid development of mobile communication, to meet the growing mobile data services demand of people, 4G communication network
Network is able to popularize on a large scale, and smart antenna plays important role during this.Pass of the calibration network as smart antenna
Key member by the calibration to system receiving and transmitting signal, and then influences the wave beam forming of smart antenna.
Simultaneously with the multisystem of antenna, multiband, miniaturization and integrated development, in order to save a day space of planes,
Electrical tilt antenna RET (Remote Electrical Tilting) unit switchs to built-in or pluggable form by external, at this stage intelligence
Energy antenna requirement controls RET unit by boundling connector calibration port, and traditional method is to calibrate mouth leading portion, access one in calibration network
Loop makes RET unit control signal and RF (Radio Frequency, radio frequency) signal that can share same port, but feeds
Device occupied space and the coaxial cable for being used for connection, which introduce, to be lost, and the indexs such as the calibration network degree of coupling, calibration port standing wave are disliked
Change.
During realization, inventor has found that at least there are the following problems in traditional technology: in conventional calibration network, calibration
Network input and RET calibration control signal input share Single port need in addition increase a loop, increase cost and
Volume is increased, the layout of smart antenna is influenced.
Summary of the invention
Based on this, it is necessary to which, in conventional calibration network, calibration network input terminal and RET calibrate control signal input
Single port is shared, the big and bulky problem there are cost provides a kind of signal shunt circuit and calibration network.
To achieve the goals above, the embodiment of the invention provides a kind of signal shunt circuit, including RF signal circuit with
RET unit control signal circuit；RF signal circuit includes first transmission line and the isolated DC that is serially connected in first transmission line
Module；RET unit control signal circuit includes second transmission line and one end is connected to the filter module in second transmission line；
One end of first transmission line is used to connect the input port of calibration circuit, and the other end is used for connection signal input terminal
Mouthful；Signal input port controls signal for input rf signal and RET unit；
One end of second transmission line is used for connection signal input port for connecting RET unit, the other end.
Isolated DC module includes the capacitance for being serially connected in first transmission line in one of the embodiments,.
Filter module includes filter capacitor in one of the embodiments,；
The anode connection second transmission line of filter capacitor, cathode is for being grounded.
The quantity of filter capacitor is at least four in one of the embodiments,.
RET unit control signal circuit further includes that one end is connected in second transmission line in one of the embodiments,
Lightning-protection module.
Lightning-protection module includes gas-discharge tube in one of the embodiments,；
One end of gas-discharge tube connects second transmission line, and the other end is for being grounded.
First transmission line is microstrip transmission line, strip transmission line or mixed transport line in one of the embodiments,；
Second transmission line is microstrip transmission line, strip transmission line or mixed transport line.
On the other hand, the embodiment of the invention also provides a kind of calibration networks, including calibration circuit and above-mentioned signal point
Current circuit；Calibrating circuit includes power distributing network module and multiple directional couplers；Directional coupler is penetrated for being connected to
Between frequency input terminal mouth and aerial array；
The merging port connection signal shunt circuit of power distributing network module, each branch port and each directional coupler
One end, which corresponds, to be connected；
Wherein, directional coupler includes the first coupling arm and the second coupling arm；First coupling arm is coupled with the second coupling arm
It is connected；The branch port of one end connection power distributing network module of first coupling arm；One end of second coupling arm is for connecting
Rf inputs mouth, the other end is for connecting aerial array.
First resistor of the other end connection of first coupling arm for ground connection in one of the embodiments,.
Power distributing network module includes multiple cascade power dividers in one of the embodiments,；
The branch port for cascading the power divider of end connects one end of the first coupling arm.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Based on the setting connection isolated DC module in the first transmission line of RF signal circuit；Signal is controlled in RET unit
Setting connection filter module in the second transmission line of circuit；One end of first transmission line is used to connect the input terminal of calibration circuit
Mouthful, the other end is used for connection signal input port；One end of second transmission line is for connecting RET unit, and the other end is for connecting
Signal input port.And then the RF signal for inputting calibration circuit can be transferred to calibration circuit by signal input port, input RET
The RET unit control signal of unit can be transferred to RET unit by signal input port, pass through calibration circuit input end and RET
Unit control signal input shares a port, realizes the shunting of RF signal and RET unit control signal, reduces body
Product, compact layout have saved space and cost.
Detailed description of the invention
Fig. 1 is the First Principle block diagram of signal shunt circuit in one embodiment；
Fig. 2 is the second functional block diagram of signal shunt circuit in one embodiment；
Fig. 3 is the third functional block diagram of signal shunt circuit in one embodiment；
Fig. 4 is the 4th functional block diagram of signal shunt circuit in one embodiment；
Fig. 5 is the functional block diagram of one embodiment lieutenant colonel pseudo-crystalline lattice.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
In traditional calibration network, usual RET unit control circuit and calibration circuit independent design, cannot share one it is defeated
Inbound port needs in addition to increase by one if circuit input end and the shared Single port of RET unit control signal input need to be calibrated
Loop increases cost, and occupies antenna backside space, influences the layout of antenna back side phase shifter and drive mechanism；And even
The coaxial cable for connecing loop and calibration circuit is longer, and loss is excessive, and the degree of coupling and calibration mouth standing wave to calibration network have shadow
It rings；And in order to compensate for the influence of connecting cable, it can additionally increase debugging working hour, cost of labor will improve.
And the signal shunt circuit of various embodiments of the present invention is used, by the way that signal shunt circuit is embedded in calibration circuit,
Calibration circuit input end can be achieved and RET unit control signal input shares a port, and small in size, compact layout, section
About space and cost.
In order to solve in conventional calibration network, calibration network input terminal and RET calibration control signal input share one end
Mouthful, the big and bulky problem there are cost, the embodiment of the invention provides a kind of signal shunt circuit, Fig. 1 is an implementation
The functional block diagram of signal shunt circuit in example.As shown in Figure 1, including RF signal circuit 110 and RET unit control signal circuit
120；RF signal circuit 110 includes first transmission line 112 and the isolated DC module 114 being serially connected in first transmission line 112；
RET unit control signal circuit 120 includes that second transmission line 122 and one end are connected to the filtering mould in second transmission line 122
Block 124.
One end of first transmission line 112 is used to connect the input port of calibration circuit, and the other end is inputted for connection signal
Port；Signal input port controls signal for input rf signal and RET unit；One end of second transmission line 122 is for connecting
RET unit, the other end are used for connection signal input port.
Wherein, RF signal circuit 110 can be used to the RF signal of input being transferred to calibration circuit；First transmission line 112 can
For transmitting RF signal；Isolated DC module 114 can be used to isolated DC, and (RF signal belongs to exchange letter to transmission AC signal
Number).RET unit control signal circuit 120 can be used to the RET unit control signal of input being transferred to RET unit；Second transmission
Line 122 can be used to transmit RET unit control signal；Filter module 124 can be used to filter out RET unit control signal to RET unit
In transmission process, the RF signal that RET unit control signal is mingled with prevents interference of the RF signal to RET unit control signal；Filtering
Module 124 may further be used to filter out RET unit control signal into RET unit transmission process, RET unit control signal be mingled with its
His noise signal prevents interference of the noise signal to RET unit control signal.Signal input port refers to RF signal circuit
110 with the common signal input part of RET unit control signal circuit 120；Signal input port can be used to input rf signal and RET
Unit controls signal.RF signal is AC signal, RF signal can be used to indicate calibration circuit to the width phase signals of smart antenna into
Row acquisition；It is direct current signal that RET unit, which controls signal, and RET unit control signal can be used to indicate that RET unit is calibrated, read
Take the operation such as RAE (aerial information management module) information and setting inclination angle.
Specifically, based on the concatenation isolated DC module 114 in the first transmission line 112 of RF signal circuit 110；In RET
Filter module 124 is connected in the second transmission line 122 of unit control signal circuit 120；One end of first transmission line 112 connects school
The other end connection of the input port of pseudo-crystalline lattice, first transmission line 112 controls signal for input rf signal and RET unit
Input port；One end of second transmission line 122 connects RET unit, and the other end of second transmission line 122 is inputted for connection signal
Port.When by signal (RF signal or RET unit control signal) input signal input port, RF signal and the control of RET unit are realized
The shunting of signal processed, and RF signal and RET unit control signal are mutually isolated, do not interfere with each other.
In above-mentioned signal shunt circuit, by setting RF signal circuit 110 and RET unit control signal circuit 120, it will believe
The common input end mouth of number input port as RF signal and RET unit control signal realizes that RF signal and the control of RET unit are believed
Number shunting, and two signals (RF signal and RET unit control signal) are mutually isolated, do not interfere with each other, while reducing volume, cloth
Office is compact, has saved space and cost.
In one embodiment, as shown in Fig. 2, providing a kind of signal shunt circuit, including RF signal circuit 110 with
RET unit control signal circuit 120；RF signal circuit 110 is including first transmission line 112 and is serially connected in first transmission line 112
On isolated DC module 114；RET unit control signal circuit 120 includes that second transmission line 122 and one end are connected to second
Filter module 124 on transmission line 122；Wherein, isolated DC module 114 includes the blocking electricity for being serially connected in first transmission line 112
Hold 116.
Wherein, capacitance 116 refers to isolated DC signal, and the capacitor element of AC signal is connected.
Specifically, based on the concatenation capacitance 116 in the first transmission line 112 of RF signal circuit 110；In RET unit
Filter module 124 is connected in the second transmission line 122 of control signal circuit 120；One end connection calibration electricity of first transmission line 112
The input port on road, the other end connection of first transmission line 112 is for input rf signal and the control signal input of RET unit
Port；One end of second transmission line 122 connects RET unit, and the other end of second transmission line 122 is used for connection signal input terminal
Mouthful.When by signal (RF signal or RET unit control signal) input signal input port, realize that RF signal and RET unit control
The shunting of signal, and RF signal and RET unit control signal are mutually isolated, do not interfere with each other.
In above-mentioned signal shunt circuit, by the way that capacitance 116 is arranged in first transmission line 112, it can be achieved that signal (RF
Signal or RET unit control signal) input signal input port when, RF signal is transferred to calibration circuit, the control of RET unit is isolated
Signal processed prevents interference of the RET unit control signal to RF signal to calibration circuit transmission.Improve signal shunting effect.
In one embodiment, as shown in figure 3, providing a kind of signal shunt circuit, including RF signal circuit 110 with
RET unit control signal circuit 120；RF signal circuit 110 is including first transmission line 112 and is serially connected in first transmission line 112
On isolated DC module 114；RET unit control signal circuit 120 includes that second transmission line 122 and one end are connected to second
Filter module 124 on transmission line 122；Wherein, filter module 124 includes filter capacitor 126；The anode of filter capacitor 126 is even
Second transmission line 122 is connect, cathode is for being grounded.
Wherein, filter capacitor 126 refers to the capacitor element of filtering alternating component.
Specifically, based on the concatenation capacitance 116 in the first transmission line 112 of RF signal circuit 110；In RET unit
Filter capacitor 126 is connected in the second transmission line 122 of control signal circuit 120；One end connection calibration electricity of first transmission line 112
The input port on road, the other end connection of first transmission line 112 is for input rf signal and the control signal input of RET unit
Port；One end of second transmission line 114 connects RET unit, and the other end of second transmission line 114 is used for connection signal input terminal
Mouthful.When by signal (RF signal or RET unit control signal) input signal input port, realize that RF signal and RET unit control
The shunting of signal, and RF signal and RET unit control signal are mutually isolated, do not interfere with each other.
Further, the quantity of filter capacitor 126 is at least four.
In above-mentioned signal shunt circuit, by the way that filter capacitor 126 is arranged in second transmission line 122, it can be achieved that signal (RF
Signal or RET unit control signal) input signal input port when, RET unit control signal is transferred to RET, isolation RF letter
Number to RET unit transmit, prevent RF signal to RET unit control signal interference, improve signal shunting effect.
It should be noted that in one embodiment, as shown in figure 3, the quantity of filter capacitor 126 is 4, in other realities
It applies in example, the quantity of filter capacitor can be 5,6 or more.
In one embodiment, as shown in figure 4, providing a kind of signal shunt circuit, including RF signal circuit 110 with
RET unit control signal circuit 120；RF signal circuit 110 is including first transmission line 112 and is serially connected in first transmission line 112
On isolated DC module 114；RET unit control signal circuit 120 includes that second transmission line 122 and one end are connected to second
Filter module 124 on transmission line 122；Wherein, RET unit control signal circuit 120 further includes that one end is connected to the second transmission
Lightning-protection module 128 on line 122.
Wherein, lightning-protection module 128 can be used to lightning current of releasing, and prevent the thunder and lightning generated in thunderstorm weather to RET unit control
Signal circuit processed impacts.
Specifically, based on the concatenation capacitance 116 in the first transmission line 112 of RF signal circuit 110；In RET unit
Setting connection filter capacitor 126 in the second transmission line 122 of control signal circuit 120；One end of first transmission line 112 connects school
The other end connection of the input port of quasi- circuit, first transmission line 112 controls signal for input rf signal and RET unit
Input port；One end of second transmission line 122 connects RET unit, and the other end of second transmission line 122 is inputted for connection signal
Port.When by signal (RF signal or RET unit control signal) input signal input port, RF signal and the control of RET unit are realized
The shunting of signal processed, and RF signal and RET unit control signal are mutually isolated, do not interfere with each other.
In above-mentioned signal shunt circuit, by the way that lightning-protection module 128 is arranged in second transmission line 122, it can be achieved that mono- in RET
When first control circuit imports lightning current, lightning current is released, prevents lightning current from improving to the interference of RET unit control signal
Signal anti-interference ability.
In one embodiment, lightning-protection module 128 includes gas-discharge tube 132；One end connection the of gas-discharge tube 132
Two transmission lines 122, the other end is for being grounded.
Wherein, gas-discharge tube 132 refers to that a kind of lightning protection component, gas-discharge tube 132 can be ceramic discharge
Pipe.
Specifically, one end of gas-discharge tube 132 is connected in second transmission line 122, gas-discharge tube 132 it is another
End is for being grounded.Importing lightning current in signal shunt circuit is that can be released, be made to lightning current by gas-discharge tube 132
Obtain the effect of 120 lightning protection of RET unit control signal circuit.
Further, the quantity of gas-discharge tube 132 at least one.
In one embodiment, first transmission line is microstrip transmission line, strip transmission line or mixed transport line；Second transmission
Line is microstrip transmission line, strip transmission line or mixed transport line.
Wherein, mixed transport line can be the mixed form of microstrip transmission line and strip transmission line.
On the other hand, as shown in figure 5, the embodiment of the invention also provides a kind of calibration network, including calibration circuit and upper
The signal shunt circuit stated；Calibrating circuit includes power distributing network module 520 and multiple directional couplers 530；Orient coupling
Clutch 530 is for being connected between rf inputs mouth and aerial array；The merging port of power distributing network module 520 connects
Signal shunt circuit 510, each branch port is corresponded with one end of each directional coupler 530 to be connected.
Wherein, directional coupler 530 includes the first coupling arm 532 and the second coupling arm 534；First coupling arm 532 and
The coupling of two coupling arms 534 is connected；The branch port of one end connection power distributing network module 520 of first coupling arm 532；Second
One end of coupling arm 532 is for connecting rf inputs mouth, and the other end is for connecting aerial array.
Wherein, power distributing network module 520 can be used for being divided into input signal power all the way two-way or multiple-channel output letter
Number power；Power distributing network module 520 can also be used in two-way or multipath output signals power combing input signal function all the way
Rate.Directional coupler 530 refers to can be to the device that signal is coupled.Directional coupler 530 can transmit base station equipment
Signal source carry out coupling output to power distributing network module 520.Aerial array refers to being capable of Net long wave radiation or reception nothing
The device of line electric wave.Aerial array may include 1 oscillator, may also comprise multiple oscillators.Rf inputs mouth can be used to transmit base
The radiofrequency signal of station equipment transmission.First coupling arm 532 can be coupled with the second coupling arm 534 to be connected.First coupling arm 532 can
To be for microstrip line construction, the second coupling arm 534 can be microstrip line construction；Signal is based on when the second coupling arm 534 transmits
First coupling arm 532 is connected with the coupling of the second coupling arm 534, and signal coupled transfer gives the first coupling arm 532, and then the first coupling
Coupled signal can be transferred to power distributing network module 520 by arm 532.
Specifically, power distributing network module 520 includes merging port and multiple branch ports, is based on power distributing network
Each branch port of module 520 is corresponded with one end of each directional coupler 530 to be connected, power distributing network module 520
Merge one end of port connection signal shunt circuit 510, the other end of signal shunt circuit 510 connects RET unit, and signal shunts
The signal input port of circuit 510 controls signal for input rf signal and RET unit.RF signal and RET control signal pass through
After signal input port, RF signal passes through isolated DC module to calibration circuit transmission, and then realizes the width phase to smart antenna
Signal is acquired；, cannot be by isolated DC module since RET unit control signal is direct current signal, it can only be toward connection RET
It flows in the direction of unit；By the filter module in connection RET unit control signal circuit, remained to RF target signal filter, and then only
RET unit controls signal flow RET unit, and then can be calibrated to RET, read the operations such as RAE information, setting inclination angle.
In above-mentioned calibration network, by by signal shunt circuit connect calibration circuit, realize calibration circuit input terminal with
RET calibrates control signal input and shares a port, compact layout, and then reduces volume, has saved space and cost.
In one embodiment, as shown in figure 5, first resistor of the other end connection of the first coupling arm 532 for ground connection
540。
Specifically, the first end of the other end connection first resistor 540 of the first coupling arm 532；First resistor 540 it is another
End ground connection.Resistance is connected by the other end in the first coupling arm 532, improves the first coupling arm 532 and the second coupling arm 534
Coupling effect.
It should be noted that first resistor 540 is load resistance, the resistance value of first resistor 540 can be 50 ohm, can also
To be the resistance value of other sizes.
In one of the embodiments, as shown in figure 5, power distributing network module 5202 includes multiple cascade power point
Orchestration 522；
The branch port for cascading the power divider 522 of end connects one end of the first coupling arm 532.
Wherein, power divider 522 may include merging port and two or more branch ports.Cascade the power point of end
Orchestration 522 refers to the power divider of afterbody in cascade；Afterbody includes at least two power dividers in cascade.
Opposite with cascade end is cascade head end, and cascade head end refers to the power divider of the first order in cascade, in an example
In, cascade head end includes a power divider 522.In one example, power divider 522 can be Wilkinson function point
Device.
Specifically, the branch port for cascading the power divider 522 of end connects one end of the first coupling arm 532；Cascade
The merging port connection signal shunt circuit 510 of the power divider 522 of head end.For example, as shown in figure 5, determining in the present embodiment
It is 8 to the quantity of coupler 530, power distributing network module 520 is cascaded by 7 power dividers 522.Wherein, function
The cascade end that rate distributes network module 520 includes 4 power dividers 522, the branch port of 4 power dividers 522
It connects one to one with one end of directional coupler 530.
It should be noted that in other embodiments, the directional coupler and power divider of other quantity also can be used.
The quantity of directional coupler and power divider is increased or decreased on the basis of the application, can also realize that above-mentioned calibration network has
The function that signal shunts, therefore be not unfolded to be discussed in detail.
In one embodiment, the first power distributing network unit, multiple coupler units and second power
Network unit is distributed to be set on same dielectric-slab.
Wherein, dielectric-slab can be ceramic circuit board, aluminum base circuit board, PCB (Printed Circuit Board, printing electricity
Road plate) plate etc., it is preferred that dielectric-slab is pcb board.Specifically, power distributing network module is set respectively with each coupler unit
It sets on the same surface of dielectric-slab.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of signal shunt circuit, which is characterized in that including RF signal circuit and RET unit control signal circuit；The RF
Signal circuit includes first transmission line and the isolated DC module being serially connected in the first transmission line；The RET unit control
Signal circuit processed includes second transmission line and one end is connected to the filter module in the second transmission line；
One end of the first transmission line is used to connect the input port of calibration circuit, and the other end is used for connection signal input terminal
Mouthful；The signal input port controls signal for input rf signal and RET unit；
One end of the second transmission line is for connecting RET unit, and the other end is for connecting the signal input port.
2. signal shunt circuit according to claim 1, which is characterized in that the isolated DC module includes being serially connected in institute
State the capacitance of first transmission line.
3. signal shunt circuit according to claim 1, which is characterized in that the filter module includes filter capacitor；
The anode of the filter capacitor connects the second transmission line, and cathode is for being grounded.
4. signal shunt circuit according to claim 3, which is characterized in that the quantity of the filter capacitor is at least four.
5. signal shunt circuit according to claim 1, which is characterized in that the RET unit control signal circuit is also wrapped
Include the lightning-protection module that one end is connected in the second transmission line.
6. signal shunt circuit according to claim 5, which is characterized in that the lightning-protection module includes gas-discharge tube；
One end of the gas-discharge tube connects the second transmission line, and the other end is for being grounded.
7. according to claim 1 to signal shunt circuit described in 6 any one, which is characterized in that the first transmission line is
Microstrip transmission line, strip transmission line or mixed transport line；
The second transmission line is microstrip transmission line, strip transmission line or mixed transport line.
8. a kind of calibration network, which is characterized in that including signal described in calibration circuit and claim 1 to 7 any one point
Current circuit；The calibration circuit includes power distributing network module and multiple directional couplers；The directional coupler is used for
It is connected between rf inputs mouth and aerial array；
The merging port of the power distributing network module connects the signal shunt circuit, each branch port and each orientation
One end of coupler, which corresponds, to be connected；
Wherein, the directional coupler includes the first coupling arm and the second coupling arm；First coupling arm and second coupling
Arm coupling is closed to be connected；One end of first coupling arm connects the branch port of the power distributing network module；Described second
One end of coupling arm is for connecting the rf inputs mouth, and the other end is for connecting the aerial array.
9. intelligent antenna calibration network according to claim 8, which is characterized in that the other end of first coupling arm connects
Connect the first resistor for ground connection.
10. intelligent antenna calibration network according to claim 8, which is characterized in that the power distributing network module packet
Include multiple cascade power dividers；
The branch port for cascading the power divider of end connects one end of first coupling arm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161740A (en) * | 2021-03-03 | 2021-07-23 | 佛山市粤海信通讯有限公司 | Isolation circuit structure of calibration port and RAE port |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104067443A (en) * | 2012-01-27 | 2014-09-24 | 株式会社Kmw | Antenna system of mobile communication base station |
| CN106031297A (en) * | 2014-02-21 | 2016-10-12 | 康普技术有限责任公司 | Input selective smart bias tee |
| US20160316359A1 (en) * | 2015-04-21 | 2016-10-27 | Kmw Inc. | Antenna Control System and its Operating Method |
| CN107690752A (en) * | 2014-11-25 | 2018-02-13 | 株式会社Kmw | The synthesizer and synthesizer control method used in multiband base station system |
| CN207117635U (en) * | 2017-07-27 | 2018-03-16 | 广东通宇通讯股份有限公司 | Antenna array calibration network |
| CN207399219U (en) * | 2017-11-07 | 2018-05-22 | 南京澳博阳射频技术有限公司 | A kind of calibration network applied to 3.5G frequency range TD antenna for base station |
-
2018
- 2018-12-29 CN CN201811643305.9A patent/CN109600176A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104067443A (en) * | 2012-01-27 | 2014-09-24 | 株式会社Kmw | Antenna system of mobile communication base station |
| CN106031297A (en) * | 2014-02-21 | 2016-10-12 | 康普技术有限责任公司 | Input selective smart bias tee |
| CN107690752A (en) * | 2014-11-25 | 2018-02-13 | 株式会社Kmw | The synthesizer and synthesizer control method used in multiband base station system |
| US20160316359A1 (en) * | 2015-04-21 | 2016-10-27 | Kmw Inc. | Antenna Control System and its Operating Method |
| CN207117635U (en) * | 2017-07-27 | 2018-03-16 | 广东通宇通讯股份有限公司 | Antenna array calibration network |
| CN207399219U (en) * | 2017-11-07 | 2018-05-22 | 南京澳博阳射频技术有限公司 | A kind of calibration network applied to 3.5G frequency range TD antenna for base station |
Cited By (1)
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| CN113161740A (en) * | 2021-03-03 | 2021-07-23 | 佛山市粤海信通讯有限公司 | Isolation circuit structure of calibration port and RAE port |
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