CN208028889U - A kind of radio-frequency receiving-transmitting beam steering system - Google Patents
A kind of radio-frequency receiving-transmitting beam steering system Download PDFInfo
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- CN208028889U CN208028889U CN201820411360.4U CN201820411360U CN208028889U CN 208028889 U CN208028889 U CN 208028889U CN 201820411360 U CN201820411360 U CN 201820411360U CN 208028889 U CN208028889 U CN 208028889U
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Abstract
The utility model discloses a kind of radio-frequency receiving-transmitting beam steering systems, including central processing unit, multiple signal transmitting and receiving control modules and multiple TR components, the signal transmitting and receiving control module is identical as TR number of components and corresponds, central processing unit is connect with each signal transmitting and receiving control module respectively, and signal transmitting and receiving control module is connected with corresponding TR components；The TR components include adjustable attenuator, adjustable phase shifter, radio frequency transmitting channel, radio frequency reception channel and transceiver toggle switch；The signal transmitting and receiving control module includes the first control interface, the second control interface, third control interface, signal generating circuit and signal receiving circuit；The utility model passes through signal transmitting and receiving control module, transmitting-receiving switching control can be carried out to corresponding TR components, and during radio-frequency receiving-transmitting, the width phase information of each TR components is adjusted, and then realize the wave beam control during radio-frequency receiving-transmitting, be conducive to carry out flexibly accurately wireless communication or wireless exploration.
Description
Technical field
The utility model is related to wireless communication fields, more particularly to a kind of radio-frequency receiving-transmitting beam steering system.
Background technology
RF receiving/transmission device is the Primary Component of wireless communication system, the information transmission in wireless communication system, will necessarily
It is related to the signal transmitting and receiving of RF receiving/transmission device；With popularizing for wireless communication system, RF receiving/transmission device rises in the communications field
Increasingly important role is arrived；For now, in the wireless telecommunications/detection such as radio communication base station, Connectors for Active Phased Array Radar
In facility, RF receiving/transmission device has a wide range of applications.The wireless telecommunications such as radio communication base station, Connectors for Active Phased Array Radar/
It detects in facility, it is often necessary to the wave beam of radio-frequency receiving-transmitting be controlled, wireless communication flexible with realization, accurate or wireless spy
It surveys.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of radio-frequency receiving-transmitting beam steering system,
By signal transmitting and receiving control module, transmitting-receiving switching control can be carried out to corresponding TR components, and during radio-frequency receiving-transmitting, it is right
The width phase information of each TR components is adjusted, and then realizes the wave beam control during radio-frequency receiving-transmitting, is conducive to carry out flexible standard
True wireless communication or wireless exploration.
The purpose of this utility model is achieved through the following technical solutions：A kind of radio-frequency receiving-transmitting beam steering system,
Including central processing unit, multiple signal transmitting and receiving control modules and multiple TR components, the signal transmitting and receiving control module and TR components
Number is identical and corresponds, and central processing unit is connect with each signal transmitting and receiving control module respectively, and signal transmitting and receiving controls mould
Block is connected with corresponding TR components；
The TR components include that adjustable attenuator, adjustable phase shifter, radio frequency transmitting channel, radio frequency reception channel and transmitting-receiving are cut
Switch is changed, the input terminal of the radio frequency transmitting channel is connect with adjustable phase shifter, and output end and the transmitting-receiving of radio frequency transmitting channel are cut
Change switch connection, the input terminal of the radio frequency reception channel connect with transceiver toggle switch, the output end of radio frequency reception channel and
Adjustable phase shifter connects, transceiver toggle switch connection and the matched dual-mode antenna of TR components, the adjustable phase shifter with
Adjustable attenuator connects, and adjustable attenuator is connect with signal transmitting and receiving control module；
The signal transmitting and receiving control module includes the first control interface, the second control interface, third control interface, signal hair
Raw circuit and signal receiving circuit, first control interface, the second control interface, third control interface and signal generating circuit
Input terminal connect with central processing unit；The output end of first control interface is connect with adjustable attenuator, the second control interface
Output end connect with adjustable phase shifter, the output end of third control interface is connect with transceiver toggle switch, signal generating circuit
Output end connect with adjustable attenuator, the input terminal of the signal receiving circuit is connect with adjustable attenuator, signal receive electricity
The output end on road is connect with central processing unit.
Preferably, the radio frequency transmitting channel includes up-converter module and power amplifier, the input terminal of up-converter module
It is connect with adjustable phase shifter, the output end of up-converter module is connect by power amplifier with transceiver toggle switch；Preferably, institute
It includes down conversion module and low-noise amplifier, the input terminal and transceiver toggle switch of low-noise amplifier to state radio frequency reception channel
Connection, the output end of low-noise amplifier are connect by down conversion module with adjustable phase shifter.
Preferably, the beam steering system further includes clock module, and the clock module is connect with central processing unit；
Preferably, the beam steering system further includes LVDS interface, and the central processing unit is by LVDS interface and outside
The host computer in portion connects.
Preferably, the beam steering system further includes temperature interface, and central processing unit is connected by the temperature interface
External temperature collecting module, the temperature collecting module are temperature sensor.
Wherein, the signal generating circuit includes PWM modulator, D/A converting units, second-order filter unit and voltage follow
The input terminal of unit, the PWM modulator is connect with central processing unit, and the output end of PWM modulator passes sequentially through D/A conversion lists
Member, second-order filter unit are connect with voltage follow unit, and the output end of voltage follow unit is connect with adjustable attenuator.
The signal receiving circuit includes filter and A/D converter, the input terminal and adjustable attenuator of the filter
Connection, the output end of filter are connect by A/D converter with central processing unit.
Wherein, the D/A converting units include photoelectrical coupler G, and the first input end of photoelectrical coupler G is connected to PWM
The signal output end P of modulator；The second input end grounding of optical coupling isolator G；The output end of photoelectrical coupler G passes through first
Resistance R1 is connected to high level VCC, and the output end of photoelectrical coupler G passes through concatenated second resistance R2 and 3rd resistor R3
It is connected to the reverse input end of the first amplifier A1, is connect by the first capacitance C1 between second resistance R2 and 3rd resistor R3
Ground, for the positive input of the first amplifier A1 by the 4th resistance R4 ground connection, the reverse input end of the first amplifier A1 passes through parallel connection
The 5th resistance R5 and the second capacitance C2 be connected to the output end of the first amplifier A1, the output end of the first amplifier A1 passes through
Nine resistance R9 output analog signals are simultaneously connected to second-order filter unit, pass through third between second resistance R2 and 3rd resistor R3
Capacitance C3 is connected to the reverse input end of the second amplifier A2, and the positive input of the second amplifier A2 is grounded by the 6th resistance R6,
The reverse input end of second amplifier A2 is connected to the output end of the second amplifier A2 by the 7th resistance R7, and the second amplifier A2's is defeated
Outlet is connected to the reverse input end of the first amplifier A1 by the 8th resistance R8.
Wherein, the second-order filter unit includes Order RC filter, and input terminal and the D/A of the Order RC filter turn
Unit connection is changed, the input terminal of Order RC filter is connect with voltage follow unit.
Wherein, the voltage follow unit includes third amplifier A3, and positive input and the Order RC of amplifier A3 filter
Unit connects, and the output end of amplifier A3 connect with the reverse input end of amplifier A3, the output end of amplifier A3 also with adjustable attenuator
Connection.
The utility model has the beneficial effects that：（1）By signal transmitting and receiving control module, corresponding TR components can be carried out
Switching control is received and dispatched, and during radio-frequency receiving-transmitting, the width phase information of each TR components is adjusted, and then realizes radio-frequency receiving-transmitting
Wave beam control in the process, is conducive to carry out flexibly accurately wireless communication or wireless exploration；（2）Central processing unit passes through LVDS
Interface is connect with external host computer, can be uploaded real time data to host computer or be received the control instruction of host computer so that on
Median function is enough to carry out Comprehensive Control to radio-frequency receiving-transmitting wave beam；（3）The utility model is provided with temperature interface, and connects temperature acquisition
Module can acquire real-time temperature information, upload to host computer, in order to carry out accurate monitoring temperature；（4）Signal occurs
Circuit includes PWM modulator, D/A converting units, second-order filter unit and voltage follow unit, and D/A converting units can be by PWM
The digital signal of modulator output is converted to analog signal, then by second-order filter unit and voltage follow unit after, be transferred to
TR components carry out radio-frequency transmissions, have good signal stabilization.
Description of the drawings
Fig. 1 is the system principle diagram of the utility model；
Fig. 2 is the functional block diagram of TR components；
Fig. 3 is the functional block diagram of signal transmitting and receiving control module；
Fig. 4 is the functional block diagram of signal generating circuit；
Fig. 5 is the functional block diagram of signal receiving circuit.
Specific implementation mode
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of radio-frequency receiving-transmitting beam steering system, including central processing unit, multiple signal transmitting and receivings control mould
Block and multiple TR components, the signal transmitting and receiving control module is identical as TR number of components and corresponds, central processing unit difference
It is connect with each signal transmitting and receiving control module, signal transmitting and receiving control module is connected with corresponding TR components；
As shown in Fig. 2, the TR components include that adjustable attenuator, adjustable phase shifter, radio frequency transmitting channel, radio frequency reception are logical
The input terminal of road and transceiver toggle switch, the radio frequency transmitting channel is connect with adjustable phase shifter, the output of radio frequency transmitting channel
End is connect with transceiver toggle switch, and the input terminal of the radio frequency reception channel is connect with transceiver toggle switch, radio frequency reception channel
Output end connect with adjustable phase shifter, transceiver toggle switch connection and the matched dual-mode antenna of TR components, it is described can
Phase shifter is adjusted to be connect with adjustable attenuator, adjustable attenuator is connect with signal transmitting and receiving control module；
As shown in figure 3, the signal transmitting and receiving control module includes the first control interface, the second control interface, third control
Interface, signal generating circuit and signal receiving circuit, first control interface, the second control interface, third control interface and
The input terminal of signal generating circuit is connect with central processing unit；The output end of first control interface is connect with adjustable attenuator,
The output end of second control interface is connect with adjustable phase shifter, and the output end of third control interface is connect with transceiver toggle switch,
The output end of signal generating circuit is connect with adjustable attenuator, and input terminal and the adjustable attenuator of the signal receiving circuit connect
It connects, the output end of signal receiving circuit is connect with central processing unit.
In embodiments herein, the radio frequency transmitting channel includes up-converter module and power amplifier, up-conversion
The input terminal of module is connect with adjustable phase shifter, and the output end of up-converter module is connected by power amplifier and transceiver toggle switch
It connects；Under normal circumstances, up-converter module is single using up-conversion mixing unit connected in sequence, the first filter unit and the first amplification
Member is constituted, the input terminal of the input terminal of up-conversion mixing unit as entire up-converter module, the output end of the first amplifying unit
Output end as entire up-converter module；In embodiments herein, the radio frequency reception channel includes down conversion module
And low-noise amplifier, the input terminal of low-noise amplifier are connect with transceiver toggle switch, the output end of low-noise amplifier is logical
Down conversion module is crossed to connect with adjustable phase shifter；Under normal circumstances, down conversion module is single using down coversion connected in sequence mixing
Member, the second filter unit and the second amplifying unit are constituted, and the input terminal of down coversion mixing unit is as entire down conversion module
Input terminal, the output end of the output end of the second amplifying unit as entire down conversion module.
In embodiments herein, the beam steering system further includes clock module, the clock module and center
Processor connects；The beam steering system further includes LVDS interface, and the central processing unit passes through LVDS interface and outside
Host computer connects；The beam steering system further includes temperature interface, and central processing unit is connected external by the temperature interface
Temperature collecting module, the temperature collecting module be temperature sensor.
As shown in figure 4, the signal generating circuit includes PWM modulator, D/A converting units, second-order filter unit and electricity
Pressure follows unit, the input terminal of the PWM modulator to be connect with central processing unit, and the output end of PWM modulator passes sequentially through D/A
Converting unit, second-order filter unit are connect with voltage follow unit, and the output end of voltage follow unit is connect with adjustable attenuator.
As shown in figure 5, the signal receiving circuit includes filter and A/D converter, the input terminal of the filter with
Adjustable attenuator connects, and the output end of filter is connect by A/D converter with central processing unit.
The D/A converting units include photoelectrical coupler G, and the first input end of photoelectrical coupler G is connected to PWM modulator
Signal output end P；The second input end grounding of optical coupling isolator G；The output end of photoelectrical coupler G passes through first resistor R1
It is connected to high level VCC, the output end of photoelectrical coupler G is connected to by concatenated second resistance R2 and 3rd resistor R3
The reverse input end of first amplifier A1 is grounded between second resistance R2 and 3rd resistor R3 by the first capacitance C1, first
The positive input of amplifier A1 passes through the 5th electricity in parallel by the 4th resistance R4 ground connection, the reverse input end of the first amplifier A1
Resistance R5 and the second capacitance C2 is connected to the output end of the first amplifier A1, and the output end of the first amplifier A1 passes through the 9th resistance R9
Output analog signal is simultaneously connected to second-order filter unit, is connected by third capacitance C3 between second resistance R2 and 3rd resistor R3
It is connected to the reverse input end of the second amplifier A2, the positive input of the second amplifier A2 passes through the 6th resistance R6 ground connection, the second amplifier
The reverse input end of A2 is connected to the output end of the second amplifier A2 by the 7th resistance R7, and the output end of the second amplifier A2 passes through
8th resistance R8 is connected to the reverse input end of the first amplifier A1.
The second-order filter unit includes Order RC filter, and the input terminal of the Order RC filter and D/A conversions are single
Member connection, the input terminal of Order RC filter are connect with voltage follow unit.
The voltage follow unit includes third amplifier A3, and positive input and the Order RC filter unit of amplifier A3 connect
It connects, the output end of amplifier A3 is connect with the reverse input end of amplifier A3, and the output end of amplifier A3 is also connect with adjustable attenuator.
The operation principle of the utility model is as follows, and in signal emission process, central processing unit controls the letter in TR components
Number transceiver toggle switch is switched to radio frequency transmitting channel, and controls the generation of the signal generating circuit in signal transmitting and receiving control module and wait for
Emit signal, be transferred to TR components and carry out signal transmitting, at the same time, central processing unit is adjustable in each TR components by controlling
Attenuator and adjustable phase shifter can be changed respectively to realize amplitude and phase controlling in each TR components by adjustable phase shifter
The phase factor of dual-mode antenna corresponding to TR components realizes launching beam control；In signal receive process, central processing unit control
Signal transmitting and receiving in TR components processed switches switching and carries out radio frequency to radio frequency reception channel, TR components and corresponding dual-mode antenna
Signal receives, and at the same time, central processing unit is by controlling adjustable attenuator and adjustable phase shifter in each TR components, to realize
Amplitude and phase controlling in each TR components, the phase factor of dual-mode antenna corresponding to each TR components of the change are realized and receive wave beam
Control, the signal that each TR components receive are filtered through the signal receiving circuit in signal transmitting and receiving control module and are converted with A/D
Afterwards, it is transferred to central processing unit.It, can be to corresponding TR components due in the present invention by signal transmitting and receiving control module
Transmitting-receiving switching control is carried out, and during radio-frequency receiving-transmitting, the width phase information of each TR components is adjusted, and then realizes radio frequency
Wave beam control during transmitting-receiving, is conducive to carry out flexibly accurately wireless communication or wireless exploration；And central processing unit passes through
LVDS interface is connect with external host computer, can be uploaded real time data to host computer or be received the control instruction of host computer, make
Comprehensive Control can be carried out to radio-frequency receiving-transmitting wave beam by obtaining host computer；And the utility model is provided with temperature interface, and connects temperature
Acquisition module is spent, real-time temperature information can be acquired, upload to host computer, in order to carry out accurate monitoring temperature；Simultaneously
Signal generating circuit includes PWM modulator, D/A converting units, second-order filter unit and voltage follow unit, D/A converting units
In, the output end of photoelectrical coupler is provided with the low-pass filter being made of the first amplifier and its peripheral circuit, to photoelectricity coupling
The analog signal of clutch output is filtered；It is interfered for spike present in analog signal, by the second amplifier to point
Testing result, is fed back to the input terminal of the first amplifier by the detection of peak interference, it can be made for interference signal in analog signal
Variation carry out dynamic filter, to improve for analog signal filter effect；By analog signal transmission to second-order filter
Unit further improves the filter effect for analog signal；And the voltage follow unit of second-order filter unit rear end, effectively
The output impedance for reducing circuit analog quantity output improves the load capacity and linear stable degree of circuit, therefore electricity occurs for signal
Road has very good signal stabilization.
Claims (9)
1. a kind of radio-frequency receiving-transmitting beam steering system, it is characterised in that：Including central processing unit, multiple signal transmitting and receiving control modules
With multiple TR components, the signal transmitting and receiving control module it is identical as TR number of components and correspond, central processing unit respectively with
Each signal transmitting and receiving control module connects, and signal transmitting and receiving control module is connected with corresponding TR components；
The TR components include that adjustable attenuator, adjustable phase shifter, radio frequency transmitting channel, radio frequency reception channel and transmitting-receiving switching are opened
It closes, the input terminal of the radio frequency transmitting channel is connect with adjustable phase shifter, and output end and the transmitting-receiving switching of radio frequency transmitting channel are opened
Connection connects, and the input terminal of the radio frequency reception channel is connect with transceiver toggle switch, the output end of radio frequency reception channel with it is adjustable
Phase shifter connects, transceiver toggle switch connection and the matched dual-mode antenna of TR components, the adjustable phase shifter with it is adjustable
Attenuator connects, and adjustable attenuator is connect with signal transmitting and receiving control module；
The signal transmitting and receiving control module includes the first control interface, the second control interface, third control interface, signal generation electricity
Road and signal receiving circuit, first control interface, the second control interface, third control interface and signal generating circuit it is defeated
Enter end to connect with central processing unit；The output end of first control interface is connect with adjustable attenuator, the second control interface it is defeated
Outlet is connect with adjustable phase shifter, and the output end of third control interface is connect with transceiver toggle switch, signal generating circuit it is defeated
Outlet is connect with adjustable attenuator, and the input terminal of the signal receiving circuit is connect with adjustable attenuator, signal receiving circuit
Output end is connect with central processing unit.
2. a kind of radio-frequency receiving-transmitting beam steering system according to claim 1, it is characterised in that：The beam steering system
Further include clock module, the clock module is connect with central processing unit.
3. a kind of radio-frequency receiving-transmitting beam steering system according to claim 1, it is characterised in that：The beam steering system
Further include LVDS interface, the central processing unit is connect by LVDS interface with external host computer.
4. a kind of radio-frequency receiving-transmitting beam steering system according to claim 1, it is characterised in that：The beam steering system
Further include temperature interface, central processing unit passes through the temperature collecting module outside temperature interface connection.
5. a kind of radio-frequency receiving-transmitting beam steering system according to claim 1, it is characterised in that：The signal generating circuit
Including PWM modulator, D/A converting units, second-order filter unit and voltage follow unit, the input terminal of the PWM modulator with
Central processing unit connects, and the output end of PWM modulator passes sequentially through D/A converting units, second-order filter unit and voltage follow list
Member connection, the output end of voltage follow unit are connect with adjustable attenuator.
6. a kind of radio-frequency receiving-transmitting beam steering system according to claim 1, it is characterised in that：The signal receiving circuit
Including filter and A/D converter, the input terminal of the filter is connect with adjustable attenuator, and the output end of filter passes through A/
D converters are connect with central processing unit.
7. a kind of radio-frequency receiving-transmitting beam steering system according to claim 5, it is characterised in that：The D/A converting units
Including photoelectrical coupler G, the first input end of photoelectrical coupler G is connected to the signal output end P of PWM modulator；Light-coupled isolation
The second input end grounding of device G；The output end of photoelectrical coupler G is connected to high level VCC, photoelectricity coupling by first resistor R1
The output end of clutch G is connected to the reversed input of the first amplifier A1 by concatenated second resistance R2 and 3rd resistor R3
End is passed through between second resistance R2 and 3rd resistor R3 by the first capacitance C1 ground connection, the positive input of the first amplifier A1
4th resistance R4 ground connection, the reverse input end of the first amplifier A1 pass through the 5th resistance R5 in parallel and the second capacitance C2 connections
To the output end of the first amplifier A1, the output end of the first amplifier A1 exports analog signal by the 9th resistance R9 and is connected to two
Rank filter unit is connected to the reversed of the second amplifier A2 between second resistance R2 and 3rd resistor R3 by third capacitance C3
Input terminal, by the 6th resistance R6 ground connection, the reverse input end of the second amplifier A2 passes through for the positive input of the second amplifier A2
Seven resistance R7 are connected to the output end of the second amplifier A2, and the output end of the second amplifier A2 is connected to first by the 8th resistance R8
The reverse input end of amplifier A1.
8. a kind of radio-frequency receiving-transmitting beam steering system according to claim 5, it is characterised in that：The second-order filter unit
Including Order RC filter, the input terminal of the Order RC filter is connect with D/A converting units, the input of Order RC filter
End is connect with voltage follow unit.
9. a kind of radio-frequency receiving-transmitting beam steering system according to claim 5, it is characterised in that：The voltage follow list
Positive input of the member including third amplifier A3, amplifier A3 is connect with Order RC filter unit, the output end and amplifier of amplifier A3
The reverse input end of A3 connects, and the output end of amplifier A3 is also connect with adjustable attenuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411360.4U CN208028889U (en) | 2018-03-26 | 2018-03-26 | A kind of radio-frequency receiving-transmitting beam steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411360.4U CN208028889U (en) | 2018-03-26 | 2018-03-26 | A kind of radio-frequency receiving-transmitting beam steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028889U true CN208028889U (en) | 2018-10-30 |
Family
ID=63907363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411360.4U Active CN208028889U (en) | 2018-03-26 | 2018-03-26 | A kind of radio-frequency receiving-transmitting beam steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028889U (en) |
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2018
- 2018-03-26 CN CN201820411360.4U patent/CN208028889U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu Nan Jiao Science and Technology Ltd. Assignor: Chengdu Chuangyijia Science & Technology Co., Ltd. Contract record no.: 2018510000071 Denomination of utility model: A kind of radio-frequency receiving-transmitting beam steering system Granted publication date: 20181030 License type: Common License Record date: 20181130 |