CN208172243U - A kind of digital array module interactive mode detection device - Google Patents
A kind of digital array module interactive mode detection device Download PDFInfo
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- CN208172243U CN208172243U CN201820685336.XU CN201820685336U CN208172243U CN 208172243 U CN208172243 U CN 208172243U CN 201820685336 U CN201820685336 U CN 201820685336U CN 208172243 U CN208172243 U CN 208172243U
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Abstract
The utility model provides a kind of digital array module interactive mode detection device, and device internal circuit mainly includes power module, crystal oscillator, clock circuit, local vibration source, local oscillator amplification function point, signal generates and acquisition, power combing module, computer.System connects 220V alternating current by power supply line, and computer is connect by cable with test device.Test is rapidly completed by network and optical-fibre communications in the interactive text method that the utility model is interacted using device and MUT module under test, device and MUT module under test.The technologies such as device applies frequency automatic switchover, mode independently selects, high speed data transfer solve the problems, such as that digital array module test must rely on microwave instrument, and testing cost is low, and testing efficiency is high.
Description
Technical field
The utility model relates to the automatic test technology field of radar system more particularly to a kind of interactions of digital array module
Formula detection device.
Background technique
In the development of current Radar Technology, digital array technology is more and more applied.Using the thunder of this technology
Up to Digital Array Radar is, there is efficiently beam dispath ability, excellent beam-pointing accuracy, good interference free performance,
It is particularly suitable for airborne equal lift-off platform to use.And core component of DAM (digital array module) component as Digital Array Radar,
Multi-channel high-speed data acquisition is completed inside it by the integrated circuit of multiple functions to produce with demodulation, Multichannel radar digital waveform
Raw, the small signal of microwave receives and the functions such as frequency conversion, high-power transmitting and frequency conversion.So DAM has highly integrated, multichannel, more letters
Number mixing, multiple transmission modes technical characterstic.In addition, because the digital feature of the microwave of digital array radar system requires DAM to exist
Highly integrated, frequency expansion, performance improve, function expand etc. development collaboration system in package design, realize layout with
Domain structure optimization, by element design, chip design, the design of DAM multifunctional circuit, system-in-package structure design, mutually connection
Building mould and electromagnetic field, thermal field emulation technology etc. are combined closely, final to realize that DAM multiple functions circuit synthesis integrates system-level
The highly integrated design of encapsulation technology has been difficult to test it using traditional test method technology.
There is not the test device for being exclusively used in digital array module temporarily in the prior art, traditional test method is needed using more
Traditional microwave instrumentation of kind dispersion, such as needed when receiving state in test digital array module using signal source,
Pumping signal needed for providing test by signal source；Need when testing the emission state of digital array module using power meter or
Frequency spectrograph.It is mutually indepedent between various equipment, it carries and inconvenient for use, and cumbersome complexity.
Utility model content
In order to solve above-mentioned technological deficiency existing in the prior art, the utility model provides a kind of digital array module friendship
Mutual formula detection device.
The utility model is achieved through the following technical solutions：
A kind of digital array module interactive mode detection device, the measured number array module are transceiving integrated, optical fiber
The digital array module of interface；The internal circuit block of the detection device includes：
Crystal oscillator module for the super Low phase noise clock signal of 80MHz needed for generation device work；
Clock circuit module for 20MHz, 40MHz, 440MHz clock signal needed for generation device work；
Local oscillator source module for S-band local oscillator needed for generation device work；
S-band local oscillation signal for generating the local oscillator source module amplifies and is divided into the local oscillator amplification function of two-way
Sub-module；
Signal for carrying out Control & data acquisition to measured number array module generates and acquisition module；
Synthesized for the radio-frequency channel to measured number array module, by the signal after synthesis give signal generate and
The power division module of acquisition module；
Wherein：The signal generates and acquisition module divides mould with the power combing module, local oscillator amplification function respectively
Block is connected with the clock circuit module, the crystal oscillator module, the clock circuit module, the local oscillator source module with
And the local oscillator amplification function sub-module is sequentially connected；The signal generates and acquisition module, the power combing module and described
Local oscillator amplification function sub-module is connect with measured number array module respectively；Specifically：
The signal generates and acquisition module further comprises：
Intermediate-freuqncy signal for generating intermediate-freuqncy signal and carrying out A/D sampling to intermediate-freuqncy signal generates and acquisition submodule；
For the optical-fibre communications and control submodule with measured number array module communication connection；
For intermediate-freuqncy signal to be up-converted to the up-converter circuit submodule of radiofrequency signal；
Lower frequency changer circuit submodule for carrying out the radiofrequency signal of measured number array module to be down-converted to intermediate-freuqncy signal
Block；
Network communication and transmission submodule for being communicated to connect with external computer networks；
Wherein：The intermediate-freuqncy signal generate and acquisition submodule respectively with the up-converter circuit submodule, the lower change
Frequency circuit submodule, the optical-fibre communications and control submodule are connected with the network communication and transmission submodule.
The beneficial effect of the utility model compared with the existing technology is：
Pumping signal required when testing digital array module receive capabilities is generated function and test number by the utility model
Signals collecting function when word array module emission function integrates, and devises and a kind of highly integrated is exclusively used in digital array
Module interactive mode detection device can be realized the whole-process automatic test of digital array module.Detection device use when directly with quilt
It surveys digital array module to be connected to outer computer, can start to detect, save the work of a large amount of assembling microwave apparatus equipment, take
Band is convenient, easy to use, easy to operate.
Detailed description of the invention
Fig. 1 is the general construction block diagram of digital array module interactive mode detection device internal circuit block.
Fig. 2 is signal generation and the up-converter circuit submodule in acquisition module, lower frequency changer circuit submodule and intermediate frequency
Signal generates and the circuit diagram of acquisition submodule.
Fig. 3 is the circuit diagram of optical-fibre communications and control submodule in signal generation and acquisition module.
Fig. 4 is the circuit diagram of network communication and transmission submodule in signal generation and acquisition module.
Fig. 5 is the circuit diagram of clock circuit module.
Fig. 6 is the circuit diagram of local oscillator source module.
Fig. 7 is the circuit diagram that local oscillator amplifies function sub-module.
Fig. 8 is the operating process flow chart detected using digital array module interactive mode detection device.
Fig. 9 is the general flow chart of digital array module interactive mode detection method.
Figure 10 is the schematic perspective view of digital array module interactive mode detection device outer box.
Figure 11 is the main view of digital array module interactive mode detection device outer box.
Figure 12 is the top view of digital array module interactive mode detection device outer box.
Figure 13 is the usage state diagram of digital array module interactive mode detection device.
Figure 14 is the surface structure schematic diagram of measured number array module.
Figure 15 is the working state figure of signal generation and acquisition module when receiving test pattern.
Figure 16 is the working state figure of signal generation and acquisition module when emitting test pattern.
Figure 17 is the working principle diagram of measured number array module.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, including：
Signal generate and acquisition module 1, intermediate-freuqncy signal generate and acquisition submodule 101, up-converter circuit submodule 102,
Lower frequency changer circuit submodule 103, optical-fibre communications and control submodule 104, network communication and transmission submodule 105, outer box 2, box
Body 201, flip lid 202, optical fiber interface 203, power interface 204, installation slot 205, radiator fan 206, heat release hole 207, crystal
Oscillator module 3, clock circuit module 4, local oscillator source module 5, local oscillator amplify function sub-module 6, power combing module 7, power supply mould
Block 8, computer 9, digital array module 10, optical fiber interface 1001, local oscillator power supply hybrid interface 1002, radio frequency input/output port
1003。
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that the specific embodiments described herein are only used to solve
The utility model is released, is not used to limit the utility model.
Embodiment 1：
The present embodiment provides a kind of digital array module interactive mode detection device, applicable digital array module 10 is specific
For：A kind of 16 channels, transceiving integrated, optical fiber interface new digital array module are mainly used in airborne radar, structure
Form is approximate flat rectangular body structure.Figure 14 is the surface structure schematic diagram of digital array module 10, and external interface includes
Optical fiber interface 1001, local oscillator power supply hybrid interface 1002 and radio frequency input/output port 1003.Figure 17 is digital array module 10
Working principle diagram.
When detection device provided in this embodiment works, digital array module 10 is interacted by optical fiber interface 1001
Formula control；Local oscillator and power supply are provided to measured number array module 10 by local oscillator power supply hybrid interface 1002；It is defeated by radio frequency
Enter delivery outlet 1003 and provides signal excitation and signal acquisition for component.
The internal circuit block of detection device provided in this embodiment is specific as shown in Figure 1, including：
Crystal oscillator module 3 for the super Low phase noise clock signal of 80MHz needed for generation device work.
Clock circuit module 4 for 20MHz, 40MHz, 440MHz clock signal needed for generation device work.
Local oscillator source module 5 for S-band local oscillator needed for generation device work.
S-band local oscillation signal for generating local oscillator source module amplify and be divided into two-way local oscillator amplification function divide mould
Block 6.
Signal for carrying out Control & data acquisition to measured number array module 10 generates and acquisition module 1.
For realizing radiofrequency signal alternating transmission between measured number array module 10 and signal generation and acquisition module 1
Power division module 7.
And for the power module 8 for all module for power supply in the internal circuit block.
Wherein：Signal generates and acquisition module 1 is electric with power combing module 7, local oscillator amplification function sub-module 6 and clock respectively
Road module 4 connect, crystal oscillator module 3, clock circuit module 4, local oscillator source module 5 and local oscillator amplification function sub-module 6 according to
Secondary connection；Signal generate and acquisition module 1, power combing module 7 and local oscillator amplification function sub-module 6 respectively with measured number array
Module 10 connects.
Specifically, signal generates and acquisition module 1 further comprises：
Intermediate-freuqncy signal for generating intermediate-freuqncy signal and carrying out A/D sampling to intermediate-freuqncy signal generates and acquisition submodule
101；
For the optical-fibre communications and control submodule 104 with measured number array module communication connection；
For by the up-converter circuit submodule 102 of intermediate-freuqncy signal up-conversion radiofrequency signal；
Lower frequency changer circuit submodule for carrying out the radiofrequency signal of measured number array module to be down-converted to intermediate-freuqncy signal
Block 103；
Network communication and transmission submodule 105 for being communicated to connect with external computer networks；
Wherein：Intermediate-freuqncy signal generate and acquisition submodule 101 respectively with up-converter circuit submodule 102, lower frequency changer circuit
Submodule 103, optical-fibre communications and control submodule 104 and network communication and transmission submodule 105 connect.
As shown in figure 15, when receiving test pattern, computer 9 controls intermediate-freuqncy signal and generates and acquire the production of submodule 101
Raw intermediate-freuqncy signal, intermediate-freuqncy signal become radiofrequency signal by up-converter circuit submodule 102, and radiofrequency signal gives measured number battle array
Column module 10 completes test.
As shown in figure 16, when emitting test pattern, computer 9 controls measured number array module 10 and is switched to transmitting mould
Formula, and emit radiofrequency signal, radiofrequency signal become intermediate-freuqncy signal by lower frequency changer circuit submodule 103, during intermediate-freuqncy signal is given
Frequency signal generates and acquisition submodule 101 obtains test result.
As specific embodiment, signal generates and the up-converter circuit submodule 102 in acquisition module 1, down coversion
Circuit submodule 103 and intermediate-freuqncy signal generate and the circuit diagram of acquisition submodule 101 is Fig. 2；Optical-fibre communications and control
The circuit diagram of submodule is Fig. 3；Network communication and the circuit diagram for transmitting submodule are Fig. 4.
In practical applications, signal generates and acquisition module 1 can specifically be programmed by FPGA and be realized, is receiving test pattern work
When making, intermediate-freuqncy signal is generated and acquisition submodule 101 is under the action of external clock and FPGA, intermediate frequency base needed for generating test
Band signal.It is tested as giving after radiofrequency signal and amplification that up-converter circuit submodule 102 carries out frequency conversion to intermediate frequency baseband signal
Digital array module 10.Optical-fibre communications and control submodule 104 read required test letter from measured number array module 10
Breath gives outer computer by network communication and transmission submodule 105 again.
When emitting test pattern work, computer sends control instruction by network communication and transmission 105 module of submodule
To optical fiber in communication and control submodule 104, control instruction is transmitted to measured number array by optical-fibre communications and control submodule 104
Module 10, measured number array module 10 emit radiofrequency signal, during lower frequency changer circuit submodule 103 down-converts to radiofrequency signal
Frequency signal, intermediate-freuqncy signal gives intermediate-freuqncy signal generation and acquisition submodule 101 carries out if direct sampling and becomes digital signal, leads to
It crosses network communication and transmission submodule 105 gives computer again.
As specific embodiment, crystal oscillator module 3 can be selected model OCLN503F4S12V-80M000's
Crystal oscillator；For the super Low phase noise clock signal of 80MHz of generation system work, it is defeated that 80MHz is surpassed into Low phase noise clock signal
Enter to clock circuit module 4.
As specific embodiment, as shown in figure 5, clock circuit module 4 includes：Programmable the 5 of model HMC394
One point of three power splitter of digit counter, model ADP-2-1W.When work, the 80m clock that clock module sends crystal oscillator is carried out
Frequency dividing and frequency multiplication generate tri- kinds of signals of 20M, 40M, 440M respectively.
As specific embodiment, the physical circuit schematic diagram of local oscillator source module 5 is as shown in fig. 6, when work, local vibration source
The 80M clock that module 5 sends crystal oscillator carries out frequency multiplication and filtering, generates two groups of signals of P frequency marking and S frequency marking, then again by mixed
A local oscillation signal needed for frequency amplification generates test.
As specific embodiment, local oscillator amplifies the physical circuit schematic diagram of function sub-module 6 as shown in fig. 7, when work,
The local oscillation signal that local oscillator amplification module generates local vibration source amplifies, and function is divided into the output of 2 tunnels.
As specific embodiment, power module 8 includes input terminal and seven road output ends all the way；Input terminal accesses 220V
Alternating current, after being depressured to 220V alternating current, seven road output ends export the 7 roads electricity of 36V, 24V, 12V, 8V, 5V, 3.3V, -5V respectively
Source.Wherein, 36V powers to digital array module 10, and 24V powers to radiator fan 206, and 12V supplies crystal oscillator module 3
Electricity, 8V power to clock circuit module 4, local oscillator source module 5, local oscillator amplification module 6, and 5v, 3.3v generate to signal and acquire mould
Block 1 is powered, and -5v powers to local oscillator source module 5.
Formula is interacted to digital array module with digital array module interactive mode detection device as shown in figure 8, such as desiring to make money or profit
The operating method and working principle of detection are as follows：
Step S1, by measured number array module respectively with signal generate and acquisition module, power combing module and local oscillator
Amplify function sub-module to connect；Signal generation and acquisition module and outer computer are connected.
Step S2 generates 80MHz clock signal using crystal oscillator module, is sent to clock circuit module and local oscillator respectively
Source module；Clock circuit module generates 20MHz, 40MHz, 440MHz clock signal after receiving and processing 80MHz clock signal；
Local oscillator source module generates S-band local oscillator after receiving 80MHz clock signal, and S-band local oscillator is sent to local oscillator and amplifies function sub-module；
Two-way is amplified and be divided into local oscillator by local oscillator amplification function sub-module, is sent to signal generation and acquisition module and measured number array respectively
Module；S3 is entered step if carrying out receiving test, if carrying out transmitting test enters step S4.
Measured number array module is switched to reception pattern using signal generation and acquisition module by step S3；Setting needs
The frequency code of the local vibration source of test and the signal path of digital array module utilize computer control signal generation and acquisition module
It generates rf excitation signal and send to power division module；Power division module distributes rf excitation signal to measured number battle array
Each channel of column module, is received by measured number array module；It is generated using signal and acquisition module acquires in real time
The reception test data of measured number array module, and test data will be received and be sent to outer computer progress data processing.
Signal processing in this step is specially：
When receiving test pattern work, intermediate-freuqncy signal generates and acquires intermediate frequency base needed for submodule 101 generates test
Band signal.It is tested as giving after radiofrequency signal and amplification that up-converter circuit submodule 102 carries out frequency conversion to intermediate frequency baseband signal
Digital array module 10.Optical-fibre communications and control submodule 104 read required test letter from measured number array module 10
Breath gives outer computer by network communication and transmission submodule 105 again.
Measured number array module is switched to sending mode using signal generation and acquisition module by step S4；Setting needs
The frequency code of the local vibration source of test and the signal path of digital array module utilize measured number array module RF test signal
And it send to power division module；Power division module synthesizes RF test signal, send to signal generation and acquisition module
It is handled；It is generated using signal and acquisition module acquires the transmitting test data of measured number array module in real time, and will sent out
It penetrates test data and is sent to outer computer progress data processing.
Signal processing in this step is specially：
When emitting test pattern work, computer sends control instruction by network communication and transmission 105 module of submodule
To optical-fibre communications and control submodule 104, control instruction is transmitted to measured number array mould by optical-fibre communications and control submodule 104
Block 10, measured number array module 10 emit radiofrequency signal, and radiofrequency signal is down-converted to intermediate frequency by lower frequency changer circuit submodule 103
Signal, intermediate-freuqncy signal gives intermediate-freuqncy signal generation and acquisition submodule 101 carries out if direct sampling and becomes digital signal, passes through
Network communication and transmission submodule 105 give computer again.
Above method step is to test the test method in digital array module individual signals channel and single frequency point, if you need to survey
Whole signal paths and frequency point are tried, as shown in figure 9, can be since first signal path, by the frequency of initial local vibration source
Code is set as 0, starts to test, then successively increase the frequency code of local vibration source, repeats step S3 or step S4, until current letter
Whole frequency points in number channel are all completed, and reselection next signal channel repeats above-mentioned steps, until whole signals
Channel is all completed.
Embodiment 2
As shown in Figure 10 to Figure 12, a kind of digital array module interactive mode detection device, including an outer box 2, outer box 2 include
The box body 201 and flip lid 202 of rectangular strip, the internal circuit block of embodiment 1 are arranged in box body 201；The top of box body 201
Equipped with the installation slot 205 to match with measured number array module, slot 205 is installed and generates and acquire respectively mould with signal
Block, power combing module are connected with local oscillator amplification function sub-module；The surface of box body 201 is equipped with optical fiber interface 203 and power interface
204, optical fiber interface 203 and optical-fibre communications and control submodule 104 are connected, and the input of power interface 204 and power module 8 terminates
It is logical.
In the present embodiment, digital array module overheats during the test in order to prevent, if the top of box body 201 is equipped with
Dry radiator fan 206, the side of box body 201 are evenly equipped with several heat release holes 207.
2 settable one pieces of display screens 208 of outer box, for showing the local vibration source frequency code of current setting.
It as shown in figure 13, will in use, measured number array module 10 to be placed on to 201 top of box body of detection device
The grafting corresponding with installation slot 205 of the radio frequency input/output port 1003 of digital array module 10, is electrically accessed electricity for external city later
Source interface 204, the intelligent acess optical fiber interface 203 that will be connect with outer computer 9.Next, can be according in embodiment 2
Detection method tests digital array module 10.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiments of the present utility model only, not to
Limitation the utility model, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc.,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of digital array module interactive mode detection device, the measured number array module is that transceiving integrated, optical fiber connects
The digital array module of mouth；It is characterized in that, the internal circuit block of the detection device includes：
Crystal oscillator module for the super Low phase noise clock signal of 80MHz needed for generation device work；
Clock circuit module for 20MHz, 40MHz, 440MHz clock signal needed for generation device work；
Local oscillator source module for S-band local oscillator needed for generation device work；
S-band local oscillation signal for generating the local oscillator source module amplify and be divided into two-way local oscillator amplification function divide mould
Block；
Signal for carrying out Control & data acquisition to measured number array module generates and acquisition module；
It is synthesized for the radio-frequency channel to measured number array module, gives the signal after synthesis to signal and generate and acquire
The power division module of module；
Wherein：The signal generate and acquisition module respectively with the power combing module, local oscillator amplification function sub-module and
The clock circuit module connection, the crystal oscillator module, the clock circuit module, the local oscillator source module and institute
Local oscillator amplification function sub-module is stated to be sequentially connected；The signal generates and acquisition module, the power combing module and the local oscillator
Amplification function sub-module is connect with measured number array module respectively；Specifically：
The signal generates and acquisition module further comprises：
Intermediate-freuqncy signal for generating intermediate-freuqncy signal and carrying out A/D sampling to intermediate-freuqncy signal generates and acquisition submodule；
For the optical-fibre communications and control submodule with measured number array module communication connection；
For intermediate-freuqncy signal to be up-converted to the up-converter circuit submodule of radiofrequency signal；
Lower frequency changer circuit submodule for carrying out the radiofrequency signal of measured number array module to be down-converted to intermediate-freuqncy signal；
Network communication and transmission submodule for being communicated to connect with external computer networks；
Wherein：The intermediate-freuqncy signal generates and acquisition submodule is electric with the up-converter circuit submodule, the down coversion respectively
Way module, the optical-fibre communications and control submodule are connected with the network communication and transmission submodule.
2. a kind of digital array module interactive mode detection device according to claim 1, it is characterised in that：
The crystal oscillator module selects the crystal oscillator of model OCLN503F4S12V-80M000；
The clock circuit module includes：One point three of programmable 5 digit counters of model HMC394, model ADP-2-1W
Power splitter.
3. a kind of digital array module interactive mode detection device according to claim 1, which is characterized in that further include for institute
The power module of all module for power supply in internal circuit block is stated, the power module includes input terminal and the output of seven tunnels all the way
End；The input terminal accesses 220V alternating current, seven road output end export respectively 36V, 24V, 12V, 8V, 5V, 3.3V, -5V 7
Road power supply.
4. a kind of digital array module interactive mode detection device according to claim 1-3, which is characterized in that also
Including an outer box (2), the outer box (2) include the box body (201) and flip lid (202) of rectangular strip, the internal circuit block
Setting is in the box body (201)；The top of the box body (201) is equipped with the peace to match with the measured number array module
Plug slot (205), the installation slot (205) respectively with the signal generate and acquisition module, the power combing module and
The local oscillator amplification function sub-module is connected；The surface of the box body (201) is equipped with optical fiber interface (203) and power interface (204),
The optical fiber interface (203) and the optical-fibre communications and control submodule are connected, the power interface (204) and the power supply mould
The input terminal of block is connected.
5. a kind of digital array module interactive mode detection device according to claim 4, which is characterized in that the box body
(201) top is equipped with several radiator fans, and the side of the box body (201) is evenly equipped with several heat release holes (207).
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| CN201820685336.XU CN208172243U (en) | 2018-05-09 | 2018-05-09 | A kind of digital array module interactive mode detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333567A (en) * | 2018-05-09 | 2018-07-27 | 中国电子科技集团公司第三十八研究所 | A kind of digital array module interactive mode detection device and detection method |
| CN114785428A (en) * | 2022-03-29 | 2022-07-22 | 中国电子科技集团公司第三十八研究所 | Microwave frequency conversion assembly testing device and testing method |
-
2018
- 2018-05-09 CN CN201820685336.XU patent/CN208172243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333567A (en) * | 2018-05-09 | 2018-07-27 | 中国电子科技集团公司第三十八研究所 | A kind of digital array module interactive mode detection device and detection method |
| CN114785428A (en) * | 2022-03-29 | 2022-07-22 | 中国电子科技集团公司第三十八研究所 | Microwave frequency conversion assembly testing device and testing method |
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