CN206505295U - A kind of four-way coherent signal generating means - Google Patents
A kind of four-way coherent signal generating means Download PDFInfo
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- CN206505295U CN206505295U CN201720206549.5U CN201720206549U CN206505295U CN 206505295 U CN206505295 U CN 206505295U CN 201720206549 U CN201720206549 U CN 201720206549U CN 206505295 U CN206505295 U CN 206505295U
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Abstract
The utility model is specifically related to a kind of four-way coherent signal generating means, purpose is to provide a kind of four-way coherent signal generating means of excellent performance, and the four-way coherent signal generating means can be used for test and the fault diagnosis of the equipments such as communication equipment, radar receiver, navigation equipment and data chain device.Synchronization module including the signal generator module for producing signal, for carrying out system synchronization, control module and mainframe box for control system operation；The signal generator module, synchronization module and control module are integrated in mainframe box；The signal generator module signal is connected to synchronization module；The synchronization module signal is connected to control module.
Description
Technical field
The utility model is related to the communications field, and in particular to a kind of four-way coherent signal generating means.
Background technology
In the test process of the communication equipment and radar equipment of multichannel etc., it is required for using suitable radio-frequency signal source
Produce signaling mode identical, phase coherent, the multi-channel radio frequency signal of time delay and amplitude in the range of certain coincident indicator.
One multichannel coherent radiofrequency signal generation system needs to meet same clock, reference and altogether three conditions of triggering altogether.
To build four-way coherent signal generation system, conventional method is using four single channel signal generators, using common source
External clock and trigger signal realize that signal coherent is exported.
Build such set of system and there are multiple drawbacks.First, between multiple passages phase, amplitude calibration are complicated, need
Want signal generator to produce calibration signal, then the time delay and range error between multichannel are measured by external meters, it is calibrated
Precision be limited to the precision of measuring instrumentss.Secondly, such set of system is difficult to control to system bulk, and its price is also very high
It is expensive.
The content of the invention
The purpose of this utility model is to provide a kind of four-way coherent signal generating means, and it has：Excellent performance, purposes
Extensive and low cost and other advantages.
For achieving the above object, the technical scheme that the utility model is used is：Signal for producing signal is produced
Raw module, the synchronization module for carrying out system synchronization, the control module run for control system and mainframe box；The signal
Generation module, synchronization module and control module are integrated in mainframe box；The signal generator module signal is connected to synchronization module；
The synchronization module signal is connected to control module.
It is preferred that, the signal generator module includes four identical signals and produces submodule, is respectively：First signal is produced
Raw submodule, secondary signal produce submodule, the 3rd signal and produce submodule and the 4th signal generation submodule.
It is preferred that, four identical signals, which produce submodule, to be included：Input interface, trigger signal input interface,
Trigger signal output interface, output interface, clock input interface, clock output interface, local oscillator, pretreatment unit, when
Clock unit, memory cell, signal generation unit and D/A conversion unit；The input interface signal is connected to pretreatment unit；
The pretreatment unit signal is connected to signal generation unit, the signal generation unit, and signal is connected to digital-to-analogue conversion list respectively
Member, clock unit, memory cell and pretreatment unit；The D/A conversion unit signal is connected to output interface；The clock
Signal is connected to clock input interface and clock output interface to unit respectively.
It is preferred that, the input interface is the data signal input interface of PCIe bus standards, and the output interface is SMA
The analog signal output interface of standard.
It is preferred that, the synchronization module includes：Synchronization unit, clock signal input terminal mouthful, clock signal output terminal mouthful, touch
Signalling input port and trigger signal output port；Clock signal output terminal mouthful and clock input interface the signal connection；
The trigger signal output port signal is connected to trigger signal input port.
It is preferred that, the mainframe box includes：1 PCIe interface, 4 USB interfaces and 1 LAN mouthfuls.
Compared with prior art, the beneficial effects of the utility model are：
A kind of four-way coherent signal generating means of excellent performance is provided, the four-way coherent signal generating means can use
Test and fault diagnosis in equipments such as communication equipment, radar receiver, navigation equipment and data chain devices.Meanwhile, the four-way
Road coherent signal generator can be used as baseband signal generating means, can also be used as radio-frequency signal generator, function is more
Sample, and reduce cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of four-way coherent signal generating means of the present utility model；
Fig. 2 is a kind of structural representation of the signal generator module of four-way coherent signal generating means of the present utility model
Figure.
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool
The utility model is described in further detail for body example.
For achieving the above object, the technical scheme that the utility model is used is：Signal for producing signal is produced
Raw module, the synchronization module for carrying out system synchronization, the control module run for control system and mainframe box；The signal
Generation module, synchronization module and control module are integrated in mainframe box；The signal generator module signal is connected to synchronization module；
The synchronization module signal is connected to control module.
It is preferred that, the signal generator module includes four identical signals and produces submodule, is respectively：First signal is produced
Raw submodule, secondary signal produce submodule, the 3rd signal and produce submodule and the 4th signal generation submodule.
It is preferred that, four identical signals, which produce submodule, to be included：Input interface, output interface, trigger signal
Input interface, trigger signal output interface, clock input interface, clock output interface, local oscillator, pretreatment unit, when
Clock unit, memory cell, signal generation unit and D/A conversion unit；The input interface signal is connected to pretreatment unit；
The pretreatment unit signal is connected to signal generation unit, the signal generation unit, and signal is connected to digital-to-analogue conversion list respectively
Member, clock unit, memory cell and pretreatment unit；The D/A conversion unit signal is connected to output interface；The clock
Signal is connected to clock input interface and clock output interface to unit respectively.
First, control computer or external software produce signal waveform file, and it is single to be input to pretreatment by input interface
Member, then, data signal are fed to signal generation unit, signal generation unit can by internal logic by signal storage arrive with
Connected memory cell it is standby or output a signal to the D/A conversion unit of next stage, convert digital signals into simulation letter
Number, the analog signal after conversion is directly exported by signal output interface.
The work clock of signal generation unit and D/A conversion unit is provided by clock unit, when signal generator module work
It may be selected to use internal clocking or external clock in single, when polylith signal generator module cooperating, export many
During passage coherent signal, each module uses external clock.After data signal is ready, under trigger signal excitation,
System exports radiofrequency signal.
It is preferred that, the input interface is the data signal input interface of PCIe bus standards, and the output interface is SMA
The analog signal output interface of standard.It is preferred that, the synchronization module includes：Synchronization unit, clock signal input terminal mouth, clock
Signal output port, trigger signal input port and trigger signal output port；The clock signal output terminal mouthful and clock are defeated
Inbound port signal is connected；The trigger signal output port signal is connected to trigger signal input port.
Synchronization module includes input end of clock mouthful and four output terminal of clock mouthful, is designated as respectively：1,2,3 and 4；And triggering
Input port and four trigger output ends mouthful are designated as respectively：5,6,7 and 8.Synchronization module operationally, will inside synchronization module
Homologous clock signal is divided into four tunnel in-phase signals, is exported respectively by output terminal of clock mouthful 1,2,3 and 4, then successively with first
Signal generator module, secondary signal generation module, the input end of clock of the 3rd signal generator module and the 4th signal generator module
Mouth connection.Homologous trigger signal is divided into four tunnel in-phase signals, is exported respectively by trigger output end mouthful 5,6,7 and 8, then successively
With the triggering of the first signal generator module, secondary signal generation module, the 3rd signal generator module and the 4th signal generator module
Input port is connected.
It is preferred that, the mainframe box includes：1 PCIe interface, 4 USB interfaces and 1 LAN mouthfuls.
Mainframe box also includes supply unit, and power supply is provided for device；Also include heat abstractor, be device radiation.Control mould
Block uses the embedded industrial computer of standard.
It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not be regarded
For to limitation of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of four-way coherent signal generating means, it is characterised in that described device includes：Signal for producing signal is produced
Raw module, the synchronization module for carrying out system synchronization, the control module run for control system and mainframe box；The signal
Generation module, synchronization module and control module are integrated in mainframe box；The signal generator module signal is connected to synchronization module；
The synchronization module signal is connected to control module.
2. four-way coherent signal generating means as claimed in claim 1, it is characterised in that the signal generator module includes
Four identical signals produce submodule, are respectively：First signal produces submodule, secondary signal and produces submodule, the 3rd letter
Number producing submodule and the 4th signal produces submodule.
3. four-way coherent signal generating means as claimed in claim 2, it is characterised in that four identical signals production
Raw submodule includes：Input interface, output interface, trigger signal input interface, trigger signal output interface, clock input connect
Mouth, clock output interface, local oscillator, pretreatment unit, clock unit, memory cell, signal generation unit and digital-to-analogue turn
Change unit；The input interface signal is connected to pretreatment unit；The pretreatment unit signal be connected to signal generation unit,
Signal is connected to D/A conversion unit, clock unit, memory cell and pretreatment unit to the signal generation unit respectively；It is described
D/A conversion unit signal is connected to output interface；Signal is connected to clock input interface to the clock unit respectively and clock is defeated
Outgoing interface.
4. four-way coherent signal generating means as claimed in claim 3, it is characterised in that the input interface is that PCIe is total
The data signal input interface of line standard, the output interface is the analog signal output interface of SMA standards.
5. four-way coherent signal generating means as claimed in claim 2, it is characterised in that the synchronization module includes：Together
Walk unit, clock signal input terminal mouth, clock signal output terminal mouthful, trigger signal input port and trigger signal output port；
The clock signal output terminal mouthful and the connection of input end of clock message number；The trigger signal output port signal is connected to triggering
Signal input port.
6. four-way coherent signal generating means as claimed in claim 5, it is characterised in that the mainframe box includes：1
PCIe interface, 4 USB interfaces and 1 LAN mouthfuls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206549.5U CN206505295U (en) | 2017-03-03 | 2017-03-03 | A kind of four-way coherent signal generating means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206549.5U CN206505295U (en) | 2017-03-03 | 2017-03-03 | A kind of four-way coherent signal generating means |
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| Publication Number | Publication Date |
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| CN206505295U true CN206505295U (en) | 2017-09-19 |
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| CN201720206549.5U Active CN206505295U (en) | 2017-03-03 | 2017-03-03 | A kind of four-way coherent signal generating means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462460A (en) * | 2018-11-23 | 2019-03-12 | 中国电子科技集团公司第三十八研究所 | A kind of multiple channel test method and device of the system of included AD9361 chip |
| CN114844577A (en) * | 2022-05-05 | 2022-08-02 | 西安亨孚防务科技有限责任公司 | Broadband multi-style signal simulator |
-
2017
- 2017-03-03 CN CN201720206549.5U patent/CN206505295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462460A (en) * | 2018-11-23 | 2019-03-12 | 中国电子科技集团公司第三十八研究所 | A kind of multiple channel test method and device of the system of included AD9361 chip |
| CN114844577A (en) * | 2022-05-05 | 2022-08-02 | 西安亨孚防务科技有限责任公司 | Broadband multi-style signal simulator |
| CN114844577B (en) * | 2022-05-05 | 2023-12-22 | 西安亨孚防务科技有限责任公司 | Broadband multi-style signal simulator |
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