CN103746736A - Integrated test system for 14 channel optical fiber data transmission TR equipment - Google Patents
Integrated test system for 14 channel optical fiber data transmission TR equipment Download PDFInfo
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- CN103746736A CN103746736A CN201310676843.9A CN201310676843A CN103746736A CN 103746736 A CN103746736 A CN 103746736A CN 201310676843 A CN201310676843 A CN 201310676843A CN 103746736 A CN103746736 A CN 103746736A
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Abstract
The invention provides an integrated test system for 14 channel optical fiber data transmission TR equipment, and helps to solve the problems that when a machine is tested by a conventional system, one day is needed and man-caused test errors exist. The integrated test system is formed by a test platform digital processing module, a one-from-fourteen switch module, a first one-from-four switch module, a second one-from-four switch module, a test platform source module, a test platform power module, a test platform upper and lower frequency conversion module, an industrial control computer module, a signal source, a spectrum analyzer and a peak power meter.
Description
technical field:
The present invention is with relevant with the test macro of index for 14 functions of passage fibre optic data transmission TR equipment.
background technology:
In the market not for the testing equipment of 14 passage fibre optic data transmission TR equipment, similar test macro is all the stack of simply carrying out equipment, then carries out the test macro completing of some complicated calibration functions; Complete product of test, the testing equipment that test data is formed to form was not also found.14 passage fibre optic data transmission TR equipment have the two-way optical fiber transport channel in four tunnels (being mainly used in the baseband signal of transmitting transceiver) and 14 L-band TR modules, because the frequency of each lane testing reaches hundreds of, need the index of test also to have ten multinomial simultaneously, very large of the workload that causes test, artificial complete machine of test, need to spend the time of one day, and have artificial test error
summary of the invention:
The object of this invention is to provide a kind of function many, easy to use, test accuracy is high, the 14 passage fibre optic data transmission TR equipment complex test macros that operating efficiency is high.
The present invention is achieved in that
14 passage fibre optic data transmission TR equipment complex test macros, by test platform digital signal processing module, 14 select 1 switch module, first, two, 4 select 1 switch module, test platform source module, test platform power module, test platform Up/Down Conversion module, industrial computer module, signal source, frequency spectrograph, peak power meter composition, 14 passage fibre optic data transmission TR equipment are equipment under tests, trade name is 14 railway digital TR assemblies, and industrial computer module is connected with test platform digital signal processing module, and test platform digital signal processing module connects bus by low frequency and selects 1 switch module with 14 respectively, first, 24 select 1 switch module, test platform source module, test platform power module, test platform Up/Down Conversion module connects, and by 4 road optical fiber, is connected with 14 railway digital TR assemblies, by 700M line, is connected with test platform Up/Down Conversion module, by 300M line, is connected with test platform source module, and test platform source module is by 20M line, LO line is connected with 14 railway digital TR assemblies, through 10M line, is connected with signal source, and signal source and the 1 selects 1 switch module to be connected, and test platform source module is connected with test platform Up/Down Conversion module, and test platform Up/Down Conversion module one tunnel is through first of series connection, two fixed attenuators and the 24 select 1 switch module to be connected, a road with, the one 4 selects 1 switch module to connect, and the one 4 selects 1 switch module and 14 to select 1 switch module, industrial computer module connect, 14 select 1 switch module to select 1 switch module to be connected through the 3rd fixed attenuator with the 24, Jing14 road radio frequency is connected with 14 railway digital TR assemblies, the 24 select 1 switch module respectively with industrial computer module, frequency spectrograph, peak power meter connects, and 14 railway digital TR assemblies are connected with test platform power module.
The model of test platform digital signal processing module: JDTR70MAIIDDZ20-0002A, 14 selects the model of 1 switch module: JDPSW1011T14A, first and second 4 model of selecting 1 switch module: the model of the model of the model of JDPSW1011T4A, test platform source module: JDFS1011S92, test platform power module: JDV356-036010A, test platform Up/Down Conversion module: the model of JDTR1011AIIRDS40-4202A, industrial computer module: JDQT-001.
The model of testing software bag: JDTR1011AIRZB4740-14A-RJ, also has two annexes in addition: one is 1 point of 14 calibration power splitter, and model: JDMD1011S14A is used in equipment Alignment; Another is tested TR field testing adapter, and model: JDMD1011S14B is as extension device, to use when equipment does high low temperature.
14 railway digital TR assemblies have 14 antenna opening and 14 to select 1 switch module to be connected; When 14 railway digital TR assemblies are in emission state time, 14 select 1 switch module to connect antenna Zhong mono-tunnels, No. 14, after signal attenuation by the 3rd fixed attenuator 30dB, input the 24 common port that selects 1 switch module, select to output to frequency spectrograph or peak power meter carries out the test of frequency spectrum and power;
When 14 railway digital TR assemblies are in accepting state time, the signal of signal source will select 1 switch module to choose 14 common ports that select 1 switch module by the 1, then, by certain antenna, output in 14 railway digital TR assemblies and process, data after treatment, tested platform digital processing module receives, and carries out the test of sensitivity;
Test platform source module, for 14 railway digital TR assemblies provide local oscillator and reference, guarantees the normal work of 14 railway digital TR assemblies;
Test platform Up/Down Conversion module exists as test phase stability, in test phase, transmitting of 14 railway digital TR assemblies will select 1 switch module, 4 to select 1 switch module by 14, be fed to test platform Up/Down Conversion module, export to test platform digital signal processing module, transmitter, phase and receiving phase are compared, form a fixing phase difference, thereby whether obtain phase place stable;
Test platform power module provides power supply for 14 railway digital TR assemblies and whole test macro;
During work, industrial computer module is by serial ports to connected module sending controling instruction, and the mode that connected module is responded is carried out work.
The present invention
function is many, easy to use,test accuracy is high,
operating efficiency is high.make the check of bulk article more quick, meanwhile, employee's workload has also reduced, and, testing time be 2 hours one, tester only need to pack equipment into test macro, connects power supply, optical fiber and reference clock, click test automatically, the times of two hours, just can form test report, centre operates without tester, does not have the problem of artificial test error.
accompanying drawing explanation:
Fig. 1 is circuit block diagram of the present invention.
Fig. 2 is receive path calibration schematic diagram.
Fig. 3 is transmission channel calibration schematic diagram.
embodiment:
14 passage fibre optic data transmission TR equipment complex test macros are by test platform digital signal processing module (model: JDTR70MAIIDDZ20-0002A), 14 select 1 switch module (model: JDPSW1011T14A), 4 select 1 switch module (model: JDPSW1011T4A), test platform source module (model: JDFS1011S92), test platform power module (model: JDV356-036010A), test platform Up/Down Conversion module (model: JDTR1011AIIRDS40-4202A), industrial computer module (model: JDQT-001) and signal source, frequency spectrograph, peak power meter, and a set of testing software bag (model: JDTR1011AIRZB4740-14A-RJ) composition.Also have in addition two annexes: one is 1 point of 14 calibration power splitter (model: JDMD1011S14A), in equipment Alignment, uses; Another is tested TR field testing adapter (model: JDMD1011S14B), is as extension device, to use when equipment does high low temperature.14 passage fibre optic data transmission TR equipment are equipment under tests, and trade name is 14 railway digital TR assemblies,
Industrial computer module is connected with test platform digital signal processing module, test platform digital signal processing module connects bus by low frequency and selects 1 switch module with 14 respectively, first, 24 select 1 switch module, test platform source module, test platform power module, test platform Up/Down Conversion module connects, by 4 road optical fiber, be connected with 14 railway digital TR assemblies, by 700M line, be connected with test platform Up/Down Conversion module, by 300M line, be connected with test platform source module, test platform source module is by 20M line, LO line is connected with 14 railway digital TR assemblies, through 10M line, be connected with signal source, signal source and the 1 selects 1 switch module to be connected, test platform source module is connected with test platform Up/Down Conversion module, test platform Up/Down Conversion module one tunnel is through first of series connection, two fixed attenuators and the 24 select 1 switch module to be connected, one tunnel with, the one 4 selects 1 switch module to connect, the one 4 selects 1 switch module and 14 to select 1 switch module, industrial computer module connects, 14 select 1 switch module to select 1 switch module to be connected through the 3rd fixed attenuator with the 24, Jing14 road radio frequency is connected with 14 railway digital TR assemblies, the 24 select 1 switch module respectively with industrial computer module, frequency spectrograph, peak power meter connects, 14 railway digital TR assemblies are connected with test platform power module.
Operation principle: L-band 14 road radiofrequency signal is received, and the local oscillator providing by test platform source module is carried out mixing, output baseband signal is synthesized processing by Optical Fiber Transmission in system; The baseband signal that system provides, sends to 14 railway digital TR assemblies by optical fiber, and 14 railway digital TR assembly D/A generate analog signal, are converted to L-band, are amplified to 50W and export;
14 passage fibre optic data transmission TR equipment complex test macros: mainly complete the test function of all indexs to 14 passage fibre optic data transmission TR equipment, and form form.
14 railway digital TR assemblies have 14 antenna opening and 14 to select 1 switch module to be connected; When 14 railway digital TR assemblies are in emission state time, switch connection antenna Zhong mono-tunnels, No. 14, after being declined and originally subtracted by the signal of 30dB, the common port of 1 switch module is selected in input 4, selects to output to frequency spectrograph or peak power meter carries out the test of frequency spectrum and power;
When 14 railway digital TR assemblies are in accepting state time, the signal of signal source will select 1 switch module to choose 14 common ports that select 1 switch module by 4, then, by certain antenna, output in 14 railway digital TR assemblies and process, data after treatment, tested platform digital processing module receives, and carries out the test of sensitivity etc.;
Test platform source module, for 14 railway digital TR assemblies provide local oscillator and reference, guarantees the normal work of 14 railway digital TR assemblies;
Test platform Up/Down Conversion module exists as test phase stability, in test phase, transmitting of 14 railway digital TR assemblies will select 1 switch module, 4 to select 1 switch module by 14, be fed to test platform Up/Down Conversion module, export to test platform digital signal processing module, transmitter, phase and receiving phase are compared, form a fixing phase difference, thereby whether obtain phase place stable;
The three-prong plug of test macro is inserted with on electric 220V tri-core sockets, first, opens three instruments (peak power meter, frequency spectrograph, signal source) below, then, press the mains switch in the upper right corner of test, whole instrument starts shooting, test and calibration.
Claims (4)
1.14 passage fibre optic data transmission TR equipment complex test macros, is characterized in that by test platform digital signal processing module, 14 select 1 switch module, first, two, 4 select 1 switch module, test platform source module, test platform power module, test platform Up/Down Conversion module, industrial computer module, signal source, frequency spectrograph, peak power meter composition, 14 passage fibre optic data transmission TR equipment are equipment under tests, trade name is 14 railway digital TR assemblies, and industrial computer module is connected with test platform digital signal processing module, and test platform digital signal processing module connects bus by low frequency and selects 1 switch module with 14 respectively, first, 24 select 1 switch module, test platform source module, test platform power module, test platform Up/Down Conversion module connects, and by 4 road optical fiber, is connected with 14 railway digital TR assemblies, by 700M line, is connected with test platform Up/Down Conversion module, by 300M line, is connected with test platform source module, and test platform source module is by 20M line, LO line is connected with 14 railway digital TR assemblies, through 10M line, is connected with signal source, and signal source and the 1 selects 1 switch module to be connected, and test platform source module is connected with test platform Up/Down Conversion module, and test platform Up/Down Conversion module one tunnel is through first of series connection, two fixed attenuators and the 24 select 1 switch module to be connected, a road with, the one 4 selects 1 switch module to connect, and the one 4 selects 1 switch module and 14 to select 1 switch module, industrial computer module connect, 14 select 1 switch module to select 1 switch module to be connected through the 3rd fixed attenuator with the 24, Jing14 road radio frequency is connected with 14 railway digital TR assemblies, the 24 select 1 switch module respectively with industrial computer module, frequency spectrograph, peak power meter connects, and 14 railway digital TR assemblies are connected with test platform power module.
2. 14 passage fibre optic data transmission TR equipment complex test macros according to claim 1, it is characterized in that the model of test platform digital signal processing module: JDTR70MAIIDDZ20-0002A, 14 select the model of 1 switch module: JDPSW1011T14A, first, 24 select the model of 1 switch module: JDPSW1011T4A, the model of test platform source module: JDFS1011S92, the model of test platform power module: JDV356-036010A, the model of test platform Up/Down Conversion module: JDTR1011AIIRDS40-4202A, the model of industrial computer module: JDQT-001.
3. 14 passage fibre optic data transmission TR equipment complex test macros according to claim 1, it is characterized in that the model of testing software bag: JDTR1011AIRZB4740-14A-RJ, also have in addition two annexes: one is 1 point of 14 calibration power splitter, model: JDMD1011S14A is used in equipment Alignment; Another is tested TR field testing adapter, and model: JDMD1011S14B, is as extension device, to use when equipment does high low temperature.
4. 14 passage fibre optic data transmission TR equipment complex test macros according to claim 1, is characterized in that 14 railway digital TR assemblies have 14 antenna opening and 14 to select 1 switch module to be connected; When 14 railway digital TR assemblies are in emission state time, 14 select 1 switch module to connect antenna Zhong mono-tunnels, No. 14, after signal attenuation by the 3rd fixed attenuator 30dB, input the 24 common port that selects 1 switch module, select to output to frequency spectrograph or peak power meter carries out the test of frequency spectrum and power;
When 14 railway digital TR assemblies are in accepting state time, the signal of signal source will select 1 switch module to choose 14 common ports that select 1 switch module by the 1, then, by certain antenna, output in 14 railway digital TR assemblies and process, data after treatment, tested platform digital processing module receives, and carries out the test of sensitivity;
Test platform source module, for 14 railway digital TR assemblies provide local oscillator and reference, guarantees the normal work of 14 railway digital TR assemblies;
Test platform Up/Down Conversion module exists as test phase stability, in test phase, transmitting of 14 railway digital TR assemblies will select 1 switch module, 4 to select 1 switch module by 14, be fed to test platform Up/Down Conversion module, export to test platform digital signal processing module, transmitter, phase and receiving phase are compared, form a fixing phase difference, thereby whether obtain phase place stable;
Test platform power module provides power supply for 14 railway digital TR assemblies and whole test macro;
During work, industrial computer module is by serial ports to connected module sending controling instruction, and the mode that connected module is responded is carried out work.
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| CN105281852A (en) * | 2015-10-30 | 2016-01-27 | 四川九洲电器集团有限责任公司 | L-band test equipment and test method |
| CN106020018A (en) * | 2016-05-17 | 2016-10-12 | 中国电子科技集团公司第四十研究所 | USB-based TR assembly programmable state controller and working method thereof |
| CN107831477A (en) * | 2017-10-20 | 2018-03-23 | 北京无线电测量研究所 | A kind of digital transmitting and receiving component Auto-Test System |
| CN110380742A (en) * | 2019-07-19 | 2019-10-25 | 珠海纳睿达科技有限公司 | The phase gain total temperature automatic test device and method of binary channels frequency conversion system |
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| CN110380742A (en) * | 2019-07-19 | 2019-10-25 | 珠海纳睿达科技有限公司 | The phase gain total temperature automatic test device and method of binary channels frequency conversion system |
| CN110380742B (en) * | 2019-07-19 | 2024-03-19 | 广东纳睿雷达科技股份有限公司 | Automatic phase gain full-temperature testing device and method for dual-channel frequency conversion system |
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