CN103809056A - S parameter and passive intermodulation integrated test system - Google Patents
S parameter and passive intermodulation integrated test system Download PDFInfo
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- CN103809056A CN103809056A CN201410050967.0A CN201410050967A CN103809056A CN 103809056 A CN103809056 A CN 103809056A CN 201410050967 A CN201410050967 A CN 201410050967A CN 103809056 A CN103809056 A CN 103809056A
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Abstract
The invention discloses an S parameter and passive intermodulation integrated test system which comprises a device under test, a network analyzer and a plurality of PIM (personal information management) units. The S parameter and passive intermodulation integrated test system is characterized by further comprising a PSS (packet switching service) signal center, the device under test is connected with an input end of the PSS signal center, and an output end of the PSS signal center is respectively connected with the network analyzer and the PIM units. The S parameter and passive intermodulation integrated test system can realize one-stop PIM test of S parameter and a plurality of frequency bands, so that the test efficiency of products is greatly improved, and test time and test cost are reduced.
Description
Technical field
The present invention relates to a kind of test macro, be specifically related to a kind of S parameter and passive intermodulation integrated test system, belong to product testing equipment field.
Background technology
The Communications Market of current fast development has proposed more and more higher requirement to the passive intermodulation index of the device matching therewith, wherein PIM(Passive Inter Modulation, being passive intermodulation) test of index makes product expend many time in test link, especially the PIM of multiple frequency bands of test component, its time of expending is very huge, testing efficiency is very low, and the testing cost expending is very high.
In addition, in prior art, have that to be used for testing equipment under test (be DUT, device under test) the VNA(Vector network analyzer of S parameter, be network analyzer), in prior art, test the S parameter of equipment under test and passive intermodulation and be independent separately test so also make testing efficiency more low, the testing cost expending is more high.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of S parameter and passive intermodulation integrated test system.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
S parameter and passive intermodulation integrated test system, comprise equipment under test, network analyzer, some PIM units, it is characterized in that, also comprise PSS signal maincenter, described equipment under test connects the input end of PSS signal maincenter, and the output terminal of described PSS signal maincenter is interconnection network analyser and PIM unit respectively.
Aforesaid S parameter and passive intermodulation integrated test system, it is characterized in that, described PSS signal maincenter comprises some change-over switch groups, described change-over switch group comprises the first switch, second switch, described the first switch and second switch are single pole multiple throw, described the first switch comprises multiple input ends and an output terminal, described second switch comprises an input end and multiple output terminal, described equipment under test connects arbitrary input end of the first switch, the output terminal of described the first switch connects the input end of second switch, described PIM unit is connected with an output terminal of second switch respectively with network analyzer.
Aforesaid S parameter and passive intermodulation integrated test system, it is characterized in that, also comprise the 3rd switch, described the 3rd switch comprises input end and output terminal, the input end of described the 3rd switch is connected with an output terminal of second switch respectively with PIM unit, the output terminal interconnection network analyser of described the 3rd switch.
Aforesaid S parameter and passive intermodulation integrated test system, it is characterized in that, also comprise the 3rd switch, described the 3rd switch comprises two input ends and two output terminals, the output terminal of each the 3rd switch all connects a network analyzer, described PSS signal maincenter comprises first group of change-over switch group and second group of change-over switch group, an output terminal of described the 3rd switch is connected with an output terminal of second switch in first group of change-over switch group, and another output terminal of described the 3rd switch is connected with an output terminal of second switch in second group of change-over switch group.
Usefulness of the present invention is: S parameter of the present invention and passive intermodulation integrated test system can realize the PIM test of the one-stop S of completing parameter and multiple frequency bands, thereby increases substantially testing efficiency, reduction test duration and the testing cost of product.
Accompanying drawing explanation
Fig. 1 is a structural representation of preferably implementing of S parameter of the present invention and passive intermodulation integrated test system;
Fig. 2 is a structural representation of preferably implementing of PSS signal maincenter of the present invention.
The implication of Reference numeral in figure:
1, equipment under test, 2, the first switch of first group of change-over switch group, 3, the second switch of first group of change-over switch group, 4, the first switch of second group of change-over switch group, 5, the second switch of second group of change-over switch group, 6, network analyzer, 7, first port of first PIM unit, 8, first port of second PIM unit, 9, second of second PIM unit port, 10, second port of first PIM unit, 11, the 3rd switch, 12, ultralow intermodulation absorbing load, 13, ultralow intermodulation attenuator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
Shown in Fig. 1, S parameter of the present invention and passive intermodulation integrated test system, comprise equipment under test 1, network analyzer 6, some PIM units, also comprise PSS signal maincenter, equipment under test 1 connects the input end of PSS signal maincenter, and the output terminal of PSS signal maincenter is interconnection network analyser 6 and PIM unit respectively.In the present invention, the quantity of PIM unit can be one, can be also multiple, and the selection of its quantity determines according to test request.When carrying out S parameter and single-frequency point passive cross modulation test when needs, the output terminal of the PSS signal maincenter in Fig. 1 connects a PIM intermodulation testing instrument and a network analyzer 6 can meet the demands, for another example, in the time that needs carry out S parameter and 2 frequency PIM test, the output terminal of the PSS signal maincenter in Fig. 1 connects a PIM intermodulation testing instrument and two network analyzers 6 can meet the demands.For another example, in the time that needs carry out S parameter and 3 frequency PIM test, the output terminal of the PSS signal maincenter in Fig. 1 connects a PIM intermodulation testing instrument and three network analyzers 6 can meet the demands, therefore, PIM unit 1 to the PIM unit n of mark in accompanying drawing 1, n is wherein any positive integer.In addition, in the present invention, type and the quantity of equipment under test 1 do not limit, and equipment under test 1 can be the passive devices such as antenna, wave filter, power splitter, coupling mechanism and cable assembly.PSS signal maincenter in the present invention (please explain so implication of name, and what meaning PSS being), it is for equipment under test 1 being connected respectively to VNA and PIM unit, thereby completes different content measurements by the switching of inner passage in PSS signal maincenter.Thus, the present invention can be applied to the quick test in the passive device fields such as antenna, wave filter, power splitter, coupling mechanism and cable assembly.
One of the detailed described PSS signal maincenter of the present invention structure of preferably implementing below.As shown in Figure 2, PSS signal maincenter comprises some change-over switch groups, change-over switch group comprises the first switch 2, second switch 3, the first switch 2 and second switch 3 are single pole multiple throw, the first switch 4 comprises multiple input ends and an output terminal, second switch comprises an input end and multiple output terminal, equipment under test 1 connects arbitrary input end of the first switch 4, the output terminal of the first switch connects the input end of second switch 5, and PIM unit is connected with an output terminal of second switch 5 respectively with network analyzer 6.
In each change-over switch group, when actual use, can cut the first switch and second switch 5, thereby realize the switching connection of the different port of equipment under test 1 and network analyzer 6 and different PIM unit, thereby realize different content measurements.
In reality, in order to realize better switching and break-make between equipment under test 1 and network analyzer 6, the present invention can also comprise the 3rd switch 11, the 3rd switch 11 comprises input end and output terminal, the input end of the 3rd switch 11 is connected with an output terminal of second switch respectively with PIM unit, the output terminal interconnection network analyser 6 of the 3rd switch 11.Thereby can open and realize the switching between equipment under test 1 and network analyzer 6 by the break-make of the 3rd switch 11.The present invention does not limit the 3rd input end of switch 11 and the quantity of output terminal, the output terminal of the 3rd switch 11 also can connect one or more network analyzer 6, in the time that the output terminal of the 3rd switch 11 connects multiple network analyzer 6, can realize for an equipment under test 1, can realize the S parameter of testing equipment under test 1 by different network analyzer 6 by switching the 3rd switch 11, thereby make the measurement of S parameter more accurate.
Introduce the preferred embodiment in the time adopting multiple change-over switch group in PSS signal maincenter of the present invention below.To adopt two change-over switch groups to describe in PSS signal maincenter, while there is more change-over switch group, can analogize.As shown in Figure 2, now also comprise the 3rd switch 11, the 3rd switch 11 comprises two input ends and two output terminals, the output terminal of each the 3rd switch 11 all connects a network analyzer 6, PSS signal maincenter comprises first group of change-over switch group and second group of change-over switch group, an output terminal of the 3rd switch 11 is connected with an output terminal of second switch in first group of change-over switch group, and another output terminal of the 3rd switch 11 is connected with an output terminal of second switch in second group of change-over switch group.
In the time that the 3rd switch 11 comprises two input ends and two output terminals, in Fig. 2, two output terminals are connected with a network analyzer 6 respectively, therefore in the time that a certain equipment under test 1 carried out to the measurement of S parameter, can switch the 3rd switch 11, on each network analyzer 6, all carry out the measurement of S parameter, thus make for the measurement of S parameter more accurate.On the other hand, when the input end of the first switch in as Fig. 2 in the change-over switch group of each group is all connected with equipment under test 1, as shown in Figure 2, an output terminal of the second switch in first group of change-over switch group connects an input end of the 3rd switch 11, an output terminal of the second switch in second group of change-over switch group connects another input end of the 3rd switch 11, the present invention can be by switching the 3rd switch 11, realizing an output terminal of second switch in first group of change-over switch group is connected with a network analyzer 6, and an output terminal of second switch is connected with another network analyzer 6 in while second group of change-over switch group, thereby realize the parallel S parameter of simultaneously testing to multiple equipment under tests 1.
Further, in the present invention, the output terminal of the second switch of each change-over switch group can be provided with multiple, and therefore the second switch of each change-over switch group can connect multiple PIM units, also can connect multiple ports of a PIM unit, thereby realize different content measurements.For example, in Fig. 2, first group of change-over switch group is connected with second port 9 of second PIM unit and 0, the second group of change-over switch group of second port one of first PIM unit is connected with first port 7 of first PIM unit and first port 8 of second PIM unit.
In addition, the differentiation of in the present invention, change-over switch group being carried out to first group of change-over switch group, second group of change-over switch group is just to describing conveniently, and the differentiation of PIM unit being carried out to first PIM unit and second PIM unit is also just to describing conveniently.
To sum up, S parameter of the present invention and passive intermodulation integrated test system can realize the PIM test of the one-stop S of completing parameter and multiple frequency bands, thereby increase substantially testing efficiency, reduction test duration and the testing cost of product.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (4)
1.S parameter and passive intermodulation integrated test system, comprise equipment under test, network analyzer, some PIM units, it is characterized in that, also comprise PSS signal maincenter, described equipment under test connects the input end of PSS signal maincenter, and the output terminal of described PSS signal maincenter is interconnection network analyser and PIM unit respectively.
2. S parameter according to claim 1 and passive intermodulation integrated test system, it is characterized in that, described PSS signal maincenter comprises some change-over switch groups, described change-over switch group comprises the first switch, second switch, described the first switch and second switch are single pole multiple throw, described the first switch comprises multiple input ends and an output terminal, described second switch comprises an input end and multiple output terminal, described equipment under test connects arbitrary input end of the first switch, the output terminal of described the first switch connects the input end of second switch, described PIM unit is connected with an output terminal of second switch respectively with network analyzer.
3. S parameter according to claim 2 and passive intermodulation integrated test system, it is characterized in that, also comprise the 3rd switch, described the 3rd switch comprises input end and output terminal, the input end of described the 3rd switch is connected with an output terminal of second switch respectively with PIM unit, the output terminal interconnection network analyser of described the 3rd switch.
4. S parameter according to claim 2 and passive intermodulation integrated test system, it is characterized in that, also comprise the 3rd switch, described the 3rd switch comprises two input ends and two output terminals, the output terminal of each the 3rd switch all connects a network analyzer, described PSS signal maincenter comprises first group of change-over switch group and second group of change-over switch group, an output terminal of described the 3rd switch is connected with an output terminal of second switch in first group of change-over switch group, another output terminal of described the 3rd switch is connected with an output terminal of second switch in second group of change-over switch group.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521309A (en) * | 2018-06-08 | 2018-09-11 | 中国电子科技集团公司第四十研究所 | A kind of frequency sweep intermodulation distortion test System and method for |
| CN108931704A (en) * | 2018-06-19 | 2018-12-04 | 南京纳特通信电子有限公司 | A kind of 32 ports band S parameter passive cross modulation test instrument |
| CN109030960A (en) * | 2018-05-21 | 2018-12-18 | 广东通宇通讯股份有限公司 | A kind of 5G antenna filter integrated unit S parameter test method |
| CN109406884A (en) * | 2017-08-18 | 2019-03-01 | 罗德施瓦兹两合股份有限公司 | Vector network analyzer with digital interface |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110545144A (en) * | 2019-08-23 | 2019-12-06 | 深圳市信维通信股份有限公司 | Passive intermodulation test system of multiband multiaerial |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10281939A (en) * | 1997-02-14 | 1998-10-23 | Schlumberger Technol Inc | Ems test system |
| US7307338B1 (en) * | 2004-07-26 | 2007-12-11 | Spansion Llc | Three dimensional polymer memory cell systems |
| CN101470164A (en) * | 2007-12-29 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Method for measuring S parameter of passive circuit and measuring apparatus for implementing the same |
| CN102664695A (en) * | 2012-05-08 | 2012-09-12 | 中国联合网络通信有限公司广东省分公司 | Multi-signal passive intermodulation test equipment |
| CN202631635U (en) * | 2012-04-16 | 2012-12-26 | 罗森伯格（上海）通信技术有限公司 | Radio frequency test system |
| CN103226168A (en) * | 2013-04-07 | 2013-07-31 | 南京纳特通信电子有限公司 | PIM+S parameter tester |
| CN203205985U (en) * | 2013-04-28 | 2013-09-18 | 南京信息工程大学 | Device used for dynamic coordination of PSS parameters |
| CN203275528U (en) * | 2013-04-07 | 2013-11-06 | 南京纳特通信电子有限公司 | PIM+S parameter tester |
| CN103412255A (en) * | 2013-07-18 | 2013-11-27 | 西安空间无线电技术研究所 | Space-borne multichannel microwave switch testing device |
| CN203352554U (en) * | 2013-05-23 | 2013-12-18 | 合基联信电讯科技（北京）有限公司 | Alternatively connected multichannel radio frequency switch |
| CN103516373A (en) * | 2012-06-29 | 2014-01-15 | 安捷伦科技有限公司 | Passive intermodulation measurement apparatus |
-
2014
- 2014-02-14 CN CN201410050967.0A patent/CN103809056B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10281939A (en) * | 1997-02-14 | 1998-10-23 | Schlumberger Technol Inc | Ems test system |
| US7307338B1 (en) * | 2004-07-26 | 2007-12-11 | Spansion Llc | Three dimensional polymer memory cell systems |
| CN101470164A (en) * | 2007-12-29 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Method for measuring S parameter of passive circuit and measuring apparatus for implementing the same |
| CN202631635U (en) * | 2012-04-16 | 2012-12-26 | 罗森伯格（上海）通信技术有限公司 | Radio frequency test system |
| CN102664695A (en) * | 2012-05-08 | 2012-09-12 | 中国联合网络通信有限公司广东省分公司 | Multi-signal passive intermodulation test equipment |
| CN103516373A (en) * | 2012-06-29 | 2014-01-15 | 安捷伦科技有限公司 | Passive intermodulation measurement apparatus |
| CN103226168A (en) * | 2013-04-07 | 2013-07-31 | 南京纳特通信电子有限公司 | PIM+S parameter tester |
| CN203275528U (en) * | 2013-04-07 | 2013-11-06 | 南京纳特通信电子有限公司 | PIM+S parameter tester |
| CN203205985U (en) * | 2013-04-28 | 2013-09-18 | 南京信息工程大学 | Device used for dynamic coordination of PSS parameters |
| CN203352554U (en) * | 2013-05-23 | 2013-12-18 | 合基联信电讯科技（北京）有限公司 | Alternatively connected multichannel radio frequency switch |
| CN103412255A (en) * | 2013-07-18 | 2013-11-27 | 西安空间无线电技术研究所 | Space-borne multichannel microwave switch testing device |
Non-Patent Citations (3)
| Title |
|---|
| 万运强等: "组合式无源互调自动测试系统的设计", 《电子测量技术》 * |
| 叶强等: "基于计算机一体化无源互调测试系统的研究", 《仪器仪表学报》 * |
| 蒋江湖等: "移动通信天线的无源互调干扰研究", 《陕西理工学院学报（自然科学版）》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406884A (en) * | 2017-08-18 | 2019-03-01 | 罗德施瓦兹两合股份有限公司 | Vector network analyzer with digital interface |
| CN109030960A (en) * | 2018-05-21 | 2018-12-18 | 广东通宇通讯股份有限公司 | A kind of 5G antenna filter integrated unit S parameter test method |
| CN108521309A (en) * | 2018-06-08 | 2018-09-11 | 中国电子科技集团公司第四十研究所 | A kind of frequency sweep intermodulation distortion test System and method for |
| CN108521309B (en) * | 2018-06-08 | 2020-09-01 | 中国电子科技集团公司第四十一研究所 | System and method for testing frequency sweep intermodulation distortion |
| CN108931704A (en) * | 2018-06-19 | 2018-12-04 | 南京纳特通信电子有限公司 | A kind of 32 ports band S parameter passive cross modulation test instrument |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110545144A (en) * | 2019-08-23 | 2019-12-06 | 深圳市信维通信股份有限公司 | Passive intermodulation test system of multiband multiaerial |
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