CN203278843U - Low-intermodulation radio frequency coaxial switch test matrix - Google Patents
Low-intermodulation radio frequency coaxial switch test matrix Download PDFInfo
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- CN203278843U CN203278843U CN2013201667511U CN201320166751U CN203278843U CN 203278843 U CN203278843 U CN 203278843U CN 2013201667511 U CN2013201667511 U CN 2013201667511U CN 201320166751 U CN201320166751 U CN 201320166751U CN 203278843 U CN203278843 U CN 203278843U
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- low intermodulation
- intermodulation radio
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Abstract
The utility model discloses a low-intermodulation radio frequency coaxial switch test matrix. The low-intermodulation radio frequency coaxial switch test matrix comprises a single-pole four-throw low-intermodulation radio frequency coaxial switch and three single-pole double-throw low-intermodulation radio frequency coaxial switches. The low-intermodulation radio frequency coaxial switch test matrix provided by the utility model can carry out intermodulation tests to passive devices to be tested on different frequency bands, and test S parameters of the passive devices at the same time; and the test efficiency of products is improved, and the low-intermodulation radio frequency coaxial switch test matrix is great in flexibility and scalability.
Description
Technical field
The utility model relates to the field tests of wideband antenna feeder passive device in radio communication.
Background technology
Along with the continuous expansion of China's mobile communications network and the rapid increase of transmitted data amount, use the quantitative requirement of low intermodulation passive device product also more and more for mobile communication, to improve production test efficient under the cost of labor prerequisite be the problem that numerous communication production firms consider not increasing.And the testing passive device all adopts the intermodulation testing instrument of single frequency point in the market, if measure the passive device intermodulation index of other frequency range, measured piece must be removed, change on the intermodulation testing instrument of other frequency range and test, and carry out again the S parameter testing after the end of test intermodulation index, vary like this, affect the efficient of production test.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of accuracy rate that can guarantee to measure test product intermodulation index and S parameter is provided, and can improve again the low intermodulation radio-frequency (RF) coaxial switch testing matrix of the efficient of product measurement.
The utility model specifically solves the problems of the technologies described above by the following technical solutions: the utility model has designed a kind of low intermodulation radio-frequency (RF) coaxial switch testing matrix, comprise that a hilted broadsword four is thrown the low intermodulation radio-frequency (RF) coaxial switch of formula and three single-pole double-throw types hang down intermodulation radio-frequency (RF) coaxial switches, wherein:
The public port that hilted broadsword four is thrown the low intermodulation radio-frequency (RF) coaxial switch of formula is connected with the public port of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type;
The first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with the first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type, and the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with low intermodulation radio-frequency (RF) coaxial switch the first test lead of the 3rd single-pole double-throw type;
The test port of the common connected with passive measured device 121 of public port of the public port of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type;
The second test lead of the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type is two ports of connected vector network analyzer respectively.
As a kind of optimizing structure of the present utility model: the port that described hilted broadsword four is thrown between the low intermodulation radio-frequency (RF) coaxial switch of formula and three low intermodulation radio-frequency (RF) coaxial switches of single-pole double-throw type connects by low intermodulation cable.
The utility model compared with prior art has following advantage:
1, test port switches flexibly, and the expansible ability of function is powerful;
2, have higher intermodulation index, stable testing;
3, modularized design, volume is little, lightweight.
Description of drawings
Fig. 1 is the principle assumption diagram of the designed low intermodulation radio-frequency (RF) coaxial switch testing matrix of the utility model;
Fig. 2 is the actual test philosophy figure of the designed low intermodulation radio-frequency (RF) coaxial switch testing matrix of the utility model.
119-hangs down intermodulation radio-frequency (RF) coaxial switch testing matrix, the 120-vector network analyzer, and the passive measured device of 121-, 123-controls driver element.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model has designed a kind of low intermodulation radio-frequency (RF) coaxial switch testing matrix, comprises that a hilted broadsword four is thrown the low intermodulation radio-frequency (RF) coaxial switch of formula and three single-pole double-throw types hang down intermodulation radio-frequency (RF) coaxial switches, wherein:
The public port that hilted broadsword four is thrown the low intermodulation radio-frequency (RF) coaxial switch of formula is connected with the public port of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type;
The first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with the first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type, and the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with low intermodulation radio-frequency (RF) coaxial switch the first test lead of the 3rd single-pole double-throw type;
The common connected with passive measured device of the public port 121(ANT of the public port of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type) test port;
The second test lead of the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type is two ports of connected vector network analyzer respectively.
As a kind of optimizing structure of the present utility model: the port that described hilted broadsword four is thrown between the low intermodulation radio-frequency (RF) coaxial switch of formula and three low intermodulation radio-frequency (RF) coaxial switches of single-pole double-throw type connects by low intermodulation cable.
As shown in Figure 2, in specific embodiment, hilted broadsword four is thrown the intermodulation instrument of 2,3,4, the 5 ports connection different frequency ranges of the low intermodulation radio-frequency (RF) coaxial switch J1 of formula, and we give an example with intermodulation instrument 1 here:
When the port 2 of switch J1 connects intermodulation instrument 1, signal is transferred to the public port 1 of switch J1 by the port 2 of switch J1, controlling driver element 123(MCU) control under, switch J2 arranges port 2 conductings, switch J3 puts port 2 conductings equally, above-mentioned signal is measured passive measured device 121(ANT through the port one of switch J3) intermodulation numerical value;
When 2 ports of switch J1 connect intermodulation instrument 1, signal is transferred to the port one of switch J1 by the port 2 of J1, controlling driver element 123(MCU) control under, switch J2 arranges port 3 conductings, switch J4 puts port 2 conductings, above-mentioned signal is measured passive measured device 121(ANT through the port one of switch J4) intermodulation numerical value;
The signal of vector network analyzer 120 port ones is being controlled driver element 123(MCU through the port 3 of switch J3) control under, switch J3 arranges port 3 conductings, above-mentioned signal is measured passive measured device 121(ANT through the port one of switch J3) the S parameter;
The signal of vector network analyzer 120 ports 2 is being controlled driver element 123(MCU through the port 3 of switch J4) control under, switch J4 arranges port 3 conductings, above-mentioned signal is measured passive measured device 121(ANT through the port one of switch J4) the S parameter.
Claims (2)
1. one kind low intermodulation radio-frequency (RF) coaxial switch testing matrix is characterized in that: comprise that a hilted broadsword four throws the low intermodulation radio-frequency (RF) coaxial switch of formula and three low intermodulation radio-frequency (RF) coaxial switches of single-pole double-throw types, wherein:
The public port that hilted broadsword four is thrown the low intermodulation radio-frequency (RF) coaxial switch of formula is connected with the public port of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type;
The first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with the first test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type, and the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the first single-pole double-throw type is connected with low intermodulation radio-frequency (RF) coaxial switch the first test lead of the 3rd single-pole double-throw type;
The test port of the common connected with passive measured device of public port (121) of the public port of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type;
The second test lead of the second test lead of the low intermodulation radio-frequency (RF) coaxial switch of the second single-pole double-throw type and the low intermodulation radio-frequency (RF) coaxial switch of the 3rd single-pole double-throw type is two ports of connected vector network analyzer (120) respectively.
2. low intermodulation radio-frequency (RF) coaxial switch testing matrix according to claim 1 is characterized in that: the port that described hilted broadsword four is thrown between the low intermodulation radio-frequency (RF) coaxial switch of formula and three low intermodulation radio-frequency (RF) coaxial switches of single-pole double-throw type connects by low intermodulation cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201667511U CN203278843U (en) | 2013-04-07 | 2013-04-07 | Low-intermodulation radio frequency coaxial switch test matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201667511U CN203278843U (en) | 2013-04-07 | 2013-04-07 | Low-intermodulation radio frequency coaxial switch test matrix |
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| Publication Number | Publication Date |
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| CN203278843U true CN203278843U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201667511U Expired - Lifetime CN203278843U (en) | 2013-04-07 | 2013-04-07 | Low-intermodulation radio frequency coaxial switch test matrix |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236887A (en) * | 2013-04-07 | 2013-08-07 | 南京纳特通信电子有限公司 | Low intermodulation radio frequency coaxial switch testing array |
| CN104202101A (en) * | 2014-09-09 | 2014-12-10 | 西安烽火电子科技有限责任公司 | Short wave/ultra-short wave instant dynamic spectrum sensing system and method |
| CN114244451A (en) * | 2021-12-16 | 2022-03-25 | 深圳市广和通无线股份有限公司 | Radio frequency channel test circuit, method, device and medium |
-
2013
- 2013-04-07 CN CN2013201667511U patent/CN203278843U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236887A (en) * | 2013-04-07 | 2013-08-07 | 南京纳特通信电子有限公司 | Low intermodulation radio frequency coaxial switch testing array |
| CN104202101A (en) * | 2014-09-09 | 2014-12-10 | 西安烽火电子科技有限责任公司 | Short wave/ultra-short wave instant dynamic spectrum sensing system and method |
| CN114244451A (en) * | 2021-12-16 | 2022-03-25 | 深圳市广和通无线股份有限公司 | Radio frequency channel test circuit, method, device and medium |
| CN114244451B (en) * | 2021-12-16 | 2024-05-10 | 深圳市广和通无线股份有限公司 | Radio frequency access test circuit, method, device and medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |