CN102944752A - Insertion loss testing system and method of filter - Google Patents
Insertion loss testing system and method of filter Download PDFInfo
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- CN102944752A CN102944752A CN2012104862499A CN201210486249A CN102944752A CN 102944752 A CN102944752 A CN 102944752A CN 2012104862499 A CN2012104862499 A CN 2012104862499A CN 201210486249 A CN201210486249 A CN 201210486249A CN 102944752 A CN102944752 A CN 102944752A
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Abstract
The invention belongs to the technical field of electronic testing and measuring, and relates to an insertion loss testing system and method of a filter. The system comprises a computer, a network analyzer and a filter testing device, wherein the computer is provided with PNA testing data graphical display software and is connected with the network analyzer through a serial port connection wire, an input port of the filter testing device is connected with an output port of the network analyzer, and an output port of the filter testing device is connected with an input port of the network analyzer. By operating the PNA testing data graphical display software, the insertion loss of the filter can be automatically read, and the testing data can be automatically recorded. Accordingly, the testing efficiency of the insertion loss of the filter and accuracy of testing data are effectively improved.
Description
Technical field
The present invention is a kind of test macro, and particularly filter insertion loss test macro and method are applicable to the test of filter insertion loss.
Background technology
Because present filters to test method is for manually to read wave filter in insertion loss and each frequency test data of manual record of each frequency, during this kind method test filter insertion loss, reading out data speed is slow and accuracy rate is low.For this reason, can improve filter insertion loss detection speed and the high method of testing of reading out data accuracy in the urgent need to a kind of.
Summary of the invention
The purpose of this invention is to provide a kind of detection efficiency of filter insertion loss and filter insertion loss test macro and method of accurate read test data of improving.
Technical scheme of the present invention is: the filter insertion loss test macro is characterized in that: comprise computing machine, network analyzer, filters to test device; Computing machine is installed PNA test data pattern software for display, and is connected with network analyzer by serial port connecting wire; Filters to test device input end is connected with the network analyzer output terminal, and filters to test device output terminal is connected with the network analyzer input port.
Described filters to test device comprises common mode/differential mode switch, filters to test device input end, p-wire, tested wave filter, filters to test device output terminal, shielding box, clamp device and base, base is the U-shaped structure of rectangle, common mode/differential mode switch and filters to test device input end are fixed on U-shaped end one end, divide right and left; Filters to test device output terminal is fixed on the U-shaped end other end; Four shielding boxs are in U-shaped cavity, two at one end is divided right and left, the shielding box bottom is connected with the base metal, with clamp device tested wave filter is fixed between former and later two shielding boxs of base, tested wave filter bottom is connected with the base metal, two p-wires of filters to test device input end are connected with tested filter input end respectively, tested filter output is connected with two p-wires of filters to test device output terminal, guarantee the corresponding connection of wave filter input/output terminal, tested wave filter two ends p-wire shields by shielding box.
The filter insertion loss method of testing is characterized in that: comprise the steps:
A, with clamp device wave filter bottom is fully contacted and is fixed on the base, cover plate on four shielding boxs of proving installation is opened, two p-wires of filters to test device input end are connected with tested filter input end respectively, tested filter output is connected with two p-wires of filters to test device output terminal, guarantees the corresponding connection of wave filter input/output terminal; Four shielding boxs with tested filter insertion loss proving installation after the inspection connection is errorless fasten;
B, with the common mode/differential mode switch be allocated to " common mode " shelves;
C, at this moment, PNA test data pattern software for display are the common mode test; Click PNA test data pattern software for display and " deposit one group of data ", system automatically reads common-mode data and automatically record common-mode data in the WORD document; The common mode/differential mode switch is allocated to " differential mode " shelves;
D, PNA test data pattern software for display are automatically converted to differential mode;
E, PNA test data pattern software for display " are deposited one group of data ", and system automatically reads the differential mode data and automatically record the differential mode data in the WORD document; PNA test data pattern software for display is automatically converted to common mode, and the WORD document enters a new line automatically;
F, return testing procedure A and test next wave filter.
Advantage of the present invention: the technical solution adopted for the present invention to solve the technical problems is: computing machine, PNA test data pattern software for display, filters to test device, network analyzer combine test macro by Serial Port Line and special signal connecting line, automatically read filter insertion loss and automatic record test data by operation PNA test data pattern software for display.Switch by operation computer software and filters to test device, automatically read common mode, the differential mode loss of wave filter, and in template document automatic record test data, automatic test filter insertion loss effectively raises test speed and the data precision of wave filter.
Description of drawings
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 filter insertion loss test macro overall schematic;
Fig. 2 filter insertion loss proving installation structural representation;
Fig. 3 PNA test data pattern software for display schematic diagram.
Among the figure: 1, computing machine; 2, network analyzer; 3, filters to test device; 4, common mode/differential mode switch; 5, filters to test device input end; 6, p-wire; 7, tested wave filter; 8, filters to test device output terminal; 9, shielding box; 10, clamp device; 11, base; 12, PNA test data pattern software for display.
Embodiment
As shown in Figure 1: the filter insertion loss test macro comprises computing machine 1, network analyzer 2, filters to test device 3; Computing machine 1 is installed PNA test data pattern software for display 12, and is connected with network analyzer by serial port connecting wire; Filters to test device input end 5 is connected with the network analyzer output port, and filters to test device output terminal 8 is connected with the network analyzer input port.
As shown in Figure 2: filters to test device 3 comprises common mode/differential mode switch 4, filters to test device input end 5, p-wire 6, tested wave filter 7, filters to test device output terminal 8, shielding box 9, clamp device 10 and base 11, base 11 is the U-shaped structure of rectangle, common mode/differential mode switch 4 and filters to test device input end 5 are fixed on U-shaped end one end, divide right and left; Filters to test device output terminal 8 is fixed on the U-shaped end other end; Four shielding boxs 9 are in U-shaped cavity, two at one end is divided right and left, shielding box 9 bottoms are connected with base 1 metal, with clamp device 10 tested wave filter 7 is fixed between base 1 former and later two shielding boxs 9, tested wave filter 7 bottoms are connected with base 1 metal, two p-wires 6 of filters to test device input end 5 are connected with tested wave filter 7 input ends respectively, tested wave filter 7 output terminals are connected with two p-wires 6 of filters to test device output terminal 8, guarantee the corresponding connection of wave filter input/output terminal, tested wave filter 7 two ends p-wires 6 are by shielding box 9 shieldings.
As shown in Figure 3: computing machine 1 is equipped with PNA test data pattern software for display 12.
The filter insertion loss test:
Test macro arranges: open PNA test data pattern software for display 12, and---" setting "------" resetting "---" determining "---it is " touching altogether " shelves that common mode/differential mode change-over switch 4 is set, and---two p-wires 6 of input are connected with two p-wires 6 of output respectively, and---" straight-through calibration "---" measurement "---" derivation "---" word template "---arranges " the 2nd group of the page number 1 "---mark " automatic increasing " to " list frequency sweep " (" abandon " and arrange by the side filter frequency by " increase ").
The filter insertion loss method of testing is characterized in that: comprise the steps:
A, fully contact and be fixed on wave filter bottom on the base 1 with clamp device 10, cover plate on four shielding boxs 9 of proving installation is opened, two p-wires 6 of filters to test device input end 5 are connected with tested wave filter 7 input ends respectively, tested wave filter 7 output terminals are connected with two p-wires 6 of filters to test device output terminal 8, guarantee the corresponding connection of wave filter input/output terminal; Four shielding boxs 9 with tested wave filter 7 insertion loss proving installations after the inspection connection is errorless fasten;
B, with common mode/differential mode switch 4 be allocated to " common mode " shelves;
C, at this moment, PNA test data pattern software for display 12 are the common mode test; Click PNA test data pattern software for display 12 " depositing one group of data ", system automatically reads common-mode data and automatically record common-mode data in the WORD document; Common mode/differential mode switch 4 is allocated to " differential mode " shelves;
D, PNA test data pattern software for display 12 are automatically converted to differential mode;
E, PNA test data pattern software for display 12 " are deposited one group of data ", and system automatically reads the differential mode data and automatically record the differential mode data in the WORD document; PNA test data pattern software for display 12 is automatically converted to common mode, and the WORD document enters a new line automatically;
F, return testing procedure A and test next wave filter.
The parts that the present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not one by one narration.
Claims (3)
1. the filter insertion loss test macro is characterized in that: comprise computing machine (1), network analyzer (2), filters to test device (3); Computing machine (1) is installed PNA test data pattern software for display (12), and is connected with network analyzer by serial port connecting wire; Filters to test device input end (5) is connected with the network analyzer output port, and filters to test device output terminal (8) is connected with the network analyzer input port.
2. filter insertion loss test macro according to claim 1, it is characterized in that: described filters to test device (3) comprises common mode/differential mode switch (4), filters to test device input end (5), p-wire (6), tested wave filter (7), filters to test device output terminal (8), shielding box (9), clamp device (10) and base (11), base (11) is the U-shaped structure of rectangle, common mode/differential mode switch (4) and filters to test device input end (5) are fixed on U-shaped end one end, divide right and left; Filters to test device output terminal (8) is fixed on the U-shaped end other end; Four shielding boxs (9) are in U-shaped cavity, two at one end is divided right and left, shielding box (9) bottom is connected with base (1) metal, with clamp device (10) tested wave filter (7) is fixed between former and later two shielding boxs of base (1) (9), tested wave filter (7) bottom is connected with base (1) metal, two p-wires (6) of filters to test device input end (5) are connected with tested wave filter (7) input end respectively, tested wave filter (7) output terminal is connected with two p-wires (6) of filters to test device output terminal (8), guarantee the corresponding connection of wave filter input/output terminal, tested wave filter (7) two ends p-wires (6) are by shielding box (9) shielding.
3. the filter insertion loss method of testing is characterized in that: comprise the steps:
A, with clamp device (10) wave filter bottom is fully contacted and is fixed on the base (1), cover plate on four shielding boxs (9) of proving installation is opened, two p-wires (6) of filters to test device input end (5) are connected with tested wave filter (7) input end respectively, tested wave filter (7) output terminal is connected with two p-wires (6) of filters to test device output terminal (8), guarantees the corresponding connection of wave filter input/output terminal; Four shielding boxs (9) with tested wave filter (7) insertion loss proving installation after the inspection connection is errorless fasten;
B, with common mode/differential mode switch (4) be allocated to " common mode " shelves;
C, at this moment, PNA test data pattern software for display (12) are the common mode test; Click PNA test data pattern software for display (12) and " deposit one group of data ", system automatically reads common-mode data and automatically record common-mode data in the WORD document; Common mode/differential mode switch (4) is allocated to " differential mode " shelves;
D, PNA test data pattern software for display (12) are automatically converted to differential mode;
E, PNA test data pattern software for display (12) " are deposited one group of data ", and system automatically reads the differential mode data and automatically record the differential mode data in the WORD document; PNA test data pattern software for display (12) is automatically converted to common mode, and the WORD document enters a new line automatically;
F, return testing procedure A and test next wave filter.
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| CN2012104862499A CN102944752A (en) | 2012-11-26 | 2012-11-26 | Insertion loss testing system and method of filter |
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| CN2012104862499A CN102944752A (en) | 2012-11-26 | 2012-11-26 | Insertion loss testing system and method of filter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353540A (en) * | 2013-06-27 | 2013-10-16 | 国家电网公司 | Testing apparatus for testing measuring board module of photovoltaic combiner box |
| CN103983812A (en) * | 2014-05-27 | 2014-08-13 | 哈尔滨工业大学 | Filtering switchover testing device |
| CN104062510B (en) * | 2014-07-07 | 2016-09-28 | 中国船舶重工集团公司第七二四研究所 | The two-port reciprocity feeder line insert loss method farther out of measurement error can be reduced |
| CN109239501A (en) * | 2018-11-09 | 2019-01-18 | 江苏贝孚德通讯科技股份有限公司 | A kind of test device and test method of filter |
| CN117890635A (en) * | 2024-03-18 | 2024-04-16 | 苏州中航天成电子科技有限公司 | Device and method for testing insertion loss of packaging shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777858Y (en) * | 2005-04-14 | 2006-05-03 | 上海聚星仪器有限公司 | Parallel network analyzer |
| CN101852829A (en) * | 2009-12-30 | 2010-10-06 | 西安开容电子技术有限责任公司 | Insertion loss testing device for lead type filter and design method thereof |
| CN102185664A (en) * | 2011-04-08 | 2011-09-14 | 福建泰克通信有限公司 | Automatic testing system of radio frequency passive device |
| CN203191451U (en) * | 2012-11-26 | 2013-09-11 | 西安开容电子技术有限责任公司 | Filter insertion loss test system |
-
2012
- 2012-11-26 CN CN2012104862499A patent/CN102944752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777858Y (en) * | 2005-04-14 | 2006-05-03 | 上海聚星仪器有限公司 | Parallel network analyzer |
| CN101852829A (en) * | 2009-12-30 | 2010-10-06 | 西安开容电子技术有限责任公司 | Insertion loss testing device for lead type filter and design method thereof |
| CN102185664A (en) * | 2011-04-08 | 2011-09-14 | 福建泰克通信有限公司 | Automatic testing system of radio frequency passive device |
| CN203191451U (en) * | 2012-11-26 | 2013-09-11 | 西安开容电子技术有限责任公司 | Filter insertion loss test system |
Non-Patent Citations (1)
| Title |
|---|
| 王培章等: "《微波射频技术电路设计与分析》", 31 August 2012 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353540A (en) * | 2013-06-27 | 2013-10-16 | 国家电网公司 | Testing apparatus for testing measuring board module of photovoltaic combiner box |
| CN103353540B (en) * | 2013-06-27 | 2016-01-20 | 国家电网公司 | A kind of proving installation measuring plate module for testing photovoltaic combiner box |
| CN103983812A (en) * | 2014-05-27 | 2014-08-13 | 哈尔滨工业大学 | Filtering switchover testing device |
| CN103983812B (en) * | 2014-05-27 | 2016-08-17 | 哈尔滨工业大学 | Test filtering switching device |
| CN104062510B (en) * | 2014-07-07 | 2016-09-28 | 中国船舶重工集团公司第七二四研究所 | The two-port reciprocity feeder line insert loss method farther out of measurement error can be reduced |
| CN109239501A (en) * | 2018-11-09 | 2019-01-18 | 江苏贝孚德通讯科技股份有限公司 | A kind of test device and test method of filter |
| CN117890635A (en) * | 2024-03-18 | 2024-04-16 | 苏州中航天成电子科技有限公司 | Device and method for testing insertion loss of packaging shell |
| CN117890635B (en) * | 2024-03-18 | 2024-05-10 | 苏州中航天成电子科技有限公司 | Device and method for testing insertion loss of packaging shell |
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Application publication date: 20130227 |