CN103336254A - Simple and convenient vector network analyzer calibration apparatus - Google Patents
Simple and convenient vector network analyzer calibration apparatus Download PDFInfo
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- CN103336254A CN103336254A CN2013102247983A CN201310224798A CN103336254A CN 103336254 A CN103336254 A CN 103336254A CN 2013102247983 A CN2013102247983 A CN 2013102247983A CN 201310224798 A CN201310224798 A CN 201310224798A CN 103336254 A CN103336254 A CN 103336254A
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Abstract
The invention relates to a simple and convenient vector network analyzer calibration apparatus. The simple and convenient vector network analyzer calibration apparatus mainly comprises an SMA joint I, an SMA joint II, an SMA joint III, an SMA joint IV, an SMA joint V, a PCB and a metal shielding box; the PCB is provided with the SMA joint I, the SMA joint II, the SMA joint III, the SMA joint IV and the SMA joint V; and the PCB is positioned inside the metal shielding box. Based on simply structural modification, when the simple and convenient vector network analyzer calibration apparatus is used, only one single apparatus is required, and therefore, cost can be greatly decreased with testing and debugging requirements satisfied.
Description
Technical field
It is relevant to the present invention relates to radio communication meter calibration system calibrating device, is a kind of calibrating installation of vector network analyzer simply and easily.
Background technology
Radio frequency and microwave regime can be carried out various S parameter testings frequently, and the present invention is that example is done down explanation with modal 2 port vector network analyzers.Present the most frequently used vector network analyzer (be example with the two-port) as shown in Figure 1.The vector network analyzer calibration procedure of 2 ports is generally as follows: 1. after instrument begins the two-port calibration, and the S11 of first calibration port 1, the radio frequency line 1 of port one connects open-circuited load earlier, connects short circuit load again, connects 50 ohm load then, and the S11 calibration finishes; 2. the calibration of beginning port 2S22, order is the same, and the radio frequency line 2 of port 2 connects open-circuited load earlier, connects short circuit load again, connects 50 ohm load then, and the S22 calibration finishes; 3. after port one and 2 is calibrated separately and finished, with straight-through part connectivity port 1 and port 2, carry out S12 (S21) calibration.In above calibration process, the calibrating device of using is minimum wants four, that is: open-circuited load, short circuit load, 50 ohm load, straight-through part.General this mechanically calibrated external member price is about 8,000 yuans.In addition, if use Electronic Calibration spare, though more convenient, the price of a cover Electronic Calibration spare is about 20,000 yuans, and price is very high.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and a kind of lower-cost calibrating installation of vector network analyzer simply and easily is provided.
The present invention solves the technical scheme that its technical matters adopts: this calibrating installation of vector network analyzer simply and easily, mainly comprise sub-miniature A connector I, sub-miniature A connector II, sub-miniature A connector III, sub-miniature A connector IV, sub-miniature A connector V, pcb board and metallic shield box, pcb board is provided with sub-miniature A connector I, sub-miniature A connector II, sub-miniature A connector III, sub-miniature A connector IV and sub-miniature A connector V, and pcb board is positioned at the metallic shield box.
Described sub-miniature A connector I is used as open-circuited load, the sub-miniature A connector II is used as short circuit load, and the sub-miniature A connector III is connected with 50 ohm load, uses as 50 ohm load, the sub-miniature A connector IV is connected with 50 ohm microstrip of sub-miniature A connector V by pcb board, uses as straight-through calibrating device.
The effect that the present invention is useful is: structure of the present invention is by simple structural change, in use as long as an inner room under the requirement of satisfying test and debugging requirement, greatly reduces cost.
Description of drawings
Fig. 1 is existing 2 port vector network analyzer synoptic diagram commonly used;
Fig. 2 is structural representation of the present invention.
Description of reference numerals: sub-miniature A connector I 1, sub-miniature A connector II 2, sub-miniature A connector III 3, sub-miniature A connector IV 4, sub-miniature A connector V 5, pcb board 6, metallic shield box 7.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in the figure, this calibrating installation of vector network analyzer simply and easily, mainly comprise sub-miniature A connector I 1, sub-miniature A connector II 2, sub-miniature A connector III 3, sub-miniature A connector IV 4, sub-miniature A connector V 5, pcb board 6 and metallic shield box 7, pcb board 6 is provided with sub-miniature A connector I 1, sub-miniature A connector II 2, sub-miniature A connector III 3, sub-miniature A connector IV 4 and sub-miniature A connector V 5, sub-miniature A connector I 1 is used as open-circuited load, sub-miniature A connector II 2 is used as short circuit load, sub-miniature A connector III 3 is connected with 50 ohm load, use as 50 ohm load, sub-miniature A connector IV 4 is connected with 50 ohm microstrip of sub-miniature A connector V 5 by pcb board 6, use as straight-through calibrating device, pcb board 6 is positioned at metallic shield box 7.
When using apparatus of the present invention to carry out the calibration of instrument, according to, sub-miniature A connector I 1 is done open-circuited load and is used, sub-miniature A connector II 2 is done short circuit load and is used, sub-miniature A connector III 3 is made 50 ohm load and is used, sub-miniature A connector III 3, sub-miniature A connector IV 4 and sub-miniature A connector V 5 are done straight-through part load and are used, and calibration process as mentioned above.
In 3Ghz, calibrating device of the present invention and standard calibration part comparison calibration effect are according to actual measurement S11, and S22 test value error is in the 0.02dB scope, and S21 (S12) test value error satisfies general test fully in the 0.03dB scope, the debugging requirement.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (2)
1. vector network analyzer calibrating installation simply and easily, it is characterized in that: comprise sub-miniature A connector I (1), sub-miniature A connector II (2), sub-miniature A connector III (3), sub-miniature A connector IV (4), sub-miniature A connector V (5), pcb board (6) and metallic shield box (7), pcb board (6) is provided with sub-miniature A connector I (1), sub-miniature A connector II (2), sub-miniature A connector III (3), sub-miniature A connector IV (4) and sub-miniature A connector V (5), and pcb board (6) is positioned at metallic shield box (7).
2. the calibrating installation of vector network analyzer simply and easily according to claim 1, it is characterized in that: described sub-miniature A connector I (1) is used as open-circuited load, sub-miniature A connector II (2) is used as short circuit load, sub-miniature A connector III (3) is connected with 50 ohm load, use as 50 ohm load, sub-miniature A connector IV (4) is connected with 50 ohm microstrip of sub-miniature A connector V (5) by pcb board (6), uses as straight-through calibrating device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102247983A CN103336254A (en) | 2013-06-06 | 2013-06-06 | Simple and convenient vector network analyzer calibration apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102247983A CN103336254A (en) | 2013-06-06 | 2013-06-06 | Simple and convenient vector network analyzer calibration apparatus |
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| CN103336254A true CN103336254A (en) | 2013-10-02 |
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| CN2013102247983A Pending CN103336254A (en) | 2013-06-06 | 2013-06-06 | Simple and convenient vector network analyzer calibration apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107279A (en) * | 2017-12-20 | 2018-06-01 | 宁波三星医疗电气股份有限公司 | A kind of supplied materials detection method for customizing antenna |
| CN109239636A (en) * | 2018-11-16 | 2019-01-18 | 中电科仪器仪表有限公司 | Vector network analyzer Electronic Calibration part based on more impedance states |
| CN112698257A (en) * | 2020-12-10 | 2021-04-23 | 南京航空航天大学 | Method for analyzing influence of hardware indexes of vector network analyzer on measurement precision |
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| US20030171886A1 (en) * | 2002-03-05 | 2003-09-11 | Hill Thomas C. | Calibration for vector network analyzer |
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| CN203385844U (en) * | 2013-06-06 | 2014-01-08 | 三维通信股份有限公司 | A simple and convenient vector network analyzer calibrating device |
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2013
- 2013-06-06 CN CN2013102247983A patent/CN103336254A/en active Pending
Patent Citations (7)
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| US20030115008A1 (en) * | 2001-12-18 | 2003-06-19 | Yutaka Doi | Test fixture with adjustable pitch for network measurement |
| US20030171886A1 (en) * | 2002-03-05 | 2003-09-11 | Hill Thomas C. | Calibration for vector network analyzer |
| CN1588114A (en) * | 2004-07-14 | 2005-03-02 | 上海电缆研究所 | Quick correcting method for multiple test port |
| CN1808126A (en) * | 2006-01-05 | 2006-07-26 | 厦门大学 | Microwave ceramic element detection clamp and device, and detection method thereof |
| CN201038509Y (en) * | 2007-05-18 | 2008-03-19 | 镇江通达电子有限公司 | Five core coaxial cable assembly calibration load connector |
| CN202421344U (en) * | 2011-12-20 | 2012-09-05 | 安徽华东光电技术研究所 | X-band circulator test device |
| CN203385844U (en) * | 2013-06-06 | 2014-01-08 | 三维通信股份有限公司 | A simple and convenient vector network analyzer calibrating device |
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| AGILENT: "Agilent FieldFox射频分析仪 N9912A 4/6 GHz 技术概览", 《AGILENT TECHNOLOGIES》, 30 September 2011 (2011-09-30), pages 24 - 25 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107279A (en) * | 2017-12-20 | 2018-06-01 | 宁波三星医疗电气股份有限公司 | A kind of supplied materials detection method for customizing antenna |
| CN109239636A (en) * | 2018-11-16 | 2019-01-18 | 中电科仪器仪表有限公司 | Vector network analyzer Electronic Calibration part based on more impedance states |
| CN112698257A (en) * | 2020-12-10 | 2021-04-23 | 南京航空航天大学 | Method for analyzing influence of hardware indexes of vector network analyzer on measurement precision |
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Application publication date: 20131002 |