EP1802990A1 - Verfahren zur verifikation der kalibrierung eines mehrtor-netzwerkanalysators und zugehörige kalibriereinheit - Google Patents
Verfahren zur verifikation der kalibrierung eines mehrtor-netzwerkanalysators und zugehörige kalibriereinheitInfo
- Publication number
- EP1802990A1 EP1802990A1 EP05788795A EP05788795A EP1802990A1 EP 1802990 A1 EP1802990 A1 EP 1802990A1 EP 05788795 A EP05788795 A EP 05788795A EP 05788795 A EP05788795 A EP 05788795A EP 1802990 A1 EP1802990 A1 EP 1802990A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- calibration
- network analyzer
- vna
- connections
- standards
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Definitions
- the invention relates to a method for verifying the calibration of a multi-port network analyzer according to the preamble of the main claim and a calibration unit for this purpose.
- Vectorial network analyzers must be calibrated prior to performing a measurement of the transmission and reflection coefficients of a DUT.
- a measurement of the transmission and reflection coefficients of a DUT at three or more known, from each other
- Coefficient measurements are carried out for each of 15 different calibration standards, from which error terms are calculated, with which system error corrections are then carried out during the actual object measurement.
- a calibration standard for example, an apprenticeship
- Such a calibration unit with fixedly dimensioned calibration standards is connected to the corresponding measuring ports of the network analyzer for calibration via plug and cable.
- the calibration process can
- the same calibration unit as previously used for the calibration is used for the verification, it only being necessary to swap the connections of the connection cables leading to the network analyzer such that at each measuring port of the network analyzer in each case a different calibration standard of the calibration unit is switched on than in the preceding calibration, that is to say, for example, a different training course, a different short circuit, a different adaptation and other through connections. Since in the method according to the invention for the verification previously used for the calibration connectors must be completely dissolved and reconnected after turning the calibration unit, cabling errors such as swap connections or poor electrical connections to the connectors are detected during verification.
- the inventive method is particularly suitable for Drei ⁇ or Mehrtor network analyzers.
- a particularly simple, compact calibration unit results for a four-port network analyzer, in which the calibration gates each protrude in pairs laterally on the housing and the calibration unit is simply turned over for verification and then the connection cables to the network analyzer are connected again from the same sides. It must be reversed only on one side of these connections (embodiment of Figures 6 and 7).
- Such a calibration unit could also be usefully used to verify a two-port network analyzer by then using two opposite ports for calibration and the other two opposite ports for verification.
- the method according to the invention is also suitable for network analyzers with more than four measuring ports, for example an eight-port network analyzer; the calibration unit used for this purpose then has, for example, one for this purpose suitable other geometry, the housing is, for example, five, six or octagonal.
- Fig. 1 is a vectorial network analyzer and a
- Fig. 1 shows schematically a vectorial network analyzer VNA with four measuring ports 1, 2, 3 and 4, which are connected for calibration via cables to the terminals A, B, C and D of a calibration unit KE.
- This z. B. formed as a plug terminals A to D, which are mounted on the outside projecting on a housing E, are connected in the interior of the housing with calibration standards, not shown.
- Each terminal A to D is connected via electronic switches with either a training course, a short circuit, an adjustment or leading to the other connections through connection.
- the network analyzer VNA is calibrated by the controlled sequential activation of these calibration standards to the four calibration ports A to D, and the error correction data required for the later object measurement is then determined from the calibration data and stored in the network analyzer.
- the verification standards used are the same standards previously used for calibration will be used. This is possible, provided that they are reversed so that when verifying each Meßtor the network analyzer each other calibration standards than in the previous calibration is turned on, for example, both a different course, another short circuit, another adjustment and another the total of six possible connections.
- FIG. 1 For a four-port network analyzer and a calibration unit KE with four calibration terminals A to D, there are therefore a total of six permutations, wherein FIG. 1 generates a first permutation by turning the calibration unit KE clockwise.
- FIGS. 2 to 5 show four further permutations, in which a reversal of the calibration units by mirror axes S is permitted.
- the four connections of the calibration gates A to D are released for verification V and then the calibration unit is rotated from the calibration position K clockwise into the verification position V. Then, the ports 1 to 4 of the network analyzer VNA are again connected in the old distribution to the ports A to D.
- the position of the connection cable between the network analyzer and the calibration unit remains the same both in the calibration position K and in the verification position V, so that no errors are caused by different bending radii on the cables and other effective electrical lengths.
- the same could also be achieved by rotating the calibration unit counterclockwise or turning it left or right by more than one calibration gate (e.g., three gates) (2nd permutation).
- the calibration unit consists in this embodiment according to Figures 6 and 7 of a rectangular housing E, wherein in the position shown in FIG. 6, the two terminals A and C on the left side and the two terminals B and D on the right side protrude laterally.
- the housing E On the upper side in the position according to FIG. 6, the housing E carries the inscription "calibration" and the connections A to D are on the upper side with 1, 2, 3 and 4 in the illustrated cable assignment, as shown in FIG. 5 is used, labeled.
- the calibration unit KE is reversed from the position shown in FIG. 6 in the position shown in FIG. 7, so that the back comes to rest at the top.
- the calibration unit is labeled "Verification” and again with the reference numbers 1 to 4 for the connection of the associated connection cables, in this inverted position now the connections A and C on the right side and the Make connections B and D on the left side of the housing E.
- the label on the front and back of the calibration unit KE allows the user to convert error-free from calibration to verification. It is only necessary to disengage all connections A to D, to turn over the calibration unit and then re-connect the cables in the labeled order, in the example on the left side the connections remain the same and on the right side the connections are reversed. The swapping of the connections can also be done on the left side, in which case the connections on the right remain unchanged. Again, the connection cable between network analyzer and calibration remain essentially the same, so that no measurement errors are to be feared even at higher frequencies as a result of changing the bending radii of the cable and its effective length.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004047308A DE102004047308A1 (de) | 2004-09-29 | 2004-09-29 | Verfahren zur Verifikation der Kalibrierung eines Mehrtor-Netzwerkanalysators und Kalibriereinheit hierfür |
| PCT/EP2005/010144 WO2006034801A1 (de) | 2004-09-29 | 2005-09-20 | Verfahren zur verifikation der kalibrierung eines mehrtor-netzwerkanalysators und zugehörige kalibriereinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1802990A1 true EP1802990A1 (de) | 2007-07-04 |
Family
ID=35453566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05788795A Ceased EP1802990A1 (de) | 2004-09-29 | 2005-09-20 | Verfahren zur verifikation der kalibrierung eines mehrtor-netzwerkanalysators und zugehörige kalibriereinheit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7759944B2 (de) |
| EP (1) | EP1802990A1 (de) |
| JP (1) | JP4709841B2 (de) |
| DE (1) | DE102004047308A1 (de) |
| WO (1) | WO2006034801A1 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7777497B2 (en) * | 2008-01-17 | 2010-08-17 | Com Dev International Ltd. | Method and system for tracking scattering parameter test system calibration |
| DE102008014039B4 (de) * | 2008-03-13 | 2010-02-18 | Spinner Gmbh | Anordnung zum Kalibrieren eines Vektornetzwerkanalysators |
| US8319502B2 (en) * | 2008-06-26 | 2012-11-27 | Dune Medical Devices Ltd. | RF calibration device and method |
| DE202008013982U1 (de) * | 2008-10-20 | 2009-01-08 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Messsystem zum Bestimmen von Streuparametern |
| DE102013227138B4 (de) * | 2013-12-23 | 2020-06-18 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Kalibriermodul mit integriertem Leistungsdetektor |
| JP6405707B2 (ja) * | 2014-05-28 | 2018-10-17 | 富士ゼロックス株式会社 | 差動ケーブルの評価方法 |
| US9903932B2 (en) * | 2015-12-07 | 2018-02-27 | Rohde & Schwarz Gmbh & Co. Kg | Measuring system, calibration device and measuring method with uncertainty analysis |
| DE102016004527B3 (de) * | 2016-04-13 | 2017-05-11 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Kalibrieranordnung und Verfahren zum Betrieb einer Kalibrieranordnung |
| EP3242143B1 (de) * | 2016-05-02 | 2023-03-01 | Rohde & Schwarz GmbH & Co. KG | Messvorrichtung |
| US10469333B2 (en) * | 2016-08-10 | 2019-11-05 | Rohde & Schwarze GmbH & Co. KG | Network analyzer systems and methods for operating a network analyzer |
| CN109683041A (zh) * | 2018-12-27 | 2019-04-26 | 中电科仪器仪表有限公司 | 一种高速数字互连部件复杂参数测试的方法 |
| CN112698257B (zh) * | 2020-12-10 | 2022-03-25 | 南京航空航天大学 | 矢量网络分析仪硬件指标对测量精度影响的分析方法 |
| CN112748386A (zh) * | 2020-12-28 | 2021-05-04 | 中国工程物理研究院计量测试中心 | 全自动多接口网络分析仪检定装置 |
| CN113093081B (zh) * | 2021-06-09 | 2021-08-17 | 深圳市鼎阳科技股份有限公司 | 用于频谱分析仪的校准和pv方法及生产系统 |
| CN116500397B (zh) * | 2023-02-24 | 2025-12-19 | 河北北芯半导体科技有限公司 | 一种电容器参数测试能力验证物品及制备方法 |
| EP4592691B1 (de) * | 2024-01-26 | 2026-03-04 | Rohde & Schwarz GmbH & Co. KG | Kalibrierverfahren und kalibriersystem |
| CN118962556B (zh) * | 2024-08-23 | 2025-08-29 | 成都玖锦科技有限公司 | 一种使用寿命长的电子校准件 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5047725A (en) * | 1989-11-28 | 1991-09-10 | Cascade Microtech, Inc. | Verification and correction method for an error model for a measurement network |
| US5332974A (en) * | 1990-05-01 | 1994-07-26 | Hewlett-Packard Company | Network analyzer performance verification |
| US5467021A (en) * | 1993-05-24 | 1995-11-14 | Atn Microwave, Inc. | Calibration method and apparatus |
| US5587934A (en) * | 1993-10-21 | 1996-12-24 | Wiltron Company | Automatic VNA calibration apparatus |
| US5548538A (en) * | 1994-12-07 | 1996-08-20 | Wiltron Company | Internal automatic calibrator for vector network analyzers |
| JPH11211766A (ja) * | 1998-01-26 | 1999-08-06 | Advantest Corp | 自動キャリブレーション装置 |
| US6570397B2 (en) * | 2001-08-07 | 2003-05-27 | Agilent Technologies, Inc. | Timing calibration and timing calibration verification of electronic circuit testers |
-
2004
- 2004-09-29 DE DE102004047308A patent/DE102004047308A1/de not_active Withdrawn
-
2005
- 2005-09-20 EP EP05788795A patent/EP1802990A1/de not_active Ceased
- 2005-09-20 US US11/662,692 patent/US7759944B2/en active Active
- 2005-09-20 JP JP2007533906A patent/JP4709841B2/ja not_active Expired - Lifetime
- 2005-09-20 WO PCT/EP2005/010144 patent/WO2006034801A1/de not_active Ceased
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2006034801A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080018342A1 (en) | 2008-01-24 |
| JP4709841B2 (ja) | 2011-06-29 |
| JP2008514933A (ja) | 2008-05-08 |
| US7759944B2 (en) | 2010-07-20 |
| DE102004047308A1 (de) | 2006-03-30 |
| WO2006034801A1 (de) | 2006-04-06 |
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