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Welcome to the VNA Tools forum!
METAS VNA Tools is
a software that is designed to compute uncertainties of S-parameter measurements, see
www.metas.ch/vnatools
.
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Michael Smith
,
Michael Wollensack METAS
2
Aug 2
Adding instrument drift data to table
Hi, see the VNA Guide, Appendix G.3 https://www.euramet.org/Media/news/I-CAL-GUI-
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Adding instrument drift data to table
Hi, see the VNA Guide, Appendix G.3 https://www.euramet.org/Media/news/I-CAL-GUI-
Aug 2
wickli...@gmail.com
,
Michael Wollensack METAS
2
Aug 2
Conversion to VDF via Script
Hi, you could write a text file with 3 columns (frequency, value and uncertainty), see https://www.
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Conversion to VDF via Script
Hi, you could write a text file with 3 columns (frequency, value and uncertainty), see https://www.
Aug 2
Michael Smith
,
Juerg Ruefenacht
3
Jul 25
4P Ecal error corrected file sizes: ENORMOUS!
Thank you, this is helpful. I did have the Small Unc Limit set to 0 from the training. I'm using
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4P Ecal error corrected file sizes: ENORMOUS!
Thank you, this is helpful. I did have the Small Unc Limit set to 0 from the training. I'm using
Jul 25
roschiroh...@gmail.com
, …
Fabian Distler
7
Jun 28
Q&A
How do I characterize a Connector?
Hello, When characterising a test port adapter, does it make a difference whether one calibrates
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Q&A
How do I characterize a Connector?
Hello, When characterising a test port adapter, does it make a difference whether one calibrates
Jun 28
guo ying
Jun 8
Does METAS plan to support evaluating Noise figure and mixer's uncertainty?
I have seen latest Version 2.5.7935.30849 can support Frequency Conversion Calibrations(3.9.1 Scalar
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Does METAS plan to support evaluating Noise figure and mixer's uncertainty?
I have seen latest Version 2.5.7935.30849 can support Frequency Conversion Calibrations(3.9.1 Scalar
Jun 8
Michael Smith
,
Michael Wollensack METAS
9
Jun 7
Keysight Ecal accuracy comparing METAS Zo states with Firmware Calibration
I keep making incremental progress on this methodology, Michael, but progress nonetheless. Using
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Keysight Ecal accuracy comparing METAS Zo states with Firmware Calibration
I keep making incremental progress on this methodology, Michael, but progress nonetheless. Using
Jun 7
mauro foti
,
Michael Wollensack METAS
2
Jun 2
Cannot open PNA E8364C with VNA Tools 2.5
Hi, this is bug introduced in V2.5.2 of VNA Tools. There is workaround for it, see see https://groups
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Cannot open PNA E8364C with VNA Tools 2.5
Hi, this is bug introduced in V2.5.2 of VNA Tools. There is workaround for it, see see https://groups
Jun 2
Tomo Yokoyama
,
Michael Wollensack METAS
2
May 24
Errors: Example 09_OnWafer_Example_GGB_CS-5 (LRRM_Opt_01.calcfg)
Hi, LRRM_Opt_01.calcfg needs QSOLT_01 as start values for the optimization. LRRM_Opt_01.calcfg is
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Errors: Example 09_OnWafer_Example_GGB_CS-5 (LRRM_Opt_01.calcfg)
Hi, LRRM_Opt_01.calcfg needs QSOLT_01 as start values for the optimization. LRRM_Opt_01.calcfg is
May 24
Michael Smith
,
Michael Wollensack METAS
4
May 19
ECAL issue: Number of ports must agree
Good news, Michael. I was able to save the impedance states as databased standards and refer to them
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ECAL issue: Number of ports must agree
Good news, Michael. I was able to save the impedance states as databased standards and refer to them
May 19
Michael Wollensack METAS
2
May 9
Can't repair or uninstall VNA Tools
This could be due an unhandled exception when VNA Tools loads the user.config file: Unhandled
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Can't repair or uninstall VNA Tools
This could be due an unhandled exception when VNA Tools loads the user.config file: Unhandled
May 9
Rob Feldman
,
Michael Wollensack METAS
2
Apr 29
Power Sensor Automation
The power sensor and the VNA sweep is measured with Metas.Instr.Driver.Vna.VnaHelper.
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Power Sensor Automation
The power sensor and the VNA sweep is measured with Metas.Instr.Driver.Vna.VnaHelper.
Apr 29
Claes Wingqvist
,
Michael Wollensack METAS
3
Apr 19
Support for old firmware in PNA
Hi, The fix works. Thanks for the suppport. Regards Claes RISE, Research Institutes of Sweden tisdag
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Support for old firmware in PNA
Hi, The fix works. Thanks for the suppport. Regards Claes RISE, Research Institutes of Sweden tisdag
Apr 19
Zach Horn
,
Michael Wollensack METAS
2
Apr 11
GSOLT thru requirements
Hi, this is not possible at the moment with a GSOLT calibration. This is a limitation of VNA Tools.
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GSOLT thru requirements
Hi, this is not possible at the moment with a GSOLT calibration. This is a limitation of VNA Tools.
Apr 11
Zach Horn
,
Michael Wollensack METAS
2
Apr 7
snp to sdatb conversion
The Linearity tables are empty for your defined VNA. See Database / VNA Device / Linearity. See an
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snp to sdatb conversion
The Linearity tables are empty for your defined VNA. See Database / VNA Device / Linearity. See an
Apr 7
Tomo Yokoyama
,
Michael Wollensack METAS
2
Apr 6
Question: Optimization calibration & {D] & [V] boxes characterization
> Does this numerical approach compute a new set of error terms after each iteration? Yes > Are
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Question: Optimization calibration & {D] & [V] boxes characterization
> Does this numerical approach compute a new set of error terms after each iteration? Yes > Are
Apr 6
Tomo Yokoyama
,
Michael Wollensack METAS
3
Apr 5
OpenFile(filepath) & .NET Assembly
Thanks, Michael. 'LoadSParamDataAsStruct' works fine. On Monday, April 4, 2022 at 11:35:24 PM
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OpenFile(filepath) & .NET Assembly
Thanks, Michael. 'LoadSParamDataAsStruct' works fine. On Monday, April 4, 2022 at 11:35:24 PM
Apr 5
Simon Gut
,
Michael Wollensack METAS
3
Apr 5
Combine adapter data measured in both direction
Thanks Michael for the script. Works perfectly fine. Best regards Simon Michael Wollensack METAS
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Combine adapter data measured in both direction
Thanks Michael for the script. Works perfectly fine. Best regards Simon Michael Wollensack METAS
Apr 5
Tomo Yokoyama
,
Michael Wollensack METAS
3
Apr 4
Computing uncertainty of S21dB, from measured 2-port S-parameters
Hi, your conversion looks right, see https://www.wolframalpha.com/input?i=D%5B20*log10%5Bx%5D%5D
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Computing uncertainty of S21dB, from measured 2-port S-parameters
Hi, your conversion looks right, see https://www.wolframalpha.com/input?i=D%5B20*log10%5Bx%5D%5D
Apr 4
Simon Gut
,
Michael Wollensack METAS
2
Mar 22
Characterize Rect. Waveguide to Coax Adapter with 1-port De-embedding
Hi, 1. Perform Waveguide calibration e_waveguide with Zr = 1 Ohm 2. Perform coaxial calibration
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Characterize Rect. Waveguide to Coax Adapter with 1-port De-embedding
Hi, 1. Perform Waveguide calibration e_waveguide with Zr = 1 Ohm 2. Perform coaxial calibration
Mar 22
cbac...@emc-testcenter.com
, …
Michael Wollensack METAS
4
Feb 14
VNA Noise on ZVRE after update to V2.5
Hi Cecile, I fixed a bug in HP8751A and Rohde_Schwarz_ZVC_M_R drivers (Source1PowerSlope property
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VNA Noise on ZVRE after update to V2.5
Hi Cecile, I fixed a bug in HP8751A and Rohde_Schwarz_ZVC_M_R drivers (Source1PowerSlope property
Feb 14
cbac...@emc-testcenter.com
Feb 11
Reflection Measurement - MU Cable Stability - Transmission
Hi Michael, I'm wondering why the MU of my reflection (S11 or S22) measurements is shown that big
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Reflection Measurement - MU Cable Stability - Transmission
Hi Michael, I'm wondering why the MU of my reflection (S11 or S22) measurements is shown that big
Feb 11
handans...@gmail.com
,
Michael Wollensack METAS
4
Jan 6
ECU calibration with VNA Tools
Hi, the four different standards at each port do not refer to an short or open standard (like a
unread,
ECU calibration with VNA Tools
Hi, the four different standards at each port do not refer to an short or open standard (like a
Jan 6
cbac...@emc-testcenter.com
,
Michael Wollensack METAS
4
12/17/21
Script to automate plots
Hi, at the moment in the gset-file the norm is not saved and there is no workaround. The reason for
unread,
Script to automate plots
Hi, at the moment in the gset-file the norm is not saved and there is no workaround. The reason for
12/17/21
wickli...@gmail.com
,
Michael Wollensack METAS
10
11/30/21
Unable to set source settings within the VNA Settings window
Thanks for reporting. This will be fixed in the upcoming VNA Tools Release V2.5.2 (around February
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Unable to set source settings within the VNA Settings window
Thanks for reporting. This will be fixed in the upcoming VNA Tools Release V2.5.2 (around February
11/30/21
Patric Wickli
,
Michael Wollensack METAS
4
11/29/21
Q&A
Connecting a P5002A with VNA Tools
Just a quick update for anyone having problems due to the recent updates of keysight's software.
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Q&A
Connecting a P5002A with VNA Tools
Just a quick update for anyone having problems due to the recent updates of keysight's software.
11/29/21
Fabian Distler
,
Michael Wollensack METAS
6
11/25/21
VNA Tools 2.5: Power Sensor Measurement
Hi, yes you need a reference power sensor. Regards Michael On Thursday, November 25, 2021 at 3:39:46
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VNA Tools 2.5: Power Sensor Measurement
Hi, yes you need a reference power sensor. Regards Michael On Thursday, November 25, 2021 at 3:39:46
11/25/21
Md. Imtiaz Kamrul
, …
Michael Wollensack METAS
8
10/7/21
Find out Gamma for Multiline TRL
Hi, > Unfortunately, I received the error message below; > "Error using
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Find out Gamma for Multiline TRL
Hi, > Unfortunately, I received the error message below; > "Error using
10/7/21
Md. Imtiaz Kamrul
10/1/21
Problem with generate effective permittivity and reflection coefficient!!
Hi, I'm trying to solve the effective permittivity of my transmission line, but it's not
unread,
Problem with generate effective permittivity and reflection coefficient!!
Hi, I'm trying to solve the effective permittivity of my transmission line, but it's not
10/1/21
Md. Imtiaz Kamrul
9/25/21
What is Calibration Normalized Standard Deviation?
Good day everyone. Is the Normalized Standard Deviation only parameter for measuring the accuracy of
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What is Calibration Normalized Standard Deviation?
Good day everyone. Is the Normalized Standard Deviation only parameter for measuring the accuracy of
9/25/21
Okay T.
,
Juerg Ruefenacht
2
9/21/21
Ideal Load
Hi Okay, pleased find attached a partial copy of one of my presentations regarding VNA accuracy and
unread,
Ideal Load
Hi Okay, pleased find attached a partial copy of one of my presentations regarding VNA accuracy and
9/21/21