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  • Members: 82
  • Category: Electrical
  • Founded: Feb 1, 2002
  • Language: English
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Description

The purpose of this newsgroup is to provide a forum for general microwave measurement discussions. It deals with measurements of the microwave characteristics (e.g. S-parameters) of microwave and lightwave components and with the application of photonic techniques to microwave and mm-wave measurements, moreover it focuses on the metrology and measurement techniques for characterizing the broadband electrical properties of materials.

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Re: TRL self-calibration algorithm
Hello Igor, In MultiCal and StatistiCAL you put in an estimate for the length of the fixture. The programs use this estimate at the lowest frequency to resolve
Posted - Wed Jul 30, 2008 9:13 pm
 Dylan Williams
dylanmtt
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Re: TRL self-calibration algorithm
Actually knowing the type of the reflect standard corrects the S22 phase. Igor ... Dylan
Posted - Wed Jul 30, 2008 9:11 pm
 igorlinetsky
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Re: TRL self-calibration algorithm
Thank you Dylan When S21=S12 there is a 180deg ambiguity in the answer because of the square root function. Similarly, there is a square root to solve for S22
Posted - Wed Jul 30, 2008 5:29 pm
 igorlinetsky
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Re: TRL self-calibration algorithm
Sorry Igor, When de-embedding adapters you can use reciprocity (S21=S12) to solve this problem. Both MultiCal and StatistiCAL allow you to solve for adapter
Posted - Wed Jul 23, 2008 2:49 am
 Dylan Williams
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Re: TRL self-calibration algorithm
Hello Dylan Looks like you replied to my message but the text did not show? Regards Igor
Posted - Tue Jul 22, 2008 9:59 pm
 igorlinetsky
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