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HI, I Am a New Comer. On Wafer Calibration Question - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


J.J. Wang
Post subject: HI, I Am a New Comer. On Wafer Calibration Question
Unread postPosted: Fri Apr 15, 2005 2:53 am

Hi, Everyone,
I am a new comer here. Recently I have been doing research of microstrip line and CPW line. Since I keep testing the my device, the calibration kit for network analyzer was used up pretty quickly.

I am wondering if there is a way to put the calibration lines on my wafer? Does anyone have the samiliar experience like me?

Thanks.
J.J.


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Guest
Post subject:
Unread postPosted: Fri Apr 15, 2005 9:53 am

You can put calibration lines on wafer. But most people use a a TRL calibration kit which is G-S-G ( Ground signal ground) 0n alumina, or you can make up your own alumina cal kit. All you are doing is calibrating to probe tips , so it does not matter what you use. Most people do not use the wafer because of the expense, why waste money on transmission line when you can place additional circuits on the wafer. I would make it on alumina, much cheaper. One more thing, when you design your circuit, make sure you have probe points designed in which are compatible with the probes you are using. A good book is written by Scott A. Wartenberg, "RF Measurements of Die and Packages". It is published by Artech House, ISBN 1-58053-273-x. You can get it at Amazon.





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