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got complete idea on the s parameter application


Thank you Alfred and Martin.


Congradulations Gordon, You're the man!!!


Great, now put it out there in the "real world" on a super wi-fi tower, aerospace telemetry,

or in space where less than perfect things occur and I get it! Thanks all

check the latest on wwwdesignnews.com, the other UBM classroom this Monday.

I shall see you all there. Rod. R.


Gordonmx, your the winner of the "How do you get common mode" contest.

Please send me your work mailing address for a complimentary Starbucks gift card, al@wildrivertech.com


Good job in answering the question!

Thanks folks.


Make sure you visit Rohde Schwarz in booth 707 at DesignCon next week, and WRT booth #535.



Will anyone be at DesignCon next week? We already onw about Steve and Al. I will be moderating both panels.

I learned a great deal this week, thank you.

Thank you very much!


Thank you for a great presentation


Radiated/conducted interference and system noise can cause common mode problems.  Got my words twisted.


Al will be part of a panel called "Closing the loop: What to do when measurements and simulations don;t match." Al will speak about workflow. That's at 3:34 and will run for 75 minutes.

What if one of the input lines is wet, frozen, open, shunt, leaky, less than perfect...


The panel Steve refers to will be at 2:00.

Thursday I will be in the Chiphead Theater EMI/PI/SI they are all related get used to it, with five people far smarter than me.



Radiated/conducted and system noise interference can cause common mode problems.


Excellent, Thanks.

crosstalk, jitter, cabling/connectors etc.


Thanks Al and ALL for a Great Week, Stay Warm! 


Thanks Al! I really enjoyed the week.


Thanks Al and EETimes for a great week of very informative webinars.



Impedance mismatches and ground plane discontinuity can cause differential mode problems.


slide 10 diff. to comm.


How do you get diff to CM in the system?


magnetic coupling

ground bounce


radiated & conducted


Hello again,

(Carried over from yesterday)

So if I measure the null-to-null spacing in the S11 plot from a non-50 ohm transmission line and then calculate the delay using your formula given earlier:  delta f in GHz) = 1/(2*Td) is Td also the group delay?  Will a non-consistent group delay issue show up as variation in the measured S11 null-to-null spacing?


Remeber to post questions here

Hope I get a starbucjk coffee gift card

, if I don't get my morning coffee, i get very cranky and you don't want me to be cranky


Good Afternoon ALL from Boston



hello from Mishawaka where we have 1 degree F

Sure, the weather here comes in cold snaps,

-35 below to +35 degrees is common for the end

of March.


Good Morning from SoCal, slightly chilly this morning but still short sleeve weather.


wonoh, good to hear from you again.

Rodney can I go there where it's warmer than Boston?

Hello from California


It's 34 degrees in North Pole Alaska near Fairbanks

I just LOVE this global weather change. A Change from

-45 degrees for Christmas and Thanksgiving.



Good Morning from Boston, a toasty 9 degrees out there!




There is the other great UBM lecture series on

Design News Radio comming up on Monday

January 27th, 2014.


Good Morning from GA


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