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ADS simulation help - RF Cafe Forums

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Below are all of the forum threads, including all the responses to the original posts.


Mushi
Post subject: ADS simulation Posted: Sun Apr 02, 2006 10:54 am

Lieutenant

Joined: Sun Apr 02, 2006 9:37 am
Posts: 1
Hello, I need help with ADS. I'm a beginner….

I want to simulate isolation between 2 cables. Each cable is represented as RLC circuit.
I'd like to inject sine wave into Port 1 and measure the signal at the adjacent cable.
How can I do it?
S-Parameter simulation? How?
Or maybe AC simulation, name both ports Vin and Vout and use an equation?

Thanks in advance. Andrei


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IR
Post subject: Posted: Mon Apr 03, 2006 2:09 pm

Site Admin


Joined: Mon Jun 27, 2005 2:02 pm
Posts: 373
Location: Germany
Hello Andrei,

To my understanding you can´t simulate isolation in the way you described. You will need to use a distributed model of coupled lines. There are several models available in ADS according ot the number of coupled lines and this is located under the TL library. To do that you have to model your cable as a distributed line, based on this model you can also define the distance between the lines and calculate the isolation (Coupling) between them. You can do it with linear (S-parameter) simulation and terminate to the unused ports.

Hope it helps.

_________________
Best regards,

- IR



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