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HELP! Explanation of smith chart on CPW simulation (ADS)

EDAboard.com Forum Index -> RF, Microwave, Antennas and Optics -> HELP! Explanation of smith chart on CPW simulation (ADS)

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asmodeus

Joined: 16 Aug 2009
Posts: 11
Location: Bristol

19 Sep 2009 18:28 HELP! Explanation of smith chart on CPW simulation (ADS)

Hello guys. I tried to simulate a simple 50mm CPW line. The width of the conductor line is 140um and 64um the gaps (according to ADS linecalc to maintain 50Ohm impedance). I attcahed the smith chart results of simulations and the circuit. Can please someone explain me why it looks like that? Please I need a answer on that..... I used ADS software to simulate. From the other diagram the S12 seems to be low so i guess that the reflections are low, right?

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kspalla

Joined: 19 Aug 2008
Posts: 848
Helped: 140

23 Sep 2009 14:18 HELP! Explanation of smith chart on CPW simulation (ADS)

You are correct


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