[SI-LIST] PCB parastic extraction
- From: sunil bharadwaz <sunil_bharadwaz@xxxxxxxxx>
- To: SI LIST <si-list@xxxxxxxxxxxxx>
- Date: Sat, 5 Nov 2011 04:00:51 -0700 (PDT)
Hi All ,
I'am trying to extract the PCB parasitics for RF Layout in the process of
doing impedance matching for a critical circuitry.Freq :: 2- 6 Ghz.
I have few queries as listed below in this regards ..
For a loss'y transmission line the representation should be as RLGC.
However , most of these extraction tools seem to be extracting
merely L , C ( independent of frequency ) & R as frequency dependent
skin effect.Should the di-electric related losses be considered as
"G " ?
Are there tools which extract the PCB parasitics directly in terms of RLGC ?
I believe most of the PCB extraction tools are based on 2D field simulators.
Hence , the extraction does not make sense when there is a split plane .
Is the only option is to go for 3D EM simulators ?
If we go for 3D EM simulators , will they be able to extract from the PCB
gerbers directly ?
Can you pls throw some light on the above issues including the relevant tools ?
Thanks in Advance !!
Regards
Sunil
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