From: Teddy Chou ([email protected])
Date: Thu Jan 06 2000 - 19:25:47 PST
From: Teddy Chou
Sent: Friday, January 07, 2000 11:00 AM
To: '[email protected]'
Subject: HFSS: questions about Spicelink/Ansoft tools
Recently, I have started to use the Spicelink / Ansoft
simulation tools( it resembles the HFSS/Ansoft, but only the
quasi-TEM waves guided by transmission lines are
considered ). I found some problems when using the
"REDUCE MATRIX" item in Maxwell 3D Extractor. I needed to
get some characteristics of microstrip lines. However, when I
assigned the ground plane to the "return path" or "ground"
( part of the return path ), the inductance would increase as
the size of ground plane increases. Even when the ratio of
the width of ground plane and the width of a trace is over 100,
it never got a stable value. For avoiding this phenomenon, I
tried to decrease the area of the I_sink and I_source surface
in the ground plane, it still got the resembling results. Who can
tell me how to assign the reasonable size of the ground plane
for microstrip lines.
Signal Integrity Engineer,
VIA Technologies, Inc. Taipei, Taiwan, ROC
TEL : 886-2-22185452 ext : 6046
Very Innovative Architecture
**** To unsubscribe from si-list: send e-mail to [email protected] In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.
si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
This archive was generated by hypermail 2b29 : Thu Apr 20 2000 - 11:34:29 PDT