Yes, you should be very concerned. "More" and "less" do not mean "all" and "none". Steve On 8/4/2013 11:42 AM, Balaji G wrote: > Hi Experts, > We discussed a lot regarding path of return current before and this is > regarding the path of return current in a stripline trace. As far I learnt, > the return current will take the path of least resistance at low > frequencies and path of less inductance at high frequency and hence the > reason that return current travels in the plane directly under the signal’s > trace. My question is if we consider a signal travelling in a stripline > which is sandwiched between the ground and split power plane where the > signal to ground distance is 3.7mils and signal to split power plane > distance is 4.3mils, should we worry about the split power plane at high > frequency (say 3GHz) as the signal to ground distance is the path of least > inductance and all the return current for high frequency signal trace flows > in the ground plane causing no reflection/ EMI issues? Is my thinking > right? Can you please provide your thoughts on this? > > Regards, > > Balaji > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > > List forum is accessible at: > http://tech.groups.yahoo.com/group/si-list > > List archives are viewable at: > //www.freelists.org/archives/si-list > > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > > -- Steve Weir IPBLOX, LLC 1580 Grand Point Way MS 34689 Reno, NV 89523-9998 www.ipblox.com (775) 299-4236 Business (866) 675-4630 Toll-free (707) 780-1951 Fax All contents Copyright (c)2013 IPBLOX, LLC. All Rights Reserved. This e-mail may contain confidential material. If you are not the intended recipient, please destroy all records and notify the sender. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List forum is accessible at: http://tech.groups.yahoo.com/group/si-list List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu