I am interested in this discussion. And new standards and techniques are 
essential to realistic design on high frequency boards via stripline and or
micro-stripline.

Henry R. Linneweh
Sr. PCB Designer


On Wed, 8 May 1996, Fred Paul wrote:

> I am also interested in this discussion.  Why would this be excluded from the Net?
> 
> Fred J. Paul, Sr. Process Engineer
> PCB Operations, FLUKE CORPORATION
> direct:  206 356-5734  fax:  206 356-6070
> [log in to unmask]	
> ************************************************************************
> 
> On Wed, 8 May 1996 09:10:21 -0700 Ken Barrett wrote:
> 
> > From: Ken Barrett <[log in to unmask]>
> > Date: Wed, 8 May 1996 09:10:21 -0700
> > Subject: Re: PC Board Frequency Limits
> > To: [log in to unmask], [log in to unmask]
> > 
> > Actually this is the type of discussion I'd like to see on this forum.
> > Ken Barrett
> > Cisco Systems
> > San Jose CA.
> > [log in to unmask]
> > 
> > 
> > ----- Begin Included Message -----
> > 
> > >From [log in to unmask] Tue May  7 19:03:51 1996
> > Resent-Date: Tue, 7 May 1996 21:00:21 -0700
> > Resent-Sender: [log in to unmask]
> > Old-Return-Path: <[log in to unmask]>
> > From: [log in to unmask]
> > Date: Tue, 07 May 96 18:55:11 CST
> > Encoding: 16 Text
> > To: [log in to unmask], [log in to unmask]
> > Subject: PC Board Frequency Limits
> > Resent-Message-ID: <"U3ffi.0.8DH.W1_Zn"@ipc>
> > Resent-From: [log in to unmask]
> > X-Mailing-List: <[log in to unmask]> archive/latest/1686
> > X-Loop: [log in to unmask]
> > Resent-Sender: [log in to unmask]
> > Content-Length: 659
> > 
> >      
> >      I would like any responses to be off-line for the following 
> >      discussion.
> >      
> >      Please use the following email address:  [log in to unmask]
> >      
> >      I made a simple mathematical model of a stripline, 1 inch trace, on 
> >      FR-4, nothing out of the ordinary as far as dimensions and found to my 
> >      surprise a resonant freq at about 800 MHz with a 20 to 40 dB roll-off 
> >      above 800 MHz
> >      
> >      Could someone in the RF/Microwave world of nuts and bolts pc board 
> >      design tell me what I'm supposed to do at say 10 GHz with regular pc 
> >      board materials/construction/fabrication???
> >      
> >      Thanks in advance, Doug McKean
> > 
> > 
> > 
> > ----- End Included Message -----
> > 
> 
> 
>