[SI-LIST] Re: Dielcetric losses
- From: Scott McMorrow <scott@xxxxxxxxxxxxx>
- To: dmarc-noreply@xxxxxxxxxxxxx
- Date: Sat, 3 May 2014 12:30:29 -0400
Lower Loss = higher Q circuits. If you don't need low loss, or are not
designing high-Q filters, then FR4 works just fine for RF.
On Sat, May 3, 2014 at 12:15 PM, sunil bharadwaz <
dmarc-noreply@xxxxxxxxxxxxx> wrote:
> Hi Gurus ,
> The dielectric losses (Tandelta ) for Rogers are less than Fr4 .Apart
> from this , is there any other reason
> for Rogers being preferred at higher frequencies compared to Fr4 ?If the
> RF board size is small , say about
> 25 mm X 25 mm ( now since the trace lengths are very small ) , does
> Rogers still have any decisive advantage
> over Fr4 @ 4 - 6 Ghz ?
>
> The way i would like to look at it is - Since the RF trace lengths are
> very small , the dielectric losses would
> not matter much .
>
> Appreciate your views on this . Thanks in Advance .
>
> Regards
> Sunil . Bh
>
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--
Scott McMorrow
Teraspeed Consulting Group LLC
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Falmouth, ME 04105
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http://www.teraspeed.com
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