[SI-LIST] Re: SMA connector Insertion Loss
- From: Heyfitch <heyfitch@xxxxxxxx>
- To: Scott McMorrow <scott@xxxxxxxxxxxxx>
- Date: Mon, 20 Jul 2009 20:11:05 -0500
Scott,
what is the point of giving a frequency dependent expression and saying that
it is true at just one frequency point? Should one assume that it holds true
within a certain range around the tested frequency? How wide is the range
then? Have I missed something here?
Thank you.
Vadim
On Mon, Jul 20, 2009 at 12:55 PM, Scott McMorrow <scott@xxxxxxxxxxxxx>wrote:
> Mo
>
> It Depends. Here's a Johnson spec for various types of SMA connectors
>
> Insertion Loss: (dB maximum)
> Straight flexible cable connectors
> and adapters ...................... 0.06 Sqrt(f )(GHz), tested at 6 GHz
> Right angle flexible cable
> connectors ......................... 0.15 Sqrt(f ) (GHz), tested at 6 GHz
> Straight semi-rigid cable
> connectors with contact ..... 0.03 Sqrt(f ) (GHz), tested at 10 GHz
> Right angle semi-rigid cable
> connectors ......................... 0.05 Sqrt(f )(GHz), tested at 10 GHz
> Straight semi-rigid cable
> connectors w/o contact ...... 0.03 Sqrt(f ) (GHz), tested at 16 GHz
> Straight low loss flexible
> cable connectors ................ 0.06 Sqrt(f ) (GHz), tested at 1 GHz
> Right Angle low loss flexible
> cable connectors ................ 0.15 Sqrt(f ) (GHz), tested at 1 GHz
>
> --
> Scott McMorrow
> Teraspeed Consulting Group LLC
> 121 North River Drive
> Narragansett, RI 02882
> (401) 284-1827 Business
> (401) 284-1840 Fax
>
> http://www.teraspeed.com
>
> Teraspeed® is the registered service mark of
> Teraspeed Consulting Group LLC
>
>
> Mohamad Haghtalab wrote:
> > Hi all
> >
> > what's the typical value of insertion loss of a typical SMA connector?
> >
> > thanks,Regards
> >
> >
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