RE: [SI-LIST] : SMA test connector PCB layout

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From: Larry Miller ([email protected])
Date: Wed Jan 03 2001 - 10:03:06 PST

All good whole wheat advice. Thanks, everyone!

Larry Miller

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Dan Swanson
Sent: Wednesday, January 03, 2001 9:31 AM
Cc: Si-List (E-mail)
Subject: RE: [SI-LIST] : SMA test connector PCB layout

Or mill out a bigger gap between the legs, which
we have done.

Dan

> -----Original Message-----
> From: William Devey [SMTP:[email protected]]
> Sent: Wednesday, January 03, 2001 11:54 AM
> To: Larry Miller
> Cc: Si-List (E-mail)
> Subject: Re: [SI-LIST] : SMA test connector PCB layout
>
>
> One more thought on SMA edge board connectors.........
>
> If your board is too thick, you might remove the two legs intended to
> connect to
> the bottom side of the board with a Dremmel (spelling?) tool and use only
> the
> two ground legs on the top side of the board.
>
> Regards,
>
> Bill DeVey
> IBM Staff (Linear) Systems Engineer
> 15450 SW Koll Parkway
> Beaverton, OR 97006
> Phone: 503-578-5728
> FAX: 503-578-5797
> Cell: 503-936-8226
> [email protected]
>
>
> "Larry Miller" <[email protected]>@silab.eng.sun.com on
> 01/03/2001 05:38:32 AM
>
> Please respond to "Larry Miller" <[email protected]>
>
> Sent by: [email protected]
>
>
> To: "Si-List \(E-mail\)" <[email protected]>
> cc:
> Subject: [SI-LIST] : SMA test connector PCB layout
>
>
>
> I need to make some measurements on PC boards up to 5 GHz using a network
> analyzer. In the past I didn't care that much because I was doing TDR
> measurements.
>
> Unfortunately, the boards I will be looking at are too thick to use the
> "SMA
> edge connector" trick.
>
> Does anyone have a pointer to a good PCB footprint that will not have
> impedance discontinuities. The connector I want to mount is the familiar
> center pin + 4 ground pins vertical SMA style.
>
> Thanks in advance for any help,
>
> Larry Miller
>
>
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