[SI-LIST] Re: Seeking a Solution for connecting 2 PCBs
- From: Roger Weiss <rweiss@xxxxxxxxxxxxxxxx>
- To: steve weir <weirsi@xxxxxxxxxx>, Hirshtal Itzhak <ihirshtal@xxxxxxxxxx>
- Date: Wed, 16 Feb 2011 07:10:22 -0800
Hi Hirshtal,
You can connect the 2 boards directly to each other using a sheet of Paricon
elastomer. You design the boards with an array of matching pads on both boards,
align and clamp. You can also use coaxial structures but this will not be
necessary in this application. This provides a virtually invisible
interconnection (<0.3dB loss at 40 GHz)
Regards,
Roger
Roger E. Weiss, PhD
421 Currant Rd
Fall River, MA 02720
(508) 676 8988
(508) 676 8111 (fax)
(508) 889 7290 (mobile)
PLEASE VISIT THE FOLLOWING LITERATURE LINK FOR 'PRODUCT APPLICATION GUIDE
LINES' AND MORE: Paricon Literature
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of steve weir
Sent: Wednesday, February 16, 2011 2:44 AM
To: Hirshtal Itzhak
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Seeking a Solution for connecting 2 PCBs
Hirshtal, polyimide based flex can be made that closely matches the
characteristics of your flex-rigid board. Pyralux AP is one such product.
Steve.
Hirshtal Itzhak wrote:
> Hi All,
>
>
> We have a design which is composed of 2 connected boards - one is a
> flex-rigid and the other a rigid board. Most of the signals passing
> between the 2 boards are high-speed (<= 3.125GHz) diff signals.
>
>
>
> Right now the plan is to connect the 2 boards using high-speed
> connectors, but the connectors take a lot of space on the rigid board so
> we're looking for a solution which will not include a connector on the
> rigid side, and also will be reliable from both the PCB manufacturing
> perspective and SI perspective.
>
>
>
> Do you know of such a solution?
>
>
>
> Are there in the market any solutions based on solderable flat cables?
>
>
>
> The solution is to work on lengths of no more than 2" from the
> flex-rigid connector to the rigid solderings.
>
>
>
> Thanks
>
>
>
> Itzhak Hirshtal
>
>
>
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--
Steve Weir
IPBLOX, LLC
150 N. Center St. #211
Reno, NV 89501
www.ipblox.com
(775) 299-4236 Business
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