[SI-LIST] Re: Mictor Connectors
- From: "Chauhan, Prakash" <pchauhan@xxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Fri, 23 Jun 2006 12:04:30 -0400
Hi Kevin,
Are the mictor connectors for debug or are they used to extend
the bus to a mezzanine card. If it is for debug only, then you could
place these in the middle of the bus (although I would recommend Samtec
or Soft touch connectors for probing, as the mictors need ground holes
that are difficult to route through). If you are extending the bus, it
might be better to place these at the end (so you do not have stubs in
the middle of the bus). On the other hand, at 33 MHz you should not
have any issues if you keep your clocks matched and the length of the
bus short. =20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Antonellis
Sent: Friday, June 23, 2006 11:32 AM
To: khai77069@xxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Mictor Connectors
Hello Kevin,
FYI.... in **our** application, which I will admit may have been a
mis-match to the Mictor connector strengths, we experienced a lot of
crushed and twisted pins. The mictor connector seems relatively fragile
to me. Again I am willing to admit potential mi-use of the connector. I
am also willing to describe, OFFLINE our application so you can decide
for yourself. Also, in the same application, the Teradyne NeXLev
connector was excellent in both it's signal integrity and its tolerance
to mechanical abuse.
Regards,
Jim Antonellis
-
Jim Antonellis janton@xxxxxxxxxxxx
Broadcom Corp www.broadcom.com
Office: 978.689.1669
Cell: 978.618.4745
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=20
=20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Kevin K
Sent: Wednesday, June 21, 2006 8:08 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Mictor Connectors
Hi,
I'm working a design that has a 33MHz PCI bus. There are five PCI
devices including the processor on this PCI bus. In addition, I also
have two Mictor connectors on this bus. The PCI devices are daisy-chain
connected.
The question I have is where should I place the two Mictor connectors on
the PCB?
at the end of the bus? in the middle of the bus? or does it matter?
Thank you for your help.
Regards,
Kevin
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