Re: [SI-LIST] : BGA Pkg Characterization

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From: Dima Smolyansky (dima@tdasystems.com)
Date: Wed May 16 2001 - 11:14:24 PDT


Gigatest does good stuff with VNA. Or you can do it with TDR, easily and
cheaply. Check out our appnote on package characterization at
http://www.tdasystems.com/apps_interconnect.htm#Packages. All what Gigatest
guys say about fixturing will apply to TDR work, too.

Thanks,

===================
Dima Smolyansky
TDA Systems, Inc.
11140 SW Barbur Blvd., Suite 100
Portland, OR 97219
(503) 246-2272
(503) 246-2282 (fax)
(503) 804-7171 (mobile)

If you want to keep up on recent TDR news, subscribe to our TDR Measurement
Newsletter at www.tdasystems.com!

----- Original Message -----
From: "Brian Seol" <BSeol@tessera.com>
To: "'Wesley Wu'" <wesley@redswitch.com>; "SI_LIST (E-mail)"
<si-list@silab.eng.sun.com>
Sent: Wednesday, May 16, 2001 9:57 AM
Subject: RE: [SI-LIST] : BGA Pkg Characterization

> Hi Wesley,
>
> I used GigaTest Labs (Sunnyvale, CA) to characterize BGA packages several
> years. Please visit www.gigatest.com to check their capability. Their
> application note titled "BGA Package Characterization" is especially
worthy
> of notice. Hope this helps.
>
> Brian Seol
>
> -----Original Message-----
> From: Wesley Wu [mailto:wesley@redswitch.com]
> Sent: Tuesday, May 15, 2001 8:23 PM
> To: SI_LIST (E-mail)
> Subject: [SI-LIST] : BGA Pkg Characterization
>
>
>
>
> Hi All,
>
> Has anybody done characterization on existing BGA packages recently? I
need
> to
> know if there is anyone who can do this for me and what is the estimated
> cost. The
> required measurements include characteristic impedance along traces, delay
> and
> gain on both directions of traces across the frequency band of 500M -
2GHz,
> ground
> bounce, cross talking, and ringing. I would like to obtain a data range
for
> all
> these to see if some particular BGA packages are suitable for my
> applications.
> Ideally I would like to add some equivalent to bond wire and IC input
> capacitance
> during test. Your help is greatly appreciated.
>
> Wesley Wu
> RedSwitch, Inc.
> (408)719-4748
>
>
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