[SI-LIST] Re: test board

Giuseppe,

Try Inter-Continental Microwave. Here is their URL:
http://www.icmicrowave.com/default.htm

For small SMD components they have complete kits with calibration
standards. See the following URL:

http://www.icmicrowave.com/C_&_L_Meas_Sol/Part_Numbers_Series_and_Shunt.
htm

I prefer testing through where Z =3D B. That is in a pi network the
through impedance is equal to the B value of the ABCD matrix.

Best regards,

John



=20

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-----Original Message-----

From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Giuseppe DABUNDO
Sent: Thursday, May 25, 2006 10:55 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] test board

Hi all,
I'm searching information to plane a test board to perform TDR or VNA=20
measurement for package characterization.
I need of a custom calibration kit with short,load and open standards=20
placed on the board at the point where
the DUT is mounted.This allows for the removal of the effects of the SMA

and transmission line on the PCB .
In this manner I don't need to de-embedding the test fixture.
A possible link for reference is :
 *E. Godshalk, G. Sundberg "Characterization of Surface Mount Components

at Microwave Frequencies Using Wafer Probes,"
 53rd Automatic Radio Frequency Techniques Group Conference Digest,=20
Anaheim, California, June 1999, pp. 131- 138

*How can I get this or anothers references ?

Thanks in advance!!!

Giuseppe
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