Hello,
just one question on the Ardent compression mount connectors.
So far I knew only the Samtec Bulls eye that looks somehow similar, but
I'm not sure if it would fit the same usage model.
The second one seem to allow higher signal density, but I'm not sue if
the attachement is similar simple.
In case such connectors are needed, I anyhow need to check which one
does the job best..
Are there any more that would do the job for a characterization board ?
Hermann
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Am 02.03.2019 um 17:57 schrieb Lyndell Asbenson:
Thanks very nice job. Yes the SMAs are problematic I like page 116 been
there. The Quicklink looks interesting but the.
I was impressed over your collaboration, something engineers don't come by
easly. -Lyndell
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Ching-Chao Huang
Sent: Saturday, March 2, 2019 8:12 AM
To: talented.libran@xxxxxxxxx; 'SI-LIST' <si-list@xxxxxxxxxxxxx>
Subject: [SI-LIST] Re: PCB material extraction
Hi Robert,
See this DesignCon 2019 tutorial on DK/DF extraction:
http://ataitec.com/docs/DK_DF_extraction_tutorial_DesignCon_2019.pdf
Regards,
Ching-Chao Huang
www.ataitec.com
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of talented.libran@xxxxxxxxx
Sent: Saturday, March 2, 2019 7:20 AM
To: SI-LIST
Subject: [SI-LIST] PCB material extraction
Hello everyone,
I was trying to model a manufactured rev of a pcb especially at the 2.92mm
sma launch area. I took some cross-sections of our existing test card along
with x-ray scans to model accurately the via, antipad and stackup details.
I see good correlation until certain portion of the model (2.92mm connector
and 8mil drill via in TDR plot). In a 3d field solver I specify causal
frequency dependent djordjevic-sarkar model. But I cannot get a correlation
from the pcb portion (trace breakout) of the design.
Are there any steps or data which could be extracted from existing pcb to
get accurate numbers for dk and df values? Please share your comments. I
have access to 26.5 GHZ VNA, 18ps trise TDR, PLTS software in addition to 3D
field solver. I'm trying to get frequency and time domain correlation until
20GHZ where IL and RL cross.
Thanks
Robert
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