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_hm
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Embedded coax in PCB
_hm   1/5/2014 11:08:51 AM
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When you have mutliple HSS, is it possible to get embedded coax in PCB. Are there technics available for this? Main reason is that, high speed signal is only part of all signals and there are many more signals which requires backplane.

 

Sanjib.A
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Re: Embedded coax in PCB
Sanjib.A   1/6/2014 11:06:00 AM
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What about the concept of using the optical PCB and interconnects for the high speed backplane? Not sure if there are any significant breakthrough made on the optical PCB technology.  

ChristophZ
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Re: Embedded coax in PCB
ChristophZ   1/9/2014 1:58:01 AM
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All I know is what this company says they can manufacture: www.variooptics.com

Sanjib.A
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Future low loss PCB di-electric material
Sanjib.A   1/6/2014 11:26:30 AM
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"The difference, however, is less than an order of magnitude."


Megatron6 is one of the future PCB dielectric material. Is it commercially deployed yet? How does the cost of Megatro6 compares to that of FR4?

Some time back I learned Megatron6 is only one in the list of several other low loss PCB dielectric material such as FX-2, I-speed (from Isola) etc. Is there a comparative chart available somewhere?

rick merritt
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Re: Future low loss PCB di-electric material
rick merritt   1/7/2014 2:08:35 PM
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Eric: I'd love to see at the February event the 2014 update of that "Most Importnat Slide"

I'd also love to hear your insights on the question of new materials and transports like Megtron-6 and optics.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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