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Testing elements in a fast communication channel
100GB/s Midterm PresentationMidterm Presentation
Spring 2010Spring 2010
Developers: Hanna Alam and Yousef BadranDevelopers: Hanna Alam and Yousef Badran
Project supervised by: Mr. Yossi HipshProject supervised by: Mr. Yossi Hipsh
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Abstract
• One of the major goals was to examine the current technologies and it’s boundaries .
• The road so far :
– Getting to know today's technology and look up parts that are 100GB/s compatible
– Studying the theoretical aspect of the Phase Lock Loop– Testing the PLL in an Evaluation Board– Measuring low frequency signals ranging 3~4GB/s– Summing up the results and recommending suitable technology
to upgrade to 100GB/s
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• Getting to know today's technology and look up parts that are 100GB/s compatible
We need to understand how the transmitter, receiver and medium work in 25GB/s transfer rate
What kind of components should we adapt for high frequency ?Transistors, Diodes, Mixers, Counters, Flip-Flops, Amplifiers ...
What are their properties and how to catalogue them ?
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•Studying the theoretical aspect of the Phase Lock Loop
What is a PLL ? PLL is a control system that generates a signal that has a fixed relation to the phase of a "reference" signal, it responds to both the frequency and the phase changes of the input signals
How it’s related to our project ?
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• Testing the PLL in an Evaluation Board
We’ll examine and work with ADF4350 PLL in particular
The goal is to use the PLL in a Eval-ADF4350EB1Z evaluation Board
Testing it in a free running mode and in locked mode
Different frequencies…
Relaxation period and stability for each frequency
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•Eva-Board Block Diagram
Eval-ADF4350EB1Z
ADF4350
USB connector
Software
Output connectors
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•Measuring low frequency signals
Measuring low frequency signals ranging 3~4 GHz
Generate signals using HP-8133A Pulse generator
Infiniium DSO80204B Oscilloscope to measure signals
Understanding the measuring methods to be able to chose the next generation measuring technology
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•Summing up the results and conclusions
Gathering useful 100GB/s compatible devices on one catalogue
Suggesting ideas to how would be possible to work in 100GHz frequency with a stable signal
Suggesting tools and ways to measure a signal in a high frequency of 100GHz
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TimelineWe’ve created a grant timeline in order to keep track of our work
Estimated timeline:
Examining today’s technology 18/03 to 08/04Looking up devices 08/04 to 20/04Learning about PLL 22/04 to 07/05ADF4350 Evaluation Board 13/05 to 08/06Measuring Signals 06/06 to 21/06
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Questions?
Thank you…