Questions tagged [eye-diagram]
The eye-diagram tag has no usage guidance.
12
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Display port eye diagram evaluation
I was testing my display port diagram, all 4 lines.
The first three look good, the 4th line looks like it has only one signal (not differential.)
My question:
Is the 4th line okey to be like this. (...
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How can I analyze HighSpeed traces what on Proteus project file?
I designed a few PCB on Proteus what includes High-Speed signal traces(USB, Displayport, GigaEthernet etc.). I want to analyze that High-Speed Traces. I expect see some values like eye diagrams, ...
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4
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Why do we need an eye diagram?
There are some protocols with a dedicated line for clocking, and there are some protocols without a dedicated line for clocking. The last ones need a synchronization sequence which regularly zeroes ...
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3
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How are patterns for eye diagrams sliced?
I am reading articles about eye diagrams (for example, Anatomy of an Eye Diagram.) Everywhere in the description of the diagram formation method they talk about multiple overlay of patterns, about 001,...
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USB3.0 Differential Pair Eye Diagram - Transmitter Issues
Used the SI Power Aware analysis on the DP/DM signals for this simulation:
I'm having more issues on my Tx rather than the Rx. I do understand the Rx eye diagram but I'm struggling with the wild ...
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1
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Eye diagram testing setup
I have a SerDes communication that I am trying to perform the eye diagram to. I have an FPGA with generic IO's set up as LVDS SerDes and I will run them down to 300 MHz instead of my target frequency ...
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321
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Issue with Eye Diagram in ADS
I am simulating eye diagram in ADS using the below setup
The schematic is drawn following the ADS manual
After simulating, I tried to plot the eye diagram using Density
This is what I get
but it is ...
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1
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3k
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Measuring Ethernet Waveform on a scope
I measured the following waveform on a scope. It is a 100MBps Ethernet signal and I am measuring the TX+ and Tx- signals between the magnetics and RJ45 connector.
I see what looks like a double ...
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2
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How to diagnose eye diagram slope on physical impedance problems?
When looking at the eye diagram as shown bellow, if we have high rise time which is cause by RC properties, what can we say about the impedance? What could cause bad rise time?
Thanks.
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1
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RS485 Eye diagram - does it look good?
I got a new diff probe, I am trying it out on RS485. I'm triggering on the rising edge. The RS485 is running at 25Mhz.
Does the eye diagram look good?
Could I double the speed (50MHz) and be ok? (...
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2
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997
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What does it mean if eye diagram voltage (0 and 1 level) goes negative?
I have created a differential channel and was testing the channel with simple testbench to check the eye diagram. Now I know the channel performance is very bad (It of several PCB transmission lines, ...
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Specification for Eye Mask Creation?
I want to create an eye mask which I can apply at the Rx eye diagram up to which I can quantify the quality of my signal at the Rx. Now my question is what are the specifications to determine eye mask ...