- This topic has 6 replies, 5 voices, and was last updated 9 years, 2 months ago by Ajay Vyas.
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April 13, 2014 at 8:31 am #10291Damian MarekParticipant
Question:
I was trying to simulate the feedback methods in OptiSystem. I would like to know more about the Convert from Individual Signals and Convert to Individual Signals components and how individual sampled signals work.
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April 13, 2014 at 8:51 am #10292Damian MarekParticipant
Answer:
In OptiSystem a signal is generally expressed as a sampled signal, which is passed to a component in one chunk. To perform time domain calculations, like feedback, the sampled signal must be converted to individual samples, which consist only of a single signal value and its corresponding position in time. This allows OptiSystem to propagate the samples through different components at different times. The attached project file Electric_Phase_Locked_Loop.osd is an example of an electrical feedback system.
You can follow the tutorial on this example at:
https://optiwave.com/resources/applications-resources/optical-system-electrical-pll/
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April 15, 2014 at 10:03 am #10431Luis AcevedoParticipant
you are greedy. 1120 points. leave some for the rest
hahahahI was kidding
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November 30, 2014 at 3:07 pm #16294tessParticipant
Hi
What about optical fibers ?
Do they support individual samples ?
I have some problems simulating optical fiber in a feedback loop
The fiber doesn’t have any effect on individual samples-
December 3, 2014 at 9:08 am #16357Damian MarekParticipant
Hi Tess,
Unfortunately the optical fiber models do not support individual samples. Perhaps if you create a new topic and describe the system you would like to model with an article or diagram, I can help you find a way to simulate it.
Regards
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August 19, 2015 at 6:33 am #23840Raja masudParticipant
Hi Damian Marek,
I have 3 confusion with feedback loop, which i have upload in this link https://optiwave.com/forums/topic/plz-help-me-to-solve-3-questions/. plz help me to clear my 3 confusion.
Thanking you
Raja
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August 25, 2015 at 1:50 am #24061Ajay VyasParticipant
thanks to you for very important information & point
Sir I design a predistorter using one feedback system as same above you mentioned. I want integrated with radio over link is it possible > I attached the layout of predistorter.
Please check it
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