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Results tagged with optical-fibre
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user 96810
A flexible, transparent, fine fibre made of extruded silica to function as a wave guide to transmitting signals through light
4
votes
Why do we have a limited bandwidth in electronics?
The biggest physical effect that that hampers frequency is usually capacitance. On a PCB pico farads exist between planes, or in wires there is a small amount of capacitance. This coupled with resista …
- 88.8k
3
votes
Accepted
A few questions about the application of ethernet controller and PHY chip and SFP module
The problem is many micro-controllers don't have transceivers built in, which require impedance control (and most likely add to the cost of IC development). The other problem is clocking, which low sp …
- 88.8k
2
votes
How to make affordable DIY low-res absolute rotatory optical encoders with fibers?
It's actually not hard to do, With the AEDR encoders from avago. I printed out an encoder on a clear sheet using a laser jet with a high DPI (needs to be over 1200, but this depends on your linewidth) …
- 88.8k