Electronics > Projects, Designs, and Technical Stuff

Looking for (Optically) isolated data transmission at 500+MBits over ~60cm

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Ysjoelfir:
That would be possible in theory, but the problems are:
- Size!
- We would need to re-engineer the whole communication system
- we would need several cards, as the device can have several channels, each needing its own (two) communication interfaces
- I guess that would be pretty expensive as well.

capt bullshot:
Did you read this paper:
https://www.cleverscope.com/files/The%20Cleverscope%20CS448%20Development%20Journey.pdf
?

Ysjoelfir:
I have not but I will read it now as it looks very promissing :)

Marco:

--- Quote from: capt bullshot on August 23, 2019, 11:38:09 am ---Did you read this paper:
https://www.cleverscope.com/files/The%20Cleverscope%20CS448%20Development%20Journey.pdf
?

--- End quote ---

Those Murata FOT's look nice, but they seem to have been memory holed. A couple news releases is all that's on the web. Too good to be allowed to be sold for appropriate prices to plebians? When you look at normal 10+ gbps stuff they want to absolutely rape your wallet, I don't think cleverscope paid those kinds of prices.

jhpadjustable:
If they don't like inductive isolation, how about capacitive? There are digital isolator ICs such as the Si86xx series, with up to 6 channels across up to 5kV in a wide SOIC-16, but they're too slow unless you have a bit of room on the board to (de)mux the data stream over multiple lanes.

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