Reply to "DCS Choke Tutorial (semi-analytical)"

Adrian!OGR Forum Member

Matt Makens posted:
So then why does the “MAGIC LIGHT BULB” improve DCS signal?

That’s going to be the next one probably. The bulb is a treatment of a problem with the channel response (ISI or inter symbol interference), but it’s a patch fix that doesn’t address the root problem of long unmatched lengths, and it actually does degrade the DCS voltage, just not as much as it resolves the ISI problem already present.

Overall the bulb is a bad way to go since you are loosing signal voltage on it.... and it’s much better to just clean up the channel so you don’t get isi effects in the first place. We just did this with the SD3R folks.

6/8/181:50 PM

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