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Em3rgent0rdr (talk | contribs) m hyperlink transformer so readers know what type of transfer this word refers to. Tags: Visual edit Mobile edit Mobile web edit Advanced mobile edit |
Em3rgent0rdr (talk | contribs) m hyperlink capacitive coupling Tags: Visual edit Mobile edit Mobile web edit Advanced mobile edit |
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* [[Differential amplifier]]s or receivers that respond only to voltage differences, e.g. those between the wires that constitute a pair. This method is particularly suited for [[instrumentation]] where signals are transmitted through DC bias.
* An inductor where a pair of signalling wires follow the same path through the inductor, e.g. in a [[bifilar winding]] configuration such as used in Ethernet magnetics.<ref>{{Cite web |url=http://pulseeng.com/products/datasheets/H325.pdf |title=Archived copy |access-date=2013-12-17 |archive-date=2016-03-04 |archive-url=https://web.archive.org/web/20160304000938/http://pulseeng.com/products/datasheets/H325.pdf |url-status=dead }}</ref> Useful for AC and DC signals, but will filter only higher frequency common-mode signals.
* A [[transformer]], which is useful for AC signals only, and will filter any form of common-mode noise, but may be used in combination with a bifilar wound coil to eliminate [[capacitive coupling]] of higher frequency common-mode signals across the transformer. Used in twisted pair Ethernet.<ref>{{Cite web |url=http://pulseeng.com/products/datasheets/H325.pdf |title=Archived copy |access-date=2013-12-17 |archive-date=2016-03-04 |archive-url=https://web.archive.org/web/20160304000938/http://pulseeng.com/products/datasheets/H325.pdf |url-status=dead }}</ref>
Common-mode filtering may also be used to prevent egress of noise for electromagnetic compatibility purposes.
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