|WikiProject Electronics||(Rated Start-class, Low-importance)|
|WikiProject Telecommunications||(Rated Start-class, Mid-importance)|
IMHO, the diagram on this page should be remade in PNG format rather than JPG; the image suffers from terrible JPG artifacting. --Jonathan Drain 19:53, 23 Nov 2004 (UTC)
- In my opinion, the image isn't useful at all. It's a "graph" of four numbers. I removed it. dbenbenn | talk 07:20, 30 Jan 2005 (UTC)
Factual inaccuracies and distortion.
The following was removed from the article:
- Pulse-amplitude modulation is widely used in baseband transmission of digital data, with non-baseband applications having been largely superseded by [[pulse-code modulation]], and, more recently, by [[pulse-position modulation]].
- PAM is not digital. PAM is analogi in level and discrete in time. PCM is discrete in level and discrete in time.
- While PCM has superceded PAM, PPM has not superceded PCM (PCM is still widely used).
- I just reverted myself because there are some sources incorrectly defining PAM as a PCM. Strictly speaking, PAM can have any real value in amplitude, while PCM is discrete. So-called N-level digital PAM is not PAM, though it is similar. Givin contradictions between some sources, this article, and reliable sources, it might take a bit of time to sort this out. Ra2007 (talk) 16:22, 17 December 2007 (UTC)
"A special technique"???
In the Use in Ethernet section, the sentence, "A special technique is used to reduce inter-symbol interference between the unshielded pairs." is pretty useless. Marking it with "Citation needed". Ideally, the a link to the actual technique, or at least the *name* of the technique, would be included. — Preceding unsigned comment added by Brandon.irwin (talk • contribs) 17:31, 20 June 2011 (UTC)