Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!accuvax.nwu.edu!nucsrl!telecom-request From: Norman Yarvin Newsgroups: comp.dcom.telecom Subject: Re: Baud per Hertz Message-ID: <8780@accuvax.nwu.edu> Date: 8 Jun 90 02:21:59 GMT Sender: news@accuvax.nwu.edu Reply-To: Norman Yarvin Organization: TELECOM Digest Lines: 13 Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 10, Issue 420, Message 5 of 13 In article <8731@accuvax.nwu.edu> Henry Troup writes: >I don't see a theoretical limit, not if you allow phase modulation. >For real phase discriminators and real lines there certainly are >limits, but in theory you could shift each half cycle by as fine an >increment as you could measure. That would expand the frequency range of your signal. Actually staying within a bandwidth limit is not so easy; a series of pieces of 2000 Hz tones do not make a 2000 Hz tone.