Baseband: Difference between revisions - Wikipedia

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== Various uses ==

=== Baseband bandwidth ===

A ''baseband [[bandwidth (signal processing)|bandwidth]]'' is equal to the highest frequency of a signal or system, or an upper bound on such frequencies,<ref>{{cite book | title = Information, Transmission, Modulation and Noise: A Unified Approach to Communication Systems | author = Mischa Schwartz | publisher = McGraw-Hill | year = 1970| url = https://books.google.com/books?id=-gkjAAAAMAAJ&q=baseband-bandwidth&dq=baseband-bandwidth&pgis=1 }}</ref> for example the upper [[cut-off frequency]] of a Lowpass filter. By contrast, passband bandwidth is the difference between a highest frequency and a nonzero lowest frequency.

=== Baseband channel ===