Baseband Vs Broadband

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Can anyone tell me the difference between baseband and broadband please?

 

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There you go

http://en.wikipedia.org/wiki/Baseband

http://en.wikipedia.org/wiki/Broadband

 

So let me get this straight. A baseband signal is a single frequency, whereas a broadband signal uses multiple frequencies. Is that right?

 

Not really. Ethernet is regarded as baseband (100Base-T - the Base in the name meaning baseband). But Ethernet is a single complex signal spread out over a lot of frequencies, from 0 up.

As one of those articles points out - the voice part of a telephone connection is baseband - and covers from 0 up to about 3.5kHz.

Harry.