Dave Bernstein escribió:

>  I understand, Jose. My question is whether the "inner tones" -- the
>  ones between the ensemble's highest and lowest tones -- contribute to
>  the bandwidth if their magnitudes are identical to those of the
>  lowest and highest tones.

I expect little contribution from them to occupied bandwidth. The 
significant ones are the extreme tones.

>  Asked another way, is the bandwidth of 300 baud 1 khz 4-tone FSK
>  greater than the bandwidth of 300 baud 1 khz 2-tone FSK? (where the 1
>  khz is the frequency difference between the ensemble's highest and
>  lowest tones). Based on the superposition approach suggested by an
>  earlier poster, one would suspect that the inner tones make little
>  contribution to bandwidth unless the tones are spaced quite closely.

Without the backing of any simulations or calculations, this makes sense 
at first sight.

73,

Jose, CO2JA



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