[RFI] DSL Filter Update
ingraham.ma.ultranet at rcn.com
Sat Mar 7 15:41:29 PST 2009
>... But even if the wrong source/load impedance is used the shape of the
> passband/stopband will not change - only the overall attenuation.
The source/load impedance do indeed affect the shape. In the vicinity of
cutoff it changes the Q and you can get peaking or very gradual rolloff with
the wrong impedance. And the stopband attenuation could be way different.
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