Psuedo Noise Generator Schematic

Magnus Danielson cfmd at swipnet.se
Wed Sep 6 23:55:41 CEST 2000


From: Jim Patchell <patchell at silcom.com>
Subject: Re: Psuedo Noise Generator Schematic
Date: Wed, 06 Sep 2000 14:20:07 -0700

> > However, for n = 18 I have m = 7 in one book and m = 11 in the other, but these
> > are equalent according to the rule. Your schematic does not match either of
> > these. Actually, in other sources I have that m may be 3, 7, 9, 11 and 15.
> >
> 
>     Check you count on this one.  I still count m=11.  I counted it in both
> directions (but I am also not very good in the vision department).

Yes, on this one you are correct. This rises your score to 3 out of 4. ;)

> >
> > For n = 27 there is no valid polynom with only one tap, so we have to rely on
> > multiple taps, and there you have a valid one.
> >
> > For n = 36 I have m as 9, 11, 15, 21, 25 and 27 but 24 is not allowed.
> >
> 
>     This one I definately miscounted.

Ah, good. The we found a real bug then.

Cheers,
Magnus




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