Re: Re[2]: 28.8 PCMCIA modem recommendation

[fox@FIRST.CS.NYU.EDU (David Fox)]

Scott Stratmoen writes:

 > For example have you ever asked yourself why there may be 50 modems
 > reviewed by Computer Shopper which use the SAME chip set but
 > have different performance? Basically the DAA for high speed QAM modems
 > must be very linear. Some companies get cheap and play with the reference
 > DAA design. But what is a reference design?
 > 
 > [... modem clone marketing plan deleted ...]  In other words, for the
 > most part, all these modems are basically the same! Brand loyalty
 > is amusing to watch....

Since this isn't a modem group I first need to ask what "the DAA for
high speed QAM modems" means.  Furthermore, if they are basically the
same why do they have different tested performance?  Am I missing the
point?

-david