Please keep us informed..
73
Gérard
mdgolfbum a écrit :
>This will be my first attempt using the DDS chips in my "own"
>design. Obviously I'm borrowing from everywhere I can. From what I
>understand the 9958, 9959 are better even with their 10bit vs 14bit
>DACs. I'm going on faith...
>
>BTW, take note of the release date of the datasheet. I was fooled by
>looking only at the rev level. The 9958, 9959 are from late 2005 vs
>2003 or so for some of the other chips.
>
>As far as soldering goes, I don't think AD will go backwards to fine
>pitch leads so it looks like learning to solder the LFCSP is the
>only way to stay up with the latest and greatest.
>
>The conductor does wrap around the side a bit. My first attempt will
>be to do the soldering pin by pin to that area. If necessary I'll
>try the paste and oven approach. I've got an oven I bought just for
>SMD work but haven't yet tried it.
>
>It's only money...
>
>73
>
>jim ab3cv
>
>--- In [email protected], [EMAIL PROTECTED] wrote:
>
>
>>Looks like the AD9951 part is gaining in popularity in a dual
>>configuration and I was wondering why the AD9859 part couldn't be
>>
>>
>used in
>
>
>>a dual configuration ? Does it not have the same lower spur
>>
>>
>level ?, it's
>
>
>>a 10bit DAC, cheaper, etc. I would also think the AD9958 dual part
>>
>>
>offers
>
>
>>too many package problems (for me anyway) with it's LFCSP vs the
>>
>>
>other
>
>
>>TQFP. Since my applications are digital and I look for the high
>>
>>
>speed
>
>
>>comparators like on the AD9952, what's a good external comparator
>>
>>
>to use
>
>
>>?
>>
>>73 Kees K5BCQ
>>
>>
>>
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>Yahoo! Groups Links
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>
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