[sdiy] SSM chip reissue

[rburnett at richieburnett.co.uk]

Presumably messing with the functionality of the chip means these new 
devices can't be used as replacements in old instruments though?  Or is 
there a way to make them revert back to the old-fashioned behaviour too?

-Richie,


On 2017-04-23 12:07, Colin Fraser wrote:
>> On 23 Apr 2017, at 11:08, Tom Wiltshire <tom at electricdruid.net>
>> wrote:
>> 
>> $1.6 at 1000s for the SSI2144 according to that press release.
>> 
>> http://www.soundsemiconductor.com/
>> 
>> http://www.soundsemiconductor.com/downloads/ssi2144datasheet.pdf
>> 
>> These are interesting times we live in indeed!!
>> 
>> I notice they haven't fixed the need for a reverse-log pot to
>> correct the resonance control response, and also the passband volume
>> drops with increasing resonance. SSM fixed that on their later chips
>> like the 2045 and 2047. Those would be the ones I'd really like to
>> see.
> 
> Dave told me the resonance control section on the datasheet is wrong,
> it has been redesigned.
> He didn’t specifically say that it didn’t need a log control, but
> I guess if they thought that was an issue, they may have fixed it.
> I’ll be controlling them digitally, so it doesn’t bother me either
> way.
> I got an autographed copy of the SSI2144 datasheet ;)
> 
> Cheers,
> Colin f
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