[sdiy] Latvian CEM Synth IC clones

[paula at synth.net]

Chris,

  yup, I do :)

Paula

On 2018-03-13 11:20, chris wrote:
> Can QFN be hand-soldered without an oven?
> 
> Chris
> 
> 
> 
> On Tue, 13 Mar 2018 11:10:51 +0000 paula at synth.net wrote:
> 
>> Tom,
>> 
>>   For me it's a size thing. I mean consider, a VCO, VCF, VCA and ADSR 
>> in
>> a 4mm squared package?? I mean you've got a synth voice in such a 
>> small
>> space. Small space = lower cost and better thermal coupling if you 
>> have
>> multiple voices.
>> 
>> Paula
>> 
>> On 2018-03-13 10:22, Tom Bugs wrote:
>> > Can you expand a bit on that Paula?
>> > I've never really considered them...
>> > Is it mainly a size thing or am I missing something
>> > interesting/important?
>> >
>> >
>> > On 13/03/2018 10:16, paula at synth.net wrote:
>> >> QFNs are awesome.
>> >>
>> >> On 2018-03-13 09:00, Roman Sowa wrote:
>> >>> I've read somewhere that they don't do SOIC for anything greater than
>> >>> 16 pins, but can't remember exact explanation. In general it was in a
>> >>> spirit of "SOIC sucks". In every Alfa QFN chip they say about center
>> >>> pad greatly improving thermal stability.
>> >>>
>> >>> Roman
>> >>>
>> >>> W dniu 2018-03-12 o 22:34, Jay Schwichtenberg pisze:
>> >>>> Wonder why they didn't do the AS3320 as a SOIC. Maybe they didn't
>> >>>> have 18 pin SOIC packages and had QFN packages.
>> >>>>
>> >>>> Jay S.
>> >>>>
>> >>>> *From:*Synth-diy [mailto:synth-diy-bounces at synth-diy.org] *On Behalf
>> >>>> Of *cheater00 cheater00
>> >>>> *Sent:* Monday, March 12, 2018 12:27 PM
>> >>>> *To:* synth-diy mailing list
>> >>>> *Subject:* [sdiy] Latvian CEM Synth IC clones
>> >>>>
>> >>>> Of interest
>> >>>>
>> >>>> http://www.alfarzpp.lv/eng/sc/application.php
>> >>>>
>> >>>>
>> >>>>
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