[sdiy] Schippman Music VCF Module (was Re: SSM2164 last time buys)

Fri Feb 25 17:01:01 CET 2011

Well it's not really an ic but a potted module.
There's been some discussion about it on muff's

http://www.muffwiggler.com/forum/viewtopic.php?t=28890&start=all&postdays=0&postorder=asc

On Fri, Feb 25, 2011 at 4:53 PM, Tom Wiltshire <tom at electricdruid.net> wrote:
> 100 Euro?
>
> HoHoHoHoHoHo!!! Meanwhile, back on planet Earth....
>
> T.
>
>
> On 25 Feb 2011, at 14:52, Dennis Verschoor wrote:
>
>> I think they are about 100 euro.
>>
>> On Fri, Feb 25, 2011 at 3:13 PM, Paul Maddox
>> <paul.Maddox.mail-list at synth.net> wrote:
>>> Thanks, Had a listen to some demos on youtube (oddly there's none of
>>> their own website), sounds quite nice. Would like to know pricing and
>>> availability.
>>>
>>> Paul
>>>
>>>
>>> On 25 February 2011 13:15, Dennis Verschoor <modular at gmail.com> wrote:
>>>> It's an improved version of what is the vcf2 in the ebbe und flut.
>>>>
>>>> On Fri, Feb 25, 2011 at 1:52 PM, Paul Maddox
>>>> <paul.Maddox.mail-list at synth.net> wrote:
>>>>> Nice,
>>>>>
>>>>>  I like it, would like to "hear" it though.
>>>>>
>>>>> Paul
>>>>>
>>>>> On 25 February 2011 12:32, Olivier Gillet <ol.gillet at gmail.com> wrote:
>>>>>> In the "potted module" category, has anyone seen this?
>>>>>> http://www.schippmann-music.com/downloads/VCF2_Datasheet_ENG.pdf
>>>>>>
>>>>>> On Fri, Feb 25, 2011 at 1:23 PM, Paul Maddox
>>>>>> <paul.Maddox.mail-list at synth.net> wrote:
>>>>>>> David,
>>>>>>>
>>>>>>>  he has indeed, and I have one that I'm working with for a personal
>>>>>>> project, however, they're not SMD, they're more like 0.6" wide body 16
>>>>>>> Pin chip sized devices. I couldn't use them for a kit/commercial
>>>>>>> product.
>>>>>>>
>>>>>>> Paul
>>>>>>>
>>>>>>>
>>>>>>> On 25 February 2011 07:58, David <dingebre at 3dphysics.net> wrote:
>>>>>>>> George Hearn has done this already. He built a 2040 clone, VCO, ADSR, and a
>>>>>>>> VCA already in very small and useable potted packages with surface mount
>>>>>>>> chips.
>>>>>>>>
>>>>>>>> http://sites.google.com/site/hearnmorley/
>>>>>>>>
>>>>>>>> David
>>>>>>>>
>>>>>>>> -- -----Original Message-----
>>>>>>>> -- From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>>>>>>>> -- bounces at dropmix.xs4all.nl] On Behalf Of Joe Grisso
>>>>>>>> -- Sent: Friday, February 25, 2011 12:23 AM
>>>>>>>> -- To: Paul Maddox
>>>>>>>> -- Cc: SynthDIY
>>>>>>>> -- Subject: Re: [sdiy] SSM2164 last time buys
>>>>>>>> --
>>>>>>>> -- Well, I know it's a sin to mention this in the SDIY forum (heheh), but
>>>>>>>> -- I think a SMT discrete VCA could fit into a very tiny space. However,
>>>>>>>> -- I don't know whether or not a good quality quad discrete VCA could fit
>>>>>>>> -- into the space that a DIP16 would allow. A simple gilbert multiplier
>>>>>>>> -- definitely would, but that's quite simple.
>>>>>>>> --
>>>>>>>> -- Best,
>>>>>>>> --
>>>>>>>> -- Joe
>>>>>>>> --
>>>>>>>> -- On Fri, Feb 25, 2011 at 12:18 AM, Paul Maddox
>>>>>>>> -- <paul.Maddox.mail-list at synth.net> wrote:
>>>>>>>> -- > The problem is, how much PCB space does his VCA take?
>>>>>>>> -- > I suspect that using the SSM2164 will give me 4 VCAs in less space
>>>>>>>> -- > than one discrete one. Plus the matching between them will be a lot
>>>>>>>> -- > tighter.
>>>>>>>> -- >
>>>>>>>> -- > I full appreciate the reason for discrete parts, but in products that
>>>>>>>> -- > you want to make small, or to keep costs down (Complexity/ease of
>>>>>>>> -- > setup/PCB size/parts) there's a trade off to be had.
>>>>>>>> -- >
>>>>>>>> -- > Paul
>>>>>>>> -- >
>>>>>>>> -- > On 25 February 2011 06:55, David <dingebre at 3dphysics.net> wrote:
>>>>>>>> -- >> It's interesting. In my interaction with Nyle in my Synthasystem
>>>>>>>> project, I
>>>>>>>> -- >> asked Nyle why his circuits were essentially all discrete except for a
>>>>>>>> few
>>>>>>>> -- >> op amps. His comment was he didn't want to be locked into a specialty
>>>>>>>> chip.
>>>>>>>> -- >> He wanted to be able to build his circuits 30 years down the road and
>>>>>>>> not
>>>>>>>> -- >> worry about a chip being obsolete. Here I am 35 years later and
>>>>>>>> building his
>>>>>>>> -- >> designs with no problem.
>>>>>>>> -- >>
>>>>>>>> -- >> The one exception is the MC1495 multiplier in his Ring Modulator.
>>>>>>>> Although
>>>>>>>> -- >> Arcade Game Chips has a stock of 30,000, or so he tells me :)
>>>>>>>> -- >>
>>>>>>>> -- >> David
>>>>>>>> -- >>
>>>>>>>> -- >> -- -----Original Message-----
>>>>>>>> -- >> -- From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>>>>>>>> -- >> -- bounces at dropmix.xs4all.nl] On Behalf Of megaohm
>>>>>>>> -- >> -- Sent: Thursday, February 24, 2011 11:13 PM
>>>>>>>> -- >> -- To: Tom Wiltshire
>>>>>>>> -- >> -- Cc: synthdiy diy
>>>>>>>> -- >> -- Subject: Re: [sdiy] SSM2164 last time buys
>>>>>>>> -- >> --
>>>>>>>> -- >> -- On Thu, Feb 24, 2011 at 9:04 AM, Tom Wiltshire
>>>>>>>> <TOM at electricdruid.net>
>>>>>>>> -- >> wrote:
>>>>>>>> -- >> -- >
>>>>>>>> -- >> -- > Analog Devices have listed SSM2164 as "Still In Production but
>>>>>>>> Not
>>>>>>>> -- >> Recommended for
>>>>>>>> -- >> -- New Designs", and have "last time buy" by the available product
>>>>>>>> models
>>>>>>>> -- >> (leaded devices
>>>>>>>> -- >> -- became obsolete some while ago).
>>>>>>>> -- >> -- >
>>>>>>>> -- >> --
>>>>>>>> -- >> -- That sucks. I was going to start experimenting with that IC more
>>>>>>>> -- >> seriously.
>>>>>>>> -- >> -- I hadn't before because I assumed it would be obsolete soon. I
>>>>>>>> didn't
>>>>>>>> -- >> -- think it would be this soon!!!
>>>>>>>> -- >> --
>>>>>>>> -- >> -- At least there is the 13700 still. With the right circuit I
>>>>>>>> actually
>>>>>>>> -- >> -- prefer these over any specialty IC for VCA circuits.
>>>>>>>> -- >> -- But...it's just a matter of time before these are gone, too.
>>>>>>>> -- >> -- Time to go discrete.
>>>>>>>> -- >> -- _______________________________________________
>>>>>>>> -- >> -- Synth-diy mailing list
>>>>>>>> -- >> -- Synth-diy at dropmix.xs4all.nl
>>>>>>>> -- >> -- http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>>>>>> -- >>
>>>>>>>> -- >> _______________________________________________
>>>>>>>> -- >> Synth-diy mailing list
>>>>>>>> -- >> Synth-diy at dropmix.xs4all.nl
>>>>>>>> -- >> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>>>>>> -- >>
>>>>>>>> -- > _______________________________________________
>>>>>>>> -- > Synth-diy mailing list
>>>>>>>> -- > Synth-diy at dropmix.xs4all.nl
>>>>>>>> -- > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>>>>>> -- >
>>>>>>>> --
>>>>>>>> --
>>>>>>>> --
>>>>>>>> -- --
>>>>>>>> -- Joe Grisso
>>>>>>>> -- Detachment 3, Ltd.
>>>>>>>> -- _______________________________________________
>>>>>>>> -- Synth-diy mailing list
>>>>>>>> -- Synth-diy at dropmix.xs4all.nl
>>>>>>>> -- http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>>>>>>
>>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Music at: http://mono-poly.blogspot.com/
>>>>
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>>
>>
>>
>> --
>> Music at: http://mono-poly.blogspot.com/
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>
>

-- 
Music at: http://mono-poly.blogspot.com/