[sdiy] Quad VCA design

[cheater00 .]

Self-destruction! And I thought this thread was going to end up boring ;-)

On Wed, May 15, 2013 at 6:30 PM, David G Dixon <dixon at mail.ubc.ca> wrote:
> I have used V2164 in virtually every module I've designed in the last three
> years, and it's brilliant.  It has its quirks (you will get very familiar
> with the fine print of the datasheet, especially if you try to do
> unconventional stuff with it), but it is a solid performer.  Just don't try
> to power it up backwards.  Unlike most opamps, it will self-destruct
> instantly (as would the SSM2164).
>
>
>> http://www.smallbearelec.com/servlet/Detail?no=737 - $3.50
>> singles // comes down quickly from there in multiples..
>>
>> On 15/05/2013 16:11, Terry Shultz wrote:
>> > Hi Damian,
>> >
>> > Any cost idea on small volume usage?
>> >
>> > Regards,
>> >
>> > Terry
>> >
>> > Sent from my iPad
>> >
>> > On May 15, 2013, at 7:15 AM, "cheater00 ."
>> <cheater00 at gmail.com> wrote:
>> >
>> >> Hi Terry,
>> >> people here really like the CoolAudio chips. The V2164 has
>> met with
>> >> great reception on the list and is a very good equivalent
>> to the SSM
>> >> 2164.
>> >>
>> >> Cheers,
>> >> Damian
>> >>
>> >> On Wed, May 15, 2013 at 2:39 PM, Nathanael King
>> >> <nate at paperproductsmusic.com> wrote:
>> >>> Not only does THAT have the 2180 line, but they also have
>> an ssm2164
>> >>> available in 2 vcas (2162) in a surface mount package.
>> >>>
>> http://www.thatcorp.com/2162_Dual_Pre-Trimmed_Blackmer_IC_Voltage-Co
>> >>> ntrolled_Amplifier.shtml
>> >>>
>> >>> Nate
>> >>>
>> >>> On Wed, May 15, 2013 at 8:33 AM, Terry Shultz
>> <thx1138 at earthlink.net> wrote:
>> >>>> Hi All,
>> >>>>
>> >>>> I have finally used the last of my SSM2020 devices on my
>> boards and
>> >>>> it is time to re-design the Quad VCA and Universal
>> Active filter modules.
>> >>>>
>> >>>> I was looking at the LM13600/LM13700 and THAT Corp. VCA devices.
>> >>>>
>> >>>> Any thoughts on those devices vs. other methods of
>> building a Solid
>> >>>> VCA design?
>> >>>>
>> >>>> I have not had to re-build these modules for over 25 years, so I
>> >>>> get to explore a whole new analog approach again.
>> >>>>
>> >>>>
>> >>>> I will not use the Grey Market SSM's if I can help it, but
>> >>>> Rochester Electronics seem to have SSMSSM 2014/ SSM2018,
>> SSM2122 devices.
>> >>>>
>> >>>> Any thoughts?
>> >>>>
>> >>>>
>> >>>> Terry Shultz
>> >>>> thx1138 at earthlink.net
>> >>>>
>> >>>>
>> >>>>
>> >>>> _______________________________________________
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>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Nate King
>> >>> Paper Products Music
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>> >
>> >
>>
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