[sdiy] More new Alfa chips - CEM3394

Robby Mai 72.6d.61 at gmail.com
Thu Apr 25 21:23:02 CEST 2019


Great - thanx!
Kindly Robby.

Am Do., 25. Apr. 2019 um 16:22 Uhr schrieb <ggg at fgi.lv>:

> Hi!
> I asked them to do so 😉
>
> Girts
>
> -----Original Message-----
> From: Robby Mai <72.6d.61 at gmail.com>
> Sent: ceturtdiena, 2019. gada 25. aprīlis 13:15
> To: Neil Johnson <neil.johnson71 at gmail.com>
> Cc: ggg at fgi.lv; *SYNTH DIY <synth-diy at synth-diy.org>
> Subject: Re: [sdiy] More new Alfa chips - CEM3394
>
> Hi all,
>
> anyone an idea if there is a AS3394E presoldered at a breakout PCB to get
> this thing into my 2,54mm world?
> Or is there a plan by Alfa Rpar to make a DIP version of AS3394E?
>
> Kindly Robby.
>
> Am Di., 9. Apr. 2019 um 23:22 Uhr schrieb Neil Johnson
> <neil.johnson71 at gmail.com>:
> >
> > Hiya Girts,
> >
> > Thanks for the links!
> >
> > All the best,
> > Neil
> >
> > On Tue, 9 Apr 2019 at 10:22, <ggg at fgi.lv> wrote:
> > >
> > > Dear colleagues, here you go!
> > >
> > >
> > >
> > > https://www.ericasynths.lv/shop/diy/diy-accessories/as3372e-signal-p
> > > rocessor-vc-mixer-vcf-vca/
> > >
> > >
> > >
> > > https://www.ericasynths.lv/shop/diy/diy-accessories/as3394e-synthesi
> > > zer-voice/
> > >
> > >
> > >
> > > Best regards,
> > >
> > >
> > >
> > > Girts, Erica Synths
> > >
> > >
> > >
> > >
> > >
> > > From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of
> > > Walker Shurlds
> > > Sent: svētdiena, 2019. gada 7. aprīlis 03:28
> > > To: *SYNTH DIY <synth-diy at synth-diy.org>; Michael Zacherl
> > > <sdiy-mz01 at blauwurf.info>
> > > Subject: Re: [sdiy] More new Alfa chips - CEM3394
> > >
> > >
> > >
> > > Unless I’m missing something there isn’t even enough information...
> that’s 1% typical, 3% max for ... what? 1V 1kHz? 100mV 500Hz? And shouldn’t
> the distortion vary by the control voltage?
> > >
> > >
> > > ~Walker
> > >
> > > On Apr 6, 2019, 19:06 -0500, Michael Zacherl <sdiy-mz01 at blauwurf.info>,
> wrote:
> > >
> > >
> > >
> > >
> > >
> > > On 6 Apr 2019, at 20:21, David G Dixon <dixon at mail.ubc.ca> wrote:
> > >
> > > Oops, nevermind! I didn't see the crummy distortion specs before
> > > sending my message. I guess it is too good to be true.
> > >
> > >
> > >
> > > there’s hope that actual figures might be better and this numbers are
> honest conservative specs.
> > > not sure, if that’s likely.
> > > m.
> > >
> > >
> > > -----Original Message-----
> > > From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf
> > > Of David G Dixon
> > > Sent: Saturday, April 06, 2019 10:58 AM
> > > To: 'Tom Wiltshire'; 'Tom Bugs'
> > > Cc: '*SYNTH DIY'
> > > Subject: Re: [sdiy] More new Alfa chips - CEM3394
> > >
> > > Tom said:
> > >
> > > **AS3364: This is a linear-control version of the AS2164 Given the
> > > number of times the Gallo-Irwin circuit gets used to make a linear
> > > VCA out of the 2164, this is an excellent idea. Now you get four of
> > > them on one chip (instead of two linearised VCAs per 2164) without
> > > needing the extra op-amps. Fantastic idea. Having the option of
> > > linear or log control by choosing the chip you need is great.**
> > >
> > > I'm excited about this. I just wonder a) how well it shuts off at 0V
> > > CV, and b) whether it gets noticeably warm when all the VCAs are off
> > > (which the Irwin circuits will do if you don't add a current limiting
> resistor).
> > >
> > >
> > >
> > >
> > > _______________________________________________
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> > > Synth-diy at synth-diy.org
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> > >
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> >
> >
> >
> > --
> > http://www.njohnson.co.uk
> >
> > _______________________________________________
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>
>
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