[sdiy] Jupiter 6 filter resistor values
rob at emulatorarchive.com
rob at emulatorarchive.com
Mon Jun 14 22:43:24 CEST 2010
Hi Tom,
It is all figured out......
http://www.amsynths.co.uk/Filter_Bank2/AM8060/am8060.html
I will have the AM8060 out on EuroRack in a few weeks for a limited
edition IR3109 run, and a BA6110 version is on the CAD table now.
regards
Rob
www.amsynths.co.uk
Tom Wiltshire wrote:
> Hi all,
>
> I've been looking at the Jupiter 6 filter, an interesting dual 2-pole
> SVF design. It's based on Roland's IR3109 quad transconductance amp
> chip, but that needn't stop us, since there are other OTAs out there.
>
> However, many of the resistors in the circuit are part of resistor
> arrays for which only (apparently) unhelpful part numbers are available.
>
> Does anyone know what values the following are? Has anyone measured them?
>
> RA11A-D, RA14AB, RA14CD: RM0891
> RA12A-D: RM0690
> RA13A-D: RM0688
>
> The relevant schematic is page 33 of the service manual if you've got
> it, otherwise:
>
> http://www.electricdruid.com/images/Jupiter6Filter.png
>
> Thanks,
> Tom
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
More information about the Synth-diy
mailing list