[sdiy] AM8060 - Jupiter 6 SVF

[Aaron Lanterman]

On Jun 6, 2010, at 7:16 AM, David G. Dixon wrote:

> On 6/5/10 12:05 PM, "Aaron Lanterman" <lanterma at ece.gatech.edu> wrote:
> 
>> I bet it wouldn't be too hard to replace the custom IR3109 Roland chips
>> with LM13700s and some usual expo converters... I might do it once I get
>> through the 10 unfinished projects I have going on... ;)
> 
> Why not just use SSM2164 (or V2164)?  It's like four OTAs with expo
> converters built right in!

If you're designing a filter from scratch the SSM2164 is very attractive; but it's not really a drop-in replacement for an OTA. The LM13700 is a good option if you're trying to get emulate the sound of a filter that was originally OTA-based and also make minimal changes to the original circuit.

- Aaron