[sdiy] Expo converters, lin log etc.

[chopin_o]

-----Original Message-----
From: owner-synth-diy at dropmix.xs4all.nl
[mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of Paul Perry
Sent: Thursday, February 01, 2007 12:55 AM
To: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] Expo converters, lin log etc.

>I'd be interested to hear from the analog ASIC 
>guys on this!

Hi,
I build the synthesizer exactly on this principle. 
I.e., the structure of it next:  interface (key matrix or MIDI) ->
mathematical decoder lin-expo (AVR based)-> DAC-> CV-->***--> lin VCO.
AVR and DAC - inexpensive chips.
I receive necessary 5 octaves with good tracking and stability.
Igor D. Russia