[sdiy] linear CV to log / antilog / inverse?

jeff brown guitaricon at comcast.net
Tue Sep 25 05:25:19 CEST 2007


Magnus Danielson has a linear voltage to expo voltage converter here:

http://home.swipnet.se/cfmd/synths/schematics/

scroll down to "V/oct to Hz/V converter"

-Jeff Brown


----- Original Message ----- 
From: "Dave Manley" <dlmanley at sonic.net>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, September 24, 2007 12:01 PM
Subject: Re: [sdiy] linear CV to log / antilog / inverse?


> There are a number of circuits in these app notes explaining linear->log 
> and linear->exponential (called anti-log in the app note) conversion:
> 
> http://www.national.com/an/AN/AN-30.pdf
> 
> http://www.national.com/an/AN/AN-311.pdf
> 
> -Dave
> 
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