VCO tuning
mark scetta
n0nspaz at loa.com
Tue Jul 20 21:04:00 CEST 1999
i'm fairly new to electronics (i do have a tek 365 scope) and i would like
to calibrate my JP8, JP6 and prophet 600 analogs. i would love to get the
name of this book you are speaking about, or another book that would be more
appropriate for someone like me.
thanks
mark
-----Original Message-----
From: Tim Ressel <Tim_R1 at verifone.com>
To: synth-diy at mailhost.bpa.nl <synth-diy at mailhost.bpa.nl>; 'jbv'
<jbv.silences at wanadoo.fr>
Date: Monday, July 19, 1999 9:28 PM
Subject: RE: VCO tuning
>Hal Chamberlin's book has you tune the VCO for 16.3525 Hz for a 0V input. I
>don't think it really matters, as it is dependent on the VCO design. What I
did
>was settle on having an even voltage like 4 volts equal middle C. You can
pick
>whatever you like of course. The important part is having your slope set so
a 1V
>delta equals a 1 octave delta over the whole operating range.
>
>Tim Ressel -- Hardware DQ
>Hewlett-Packard
>Verifone Division
>916-630-2541
>tim_r1 at verifone.com
>
>
>
>> ----------
>> From: jbv[SMTP:jbv.silences at wanadoo.fr]
>> Sent: Monday, July 19, 1999 4:29 PM
>> To: synth-diy at mailhost.bpa.nl
>> Subject: VCO tuning
>>
>> Is there any "rule" for tuning a VCO with a 1V/oct input ?
>>
>> In several designs, I noticed that the VCO was supposed to produce a 15
>> Hz freq
>> when the CV input was 0 V... Is that a rule ?
>> Or is there a standard tuning for a CV input of, say, +1V ?
>>
>> jbv
>>
>
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