[sdiy] hz/v -convert to 1v/oct

[Scott Gravenhorst]

An analog VCO isn't usually a VCO at it's core.  Perhaps the CD4046 has a true VCO, I won't judge
that, but the cores I've seen are all Current Controlled Oscillators that respond in a linear
manner.  The expo circuit converts an input voltage (a logarithmic value really) to a linear
current controlled oscillator.  So no, linear pitch control is not a dying standard at all - it is
_the_ standard.  (c:  It is worthwhile looking at how an integrator works in an oscillator and
understanding why it has a linear ramp.

Michael E Caloroso <mec.forumreader at gmail.com> wrote:
>Not a dying standard.  V/hz designs have their limits.  There's a lot
>of things you can do with v/oct systems that can't be done with v/hz
>systems.
>
>MC
>
>On 5/9/17, BrightBoy <jdec at mindspring.com> wrote:
>>>What is the simplest way to convert from hz/v to 1v/oct?
>>
>> Korg MS-02 conversion box:
>>
>> http://www.polynominal.com/site/studio/gear/fx/korg_ms02/index.html
>>
>> http://www.polynominal.com/site/studio/gear/fx/korg_ms02/Korg%20MS-02%20Schematic.jpg
>>
>> Cheers,
>>
>> Jeff
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-- ScottG
________________________________________________________________________
-- Scott Gravenhorst
-- http://scott.joviansynth.com/
-- When the going gets tough, the tough use the command line.
-- Matt 21:22