[sdiy] simple saw or sine osc?

[Jerry Gray-Eskue]

<<what IS the best waveform choice for ring mod/sideband modulation stuff?>>

You know its a shame that these generate the linear sum and differences, it
would be so much cooler if there was a way to get an exponential sum and
difference so that the resulting frequencies would have a chance of being
semitones....

- Jerry

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl
[mailto:synth-diy-bounces at dropmix.xs4all.nl]On Behalf Of Dan Snazelle
Sent: Monday, September 07, 2009 8:07 PM
To: tim.parkhurst at gmail.com; synth-diy at dropmix.xs4all.nl
Subject: RE: [sdiy] simple saw or sine osc?



thanks

i had forgotten about your  lfo post

i had thought about the 40106 vco but in my tests i never got it to give a
saw

of course this begs the question..what IS the best waveform choice for ring
mod/sideband modulation stuff?

i have found that square and tri dont work too wel





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> Date: Mon, 7 Sep 2009 17:53:12 -0700
> Subject: Re: [sdiy] simple saw or sine osc?
> From: tim.parkhurst at gmail.com
> To: subjectivity at hotmail.com
> CC: synth-diy at dropmix.xs4all.nl
>
> Hi Dan,
>
> You might check out my 8K LFO design, with the TSW wave shaper (both a
> little more than half way down the page):
> http://electro-music.com/forum/viewtopic.php?t=32372
>
> You could also try:
> http://electro-music.com/forum/viewtopic.php?t=34940
>
> Or:
> http://electro-music.com/forum/viewtopic.php?t=28799
>
> Hopefully one of these will do the trick!
>
>
> Tim (does tricks, like Sit Up and Fetch) Servo
> --
> "Sire, the church of God is an anvil that has worn out many hammers."
> - H.L. Hastings
>
>
> On Mon, Sep 7, 2009 at 7:52 AM, Dan Snazelle wrote:
>>
>> hey there
>>
>> I need a one chip (maybe a tl072 or tl074 or 324) Sawtooth oscillator for
a project I am building where
>> I need a panel controllable Oscillator that can go into high enough
frequencies to do nice FM/ring mod kind of stuff.
>>
>> It doesn't need to be voltage controllable although I wouldn't mind if it
was.
>>
>> I think it needs to either be SINE or SAW because all the experiments I
did with a TRI or SQR just arent getting me the right kind of
>> "ring modulated/sidebands" sound I am after.  (which is too bad as I
couldnt just a 40106
>>
>>
>> thanks so much
>>
>>
>>

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