[sdiy] Looking for a certain circuit for generating 3D vectors on an oscilloscope

[Jean Bender]

Thanks a lot!
Happy too to get it again !
Beat
J.

Le 4 avr. 2017 10:06, "Tom Bugs" <admin at bugbrand.co.uk> a écrit :

> Popular Electronics "The Oscilloscope Graphic Artist"::
>
> https://www.muffwiggler.com/forum/viewtopic.php?t=136469
>
>
> On 04/04/2017 08:49, Ove Ridé wrote:
>
>> I once saw a schematic for a circuit that allowed you to create 3D
>> looking vector shapes on an oscilloscope in XY mode. It was described
>> in an article from, probably, the '70s. It had controls for level and
>> "harmonic" of oscillators labelled A, B, C, D, and some internal
>> routing of those. (Really, internal selection of whether to use the
>> triangle or square output from each oscillator.) I went as far as
>> making a replica of said circuit in Reaktor, which works pretty
>> nicely. BUT I have managed to misplace the files of the original
>> schematic, as well forget the name of this circuit. Does this ring a
>> bell to anyone? I'm currently looking into building the analogue real
>> deal.
>>
>>
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