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Author Topic: sine and triangle waveform calibration?  (Read 875 times)

bartleby

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sine and triangle waveform calibration?
« on: July 20, 2013, 11:01:03 am »
hi everyone, i'm new here. i picked up a minibrute yesterday. love the overall design, sawtooth animation and metallizer are really great additions to the otherwise classic layout, and the filter, well it certainly is different, etc etc.

but i immideately heard that something seems to be wrong with the (sub osc) sine and (main osc) triangle waveforms: there are some very noticeable, sawtooth-like hamonics there that don't belong in a sine/triangle.

so i hooked it up to my scope to see what's wrong, and sure enough both the sine and triangle show some strange dents (see pictures attached; sorry for blurry snapshots, but i think you can see what i'm talking about).

so my question is: can these two waveforms be calibrated for better sine and triangle shape somehow? or is this a quirk that i'll simply have to live with?

bartleby

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Re: sine and triangle waveform calibration?
« Reply #1 on: July 20, 2013, 11:51:36 am »
oops, seems like this has already been answered.
so, apparently this is normal behavior.
sorry for asking again. i did try search, but apparently not thoroughly enough.

beefinator

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Re: sine and triangle waveform calibration?
« Reply #2 on: July 20, 2013, 03:47:09 pm »
Just a bit of character to the synth.   ;)

LRZ

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Re: sine and triangle waveform calibration?
« Reply #3 on: July 20, 2013, 06:58:41 pm »
If I raise the metallizer just a wee bit there is a teeny tiny sweet spot where most of the harmonics disappear.
At least so it is on my brute.
Try it!

 

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