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 Forum index » DIY Hardware and Software » Thomas Henry designs
VCO-1 square wave much louder than the other waveforms?
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creekree



Joined: Mar 30, 2006
Posts: 192
Location: Morgenland Neukölln
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PostPosted: Wed Oct 28, 2009 3:59 am    Post subject: VCO-1 square wave much louder than the other waveforms? Reply with quote  Mark this post and the followings unread

hi all,

the title pretty much says it already.
the output of the square wave is much louder than the other two waveforms on my vco-1, which somewhat bothers me.
how can i fix it?
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Sound



Joined: Jun 06, 2006
Posts: 842

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PostPosted: Wed Oct 28, 2009 6:37 am    Post subject: Reply with quote  Mark this post and the followings unread

The pulse wave always will sound louder than the triangle and the sine waves, due that it have more harmonics and it is more dB RMS.

A 10V peak to peak square wave has more energy that a 10V peak to peak sine wave.

Do you have 10V peak to peak on the pulse output?
In any case check if you have correct values in R11, R45, R12 and R7. Check also R40 and R41.

Regards.
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