[sdiy] XOR as 'digital' ring modulator

[Harry Bissell]

Of course the x-or must be thought of as being +/-2.5V, not 0-5V but
this can be easily achieved. For autio use a blocking cap is sufficient...

H^) harry



----- Original Message -----
From: Colin f <colin at colinfraser.com>
To: 'David G. Dixon' <dixon at interchange.ubc.ca>, 'Synth DIY' <synth-diy at dropmix.xs4all.nl>
Sent: Tue, 09 Nov 2010 15:45:46 -0500 (EST)
Subject: Re: [sdiy] XOR as 'digital' ring modulator

 
> If the modulating wave is a square wave, then only the 
> polarity is being modulated, not the amplitude.

You can't modulate the polarity without modulating the amplitude.
The polarity is the sign of the amplitude.
 
Cheers,
Colin f


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-- 
Harry Bissell & Nora Abdullah 4eva