[sdiy] Taylor series and sums and difference tones

[Aaron Lanterman]

On Jun 5, 2009, at 1:36 AM, Dave Manley wrote:

> On a related note, Grant Richter has commented that for the best  
> sounding multiplication (as in a balanced modulator), you want the  
> sine to be very pure, because any components that are not the  
> fundamental will result in, to use Aaron's terms, "all sorts of  
> junk".  Of course, it depends on how many dB down the stray  
> components are.  A sine from a self-oscillating filter is better  
> than any sine from a shaper for use in multiplication for this reason.

I remember Grant suggesting one that uses the weird properties of an  
incandescent light bulb. (I believe it was the Hewlett-Packard design.)

- Aaron