|29th July 2007, 09:35 PM||#12|
Join Date: Nov 2004
Re: Double the Hifi?
a x V(t) = I x dI/(dt) , where
a = scale factor
V(t) = signal level as a function of time
I = current from PA ~ first magnetic field
dI/dt = derivative of the current ~ derivative of the second magnetic field
(dI/dt ~ induced voltage over almost constant resistance ~ induced curent ~ second magnetic field. )
I see this very hard to realize by analog predistorter since constant signal level cause more or less t^(1/2) shaped function for I. But digital... GNU Octave would be the easiest way to test such algorithms?
One other thing... To make system more effective one could generate more eddy currents by modulating signal with some sort of (triangle?) pulses above hearing frequency ~20kHz. Er....
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