I like your way of thinking. Don't forget to aticipate any audio
processing blocks in between your software and sound card output. There
are many processors and filters on the input ADC for example. I don't
believe there is much of anything on the output path, but I would check.
You will probably w
My original intentions were to create the sine to drive an AC motor. After
i started thinking about incorporating it with EMC, i thought that it might
be possible to get a higher frequency output than the parport, for running
pwm driven amps. I'm curious if anyone is familiar with coding involvin
On Tuesday 01 April 2008, Roland Jollivet wrote:
>I'm sure this will fit the bill
>
>http://www.national.com/pf/LM/LME49811.html
>
>
>Regards
>Roland
As a driver for the high power analog stages yes, but note that its forte is a
200 volt output swing, at only 9 milliamps of output, so to continue
On Tuesday 01 April 2008, Jon Elson wrote:
>Gene Heskett wrote:
>> There are no caps on a class D output, in fact the circuitry is isolated
>> from as much capacitance in the load as possible with an inductor.
>> Anything over 10 pfs or so just wastes switching power in the active parts
>> and can
I'm sure this will fit the bill
http://www.national.com/pf/LM/LME49811.html
Regards
Roland
On 01/04/2008, Jon Elson <[EMAIL PROTECTED]> wrote:
>
> Gene Heskett wrote:
> >
> > There are no caps on a class D output, in fact the circuitry is isolated
> from
> > as much capacitance in the load as p
Gene Heskett wrote:
>
> There are no caps on a class D output, in fact the circuitry is isolated from
> as much capacitance in the load as possible with an inductor. Anything over
> 10 pfs or so just wastes switching power in the active parts and can lead to
> the destruction of the parts.
>
[EMAIL PROTECTED] wrote:
> Jim,
>
> Most audio amplifiers have a large capacitor on the output to block DC
> current. DC is not good for speakers. Class D power amps use PWM based
> drivers that might work for driving motors. I am not sure but I don't
> think they have the caps on the output.
On Tuesday 01 April 2008, [EMAIL PROTECTED] wrote:
>Jim,
>
>Most audio amplifiers have a large capacitor on the output to block DC
>current. DC is not good for speakers. Class D power amps use PWM based
>drivers that might work for driving motors. I am not sure but I don't
>think they have the c
Jim,
Most audio amplifiers have a large capacitor on the output to block DC
current. DC is not good for speakers. Class D power amps use PWM based
drivers that might work for driving motors. I am not sure but I don't
think they have the caps on the output. You would have to look at the
specs f
I've been playing with using an audio amplifier with a tone generator to
make a low power VFD, and have been wondering what it would take to build a
HAL module to produce simple audio waveforms. After I got to thinking, it
seems that audio hardware could probably do a higher frequency PWM than the
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