Agree Adam !
But you forgot to mention how difficult is to project and built a high
output current, high frequency (MHz) switching power supply...
However, remember how looks the power amplifier output sinusoidal signal
supplied with either a good :-| or a poor :-( switching supply...
best regards,
Vasile

On Tue, 4 Jun 2002, M. Adam Davis wrote:

> A well designed SMPS should be ok.  You may want to look into the newer
> switching regulators that operate in MHz as the output will be easie to
> filter than those which operate in the kHz or hundreds of kHz.
>
> Also keep in mind (be accutely aware) that an amplifier has a huge peak
> current - your supply can be called on to supply 2-3 times the normal
> operating current (and more) for brief instants.  Make certian your
> supply can handle that - I suspect that's where most SMPS problems come
> from when dealing with amplifiers.
>
> -Adam
>
> Vasile Surducan wrote:
>
> >My friend,
> >I've just made a synchronisation between your last two mails and I have
> >a thought: never try to supply an analogic power amplifier from a
> >swithching power supply, you'll be very dissapointed...
> >
> >best regards, Vasile
> >
> >
> >On Tue, 4 Jun 2002, Tal Bejerano - AMC wrote:
> >
> >
> >
> >>Hi 2 All
> >>
> >>Are "Artificial Earth" can be made only if you build your switching PSU or
> >>it can be made with other methods?
> >>
> >>Regards
> >>
> >>Tal Bejerano
> >>AMC - ISRAEL
> >>
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