On 2.7.2002 11:50 Uhr, "Johannes Wolf" <mp2100_at_mail-gw.estec.esa.nl> wrote:
> The standard way to change the converters output voltage would be to change
> the switching frequency/pulsewidth.
But if the output amplitude is changing because e.g. the ferrite is operated
in a region where it has less efficiency, would mean wasting energy. If you
look on the measured waveform of the backlight
http://slsbd.psi.ch/~mmailand/Newton.html
one might conclude that there is no pulse width modulation but a simple sine
wave oscillator and thus frequency setting would be desirable.
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