Re: [Phys-l] Oscillator amplitude(Q) question.

[brian whatcott <betwys1@sbcglobal.net>]

On 5/6/2011 8:47 PM, Bernard Cleyet wrote:
> On 2011, May 06, , at 16:29, brian whatcott wrote:
>
> > On 5/4/2011 7:22 PM, Bernard Cleyet wrote:
> > > If one wishes to increase the amplitude of an harmonic mechanical oscillator when driven at its resonance frequency, one increases the Q.   Not necessarily.  Please comment.
> > >
> > > Is this not necessarily true of an electrical oscillator, also?  [RLC oscillator]
> > >
> > > bc wonders about cavity oscillators, also.
> > If one wishes to increase the amplitude of an oscillator, one can
> > increase input power, or decrease
> > the power dissipation.
Decreasing dissipation, other things equal = increased Q
> > Power dissipation can be reduced by reducing the resonant frequency at
> > constant energy loss per cycle,
Constant energy loss per cycle, other things equal = constant Q
> > or by reducing the energy loss per cycle at constant frequency.
Reduced energy loss per cycle, other things equal = increased Q
> > Is this what you meant?
> >
> > Brian W
> > _______________________________________________
> I was hoping there would be comments about the Q in both cases.  What you write is very true.
>
> bc dissapointed.
Is this what you were hoping for?

Brian W