On 1/12/07, Paul Anderson <wackyvorlon@gmail.com> wrote:
>
> I'm familiar with building a VCO using varactor diodes, but I was
> wondering about other designs.  I was discussing this with my father,
> and suggested the idea of changing the biasing of transistors making
> it take longer for the voltage to come up.  Would this effect be
> pronounced enough to work?


You might be shifting the oscillator frequency by changing the inductance,
due to the total current being higher (permeability tuned oscillator). But
it's a secondary effect at best.
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