I did fail to point out that it could be that NPO's are
more desireable because they are usually physically larger
than the cheaper caps.
73
Bill
> Why NPO? With Q=2 Bandwidth (-3db) of the tuned circuit
>is F/Q = .5*F or 50%
>10% change in capacitance would only produce 5% shift in frequency.
> One advantage in using higher voltage capacitors is that they are
>physically larger and can handle more RF current due to the larger
>surface area.
>
>
>73
>Bill wa4lav
>
>
William L. Fuqua III P.E. E-mail WLFUQU00@POP.UKY.EDU Phone (606) 257-4155
Department of Physics and Astronomy CP-177 Chem. Phys. Bldg.
University of Kentucky , Lexington, Ky 40506-0055
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