Re: Quarter Wavelength Frequency

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

Hi Ed,

Your explaination helps.  Since lamda asymtotically approaches .5 could I
conclude that the coil is not base grounded and would be like a bipolar
coil?

Gerry R.


 > Original poster: Ed Phillips <evp-at-pacbell-dot-net>
 >
 > "Hi Ed,
 >
 > Is L/D like H/D or is L the length of the coiled wire uncoiled and
 > straigten
 > out? Is D is the diameter of the coil?  Could you define the geometry
 > for
 > lamda (I believe it is the wavelength but not sure if it is the
 > wavelenth of
 > the coiled wire or the straigtened out wire)?
 >
 > Gerry R"
 >
 > Should have explained that.  L is the length of the coil and D is the
 > mean diameter, including wire diameter.  As I noted in another message,
 > I calculated the ratio of the wire length wavelength corresponding to
 > the parallel resonant frequency.  Two many lengths mixed up in one
 > statement.  Hope this is clear.  This is a simple program running in
 > Quick Basic, originally developed on a Mac.  I have a PC version I could
 > send to you if you're interested - it's only a few lines.
 >
 > Ed
 >
 >