Re: Resonance _s_ Re: Quarter Wavelength Frequency

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

Original poster: Ed Phillips <evp-at-pacbell-dot-net> 

Tesla list wrote:
 >
 > Original poster: davep-at-quik-dot-com
 >
 >  >  >   > > There is only one fundamental resonance.
 >      I may be lifting this too farout of context, but....
 >
 >      Essentially any resonant system, especially _system_
 >      Will have more than one resonance.
 >       (Yes, only one will be The Fundamental,
 >        the others are quite real...)
 >
 >      The trivial case of a quarter wave straight wire will have
 >      f, 2f, 3f, etc
 >
 >      Wind the wire up and the stray capacitance and others effects
 >      will change the fundamental, the harmincs and add a few nearby
 >      ones.
 >
 >      Add a capacitance top hat and another set is _added_.
 >
 >      Set a resonant primary tank nearby and the complications,
 >      the real world, real realities get numerous...
 >
 >      (OK: I had unfair advantage of a tracking generator/spectrum
 >       analyzer to observe these, they can be seen with any
 >       equipment, and enough patience....)
 >
 >      Some/one will be stronger/strongest, the others exist,
 >      and affect things.
 >
 >      best
 >       dwp

	A lumped L-C circuit will have only one resonance.

Ed