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Description: Implementation of the Jones transmission line model.
by C. Bond, 1994
"Analysis of the Efficiency and Inductance of Multiturn
Thin Film Magnetic Recording Heads", R. E. Jones, Jr.,
IEEE Trans. on Magnetics, Vol. MAG-14, No. 5, Sept. 1978.
The following code uses multiple turns. Results from the efficiency calculations will generally not differ much from those using a single turn model (jones1).
It is assumed that all turns have the same width (= delta).
This assumption leads to some simplifications in the loops used to compute efficiency and inductance. It also leads to a single value for alpha , further simplifying the loops.
The determination of the coil geometry is handled externally.Spacing between coils may be estimated based on some fraction of the trace (stripe) width, or on a fixed process limit. In the latter case, 2.5 microns is a good figure for current (1993) technology.
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