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Moved global proximityResistance ahead of any function definitions.

pull/2/head
miguel 2021-10-25 10:42:14 +11:00
rodzic cb5ccd47d2
commit 55af3dfb8b
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magloop.html
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@ -198,6 +198,20 @@
var R_ext = 0.0; // External losses due to capacitor resistance and ground effects, in ohms
var metal = "Cu"; // Default metal is copper
const proximityResistance = {
// From G. S. Smith, "Radiation Efficiency of Electrically Small Multiturn Loop Antennas", IEEE Trans Antennas Propagation, September 1972
// 0 - this is the corresponding x-axis value. 1 - single loop adds zero to proximity resistance. Others measured empirically.
0:[ 1.1, 1.15, 1.20, 1.25, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.20, 2.40, 2.50, 2.60, 2.80, 3.00, 3.50, 4.00],
1:[0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000],
2:[0.299, 0.284, 0.268, 0.254, 0.240, 0.214, 0.191, 0.173, 0.155, 0.141, 0.128, 0.116, 0.098, 0.032, 0.077, 0.071, 0.061, 0.054, 0.040, 0.031],
3:[0.643, 0.580, 0.531, 0.491, 0.455, 0.395, 0.346, 0.305, 0.270, 0.241, 0.216, 0.195, 0.161, 0.135, 0.124, 0.114, 0.098, 0.085, 0.062, 0.048],
4:[0.996, 0.868, 0.777, 0.704, 0.644, 0.564, 0.470, 0.408, 0.353, 0.316, 0.281, 0.252, 0.205, 0.170, 0.156, 0.144, 0.123, 0.106, 0.077, 0.058],
5:[1.347, 1.142, 1.002, 0.896, 0.809, 0.674, 0.572, 0.492, 0.428, 0.375, 0.332, 0.295, 0.239, 0.197, 0.180, 0.165, 0.141, 0.121, 0.087, 0.066],
6:[1.689, 1.400, 1.210, 1.068, 0.956, 0.784, 0.658, 0.561, 0.485, 0.423, 0.372, 0.330, 0.265, 0.217, 0.198, 0.182, 0.154, 0.133, 0.095, 0.072],
7:[2.020, 1.693, 1.401, 1.224, 1.086, 0.880, 0.732, 0.620, 0.532, 0.462, 0.405, 0.358, 0.286, 0.234, 0.213, 0.195, 0.165, 0.142, 0.101, 0.076],
8:[2.340, 1.872, 1.577, 1.365, 1.203, 0.965, 0.796, 0.670, 0.573, 0.495, 0.433, 0.392, 0.304, 0.247, 0.225, 0.206, 0.174, 0.150, 0.106, 0.080]
};
var frequencies = [];
function updateFrequencies() {
@ -419,20 +433,6 @@
return retval;
}
const proximityResistance = {
// From G. S. Smith, "Radiation Efficiency of Electrically Small Multiturn Loop Antennas", IEEE Trans Antennas Propagation, September 1972
// 0 - this is the corresponding x-axis value. 1 - single loop adds zero to proximity resistance. Others measured empirically.
0:[ 1.1, 1.15, 1.20, 1.25, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.20, 2.40, 2.50, 2.60, 2.80, 3.00, 3.50, 4.00],
1:[0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000],
2:[0.299, 0.284, 0.268, 0.254, 0.240, 0.214, 0.191, 0.173, 0.155, 0.141, 0.128, 0.116, 0.098, 0.032, 0.077, 0.071, 0.061, 0.054, 0.040, 0.031],
3:[0.643, 0.580, 0.531, 0.491, 0.455, 0.395, 0.346, 0.305, 0.270, 0.241, 0.216, 0.195, 0.161, 0.135, 0.124, 0.114, 0.098, 0.085, 0.062, 0.048],
4:[0.996, 0.868, 0.777, 0.704, 0.644, 0.564, 0.470, 0.408, 0.353, 0.316, 0.281, 0.252, 0.205, 0.170, 0.156, 0.144, 0.123, 0.106, 0.077, 0.058],
5:[1.347, 1.142, 1.002, 0.896, 0.809, 0.674, 0.572, 0.492, 0.428, 0.375, 0.332, 0.295, 0.239, 0.197, 0.180, 0.165, 0.141, 0.121, 0.087, 0.066],
6:[1.689, 1.400, 1.210, 1.068, 0.956, 0.784, 0.658, 0.561, 0.485, 0.423, 0.372, 0.330, 0.265, 0.217, 0.198, 0.182, 0.154, 0.133, 0.095, 0.072],
7:[2.020, 1.693, 1.401, 1.224, 1.086, 0.880, 0.732, 0.620, 0.532, 0.462, 0.405, 0.358, 0.286, 0.234, 0.213, 0.195, 0.165, 0.142, 0.101, 0.076],
8:[2.340, 1.872, 1.577, 1.365, 1.203, 0.965, 0.796, 0.670, 0.573, 0.495, 0.433, 0.392, 0.304, 0.247, 0.225, 0.206, 0.174, 0.150, 0.106, 0.080]
};
function getProximityResFromSpacing(spacing_ratio) {
// Use the proximityResistance look-up table and interpolate values depending on the spacing ratio and the number of turns.
var retval = 0.0;