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28raining28raining
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corrected capturing of units 'm'
1 parent 9e7bce3 commit a92ae6b

5 files changed

Lines changed: 47 additions & 12 deletions

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‎smith_chart/ToDo.txt‎

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1 - Review behavior of stub when length = 0.5 and Zo changes

‎smith_chart/js/smith_tool.js‎

Lines changed: 12 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -303,14 +303,15 @@ function pad(n) {
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}
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function unitTextToNum (unit, freq_here) {
306-
if (unit[0][0] == 'f') return 1e-15;
307-
else if (unit[0][0] == 'p') return 1e-12;
308-
else if (unit[0][0] == 'n') return 1e-9;
309-
else if (unit[0][0] == 'u') return 1e-6;
310-
else if (unit[0][0] == 'm') return 1e-3; //tl can have unit of meters
311-
else if (unit[0][0] == 'K') return 1e3;
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else if (unit[0][0] == 'M') return 1e6;
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else if (unit[0][0] == 'λ') return (3e8/(freq_here*Math.sqrt(schematic[0].er)));
306+
if (unit[0] == 'f') return 1e-15;
307+
else if (unit[0] == 'p') return 1e-12;
308+
else if (unit[0] == 'n') return 1e-9;
309+
else if (unit[0] == 'u') return 1e-6;
310+
else if (unit == 'm') return 1; //tl can have unit of meters
311+
else if (unit[0] == 'm') return 1e-3;
312+
else if (unit[0] == 'K') return 1e3;
313+
else if (unit[0] == 'M') return 1e6;
314+
else if (unit[0] == 'λ') return (3e8/(freq_here*Math.sqrt(schematic[0].er)));
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else return 1;
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}
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@@ -463,9 +464,9 @@ function update_smith_chart() {
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else start_at_qtr_wl = 0;
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start_impedance[0]=span_impedance_re[sp];
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start_impedance[1]=span_impedance_im[sp];
466-
start = one_over_complex(span_impedance_re[sp],span_impedance_im[sp]);
467-
var temp_array = arc_smith_points(start[0],start[1],ln_length,schematic[i].line_zo,schematic[i].type,true,2*Math.PI*frequency_at_sp*Math.sqrt(schematic[0].er)/3e8,start_at_qtr_wl);
468-
var schem_inv = one_over_complex(temp_array[4],temp_array[5]);
467+
start = one_over_complex(span_impedance_re[sp],span_impedance_im[sp]);
468+
var temp_array = arc_smith_points(start[0],start[1],ln_length,schematic[i].line_zo,schematic[i].type,true,2*Math.PI*frequency_at_sp*Math.sqrt(schematic[0].er)/3e8,start_at_qtr_wl);
469+
var schem_inv = one_over_complex(temp_array[4],temp_array[5]);
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span_impedance_re[sp] = schem_inv[0];
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span_impedance_im[sp] = schem_inv[1];
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‎smith_chart/svg/elements.svg‎

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‎smith_chart/svg/elements_new.drawio‎

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‎smith_chart/svg/elements_old.svg‎

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