kopia lustrzana https://github.com/miguelvaca/vk3cpu
Added impedance and reset gui
miguel
rodzic
ed492a33d5
commit
3a924a4842
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@ -72,6 +72,7 @@
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</ul>
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</div>
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</section>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/7.5.1/math.min.js"></script>
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<script src="inductor.js"></script>
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<script>
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// Define global storage for calculated values, so we don't recalculate the same things multiple times:
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@ -81,7 +82,10 @@
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Rdc : 0.0,
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SRF : 0.0,
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X : 0.0,
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f : 0.0,
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Xl : 0.0,
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Xc : 0.0,
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Z : 0.0,
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skin_depth : 0.0,
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Rac : 0.0,
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Q : 0.0
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@ -90,8 +94,8 @@
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// Solve all the parameters, and re-draw the canvas:
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function recalculate() {
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// Input variables:
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const loop_diameter_meters = 0.001 * loop_diameter_slider.value;
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const cond_diameter_meters = 0.001 * conductor_diameter_slider.value;
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const loop_diameter_meters = 0.001 * loop_diameter_slider.value * 25.4; // Inches to mm then to m
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const cond_diameter_meters = 0.001 * conductor_diameter_slider.value * 25.4; // Inches to mm then to m
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const spacing_ratio = 1.0 * loop_spacing_slider.value;
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const loop_turns = 1.0 * loop_turns_slider.value;
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const frequency_hz = 1e6 * frequency_slider.value;
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@ -101,10 +105,17 @@
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inductor.Rdc = dcResistance(loop_diameter_meters, cond_diameter_meters, spacing_ratio, loop_turns);
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inductor.SRF = selfResonantFrequency(inductor.L, inductor.C);
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// Frequency dependent characteristics:
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inductor.X = inductiveReactance(frequency_hz, inductor.L);
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inductor.f = frequency_hz;
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inductor.Xl = inductiveReactance(frequency_hz, inductor.L);
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inductor.Xc = capacitiveReactance(frequency_hz, inductor.C);
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inductor.skin_depth = skinDepth(frequency_hz);
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inductor.Rac = acResistance(loop_diameter_meters, cond_diameter_meters, spacing_ratio, loop_turns, frequency_hz);
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inductor.Q = qualityFactor(inductor.X, inductor.Rac);
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inductor.Q = qualityFactor(inductor.Xl, inductor.Rac);
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// Calculate impedance:
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var Zl = math.complex(inductor.Rac, inductor.Xl);
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var Zc = math.complex(0, inductor.Xc);
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inductor.Z = math.divide(math.multiply(Zl, Zc), math.add(Zl, Zc)).toPolar();
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// Redraw the canvas:
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drawDesign();
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}
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@ -201,11 +212,15 @@
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fctx.lineTo(loopx + loop_radius + 3.0*arrow_size, y_offset);
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fctx.stroke();
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// Write loop diameter symbol:
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// Write conductor diameter symbol:
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fctx.font = "12px arial";
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const cond_dia = 1.0 * conductor_diameter_slider.value;
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fctx.textAlign = "right";
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fctx.fillText("\u2300a = " + cond_dia.toFixed(3).toString() + "mm", loopx - loop_radius - 2.0*arrow_size, loopy - 6);
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// Write loop diameter symbol:
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const loop_dia = 1.0 * loop_diameter_slider.value; // Convert from mm to inches
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fctx.fillText("\u2300b = " + loop_dia.toPrecision(3).toString() + "mm", loopx - loop_radius - 2.0*arrow_size, y_offset - 2);
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fctx.fillText("\u2300b = " + loop_dia.toFixed(2).toString() + "mm", loopx - loop_radius - 2.0*arrow_size, y_offset - 2);
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// Draw inner-diameter arrows: (for using a winding former)
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const inner_dia_y = loopy + loop_radius + 40;
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@ -261,25 +276,23 @@
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// Draw conductor diameter arrow:
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fctx.beginPath();
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fctx.moveTo(loopx + loop_radius - cond_radius, loopy);
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fctx.lineTo(loopx + loop_radius - cond_radius - arrow_size, loopy - arrow_size);
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fctx.lineTo(loopx + loop_radius - cond_radius - arrow_size, loopy + arrow_size);
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fctx.lineTo(loopx + loop_radius - cond_radius, loopy);
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fctx.lineTo(loopx - 0.6*loop_radius, loopy);
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fctx.moveTo(loopx - loop_radius - cond_radius, loopy);
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fctx.lineTo(loopx - loop_radius - cond_radius - arrow_size, loopy - arrow_size);
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fctx.lineTo(loopx - loop_radius - cond_radius - arrow_size, loopy + arrow_size);
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fctx.lineTo(loopx - loop_radius - cond_radius, loopy);
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fctx.lineTo(loopx - loop_radius - 3.0*arrow_size, loopy);
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fctx.stroke();
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fctx.beginPath();
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fctx.moveTo(loopx + loop_radius + cond_radius, loopy);
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fctx.lineTo(loopx + loop_radius + cond_radius + arrow_size, loopy - arrow_size);
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fctx.lineTo(loopx + loop_radius + cond_radius + arrow_size, loopy + arrow_size);
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fctx.lineTo(loopx + loop_radius + cond_radius, loopy);
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fctx.lineTo(loopx + loop_radius + cond_radius + 2.0*arrow_size, loopy);
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fctx.moveTo(loopx - loop_radius + cond_radius, loopy);
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fctx.lineTo(loopx - loop_radius + cond_radius + arrow_size, loopy - arrow_size);
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fctx.lineTo(loopx - loop_radius + cond_radius + arrow_size, loopy + arrow_size);
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fctx.lineTo(loopx - loop_radius + cond_radius, loopy);
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fctx.lineTo(loopx - loop_radius + cond_radius + 2.0*arrow_size, loopy);
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fctx.stroke();
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//fctx.textAlign = "right";
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const cond_dia = 1.0 * conductor_diameter_slider.value;
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fctx.textAlign = "center";
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fctx.fillText("\u2300a = " + cond_dia.toPrecision(3).toString() + "mm", loopx, loopy - 6);
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var awg = "";
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var swg = "";
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switch(cond_dia) {
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case 0.100 :
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awg = "~38 AWG";
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@ -289,49 +302,70 @@
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break;
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case 0.200 :
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awg = "~32 AWG";
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swg = "~36 SWG";
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break;
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case 0.250 :
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awg = "~30 AWG";
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swg = "~33 SWG";
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break;
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case 0.300 :
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awg = "~29 AWG";
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swg = "~31 SWG";
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break;
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case 0.350 :
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awg = "~27 AWG";
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swg = "~29 SWG";
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break;
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case 0.400 :
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awg = "~26 AWG";
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swg = "~27 SWG";
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break;
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case 0.450 :
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awg = "~25 AWG";
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swg = "~26 SWG";
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break;
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case 0.500 :
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awg = "~24 AWG";
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swg = "~25 SWG";
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break;
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case 0.550 :
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awg = "~23 AWG";
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swg = "~24 SWG";
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break;
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case 0.600 :
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swg = "~23 SWG";
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break;
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case 0.650 :
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awg = "~22 AWG";
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break;
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case 0.700 :
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awg = "~21 AWG";
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swg = "~22 SWG";
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break;
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case 0.800 :
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awg = "~20 AWG";
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swg = "~21 SWG";
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break;
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case 0.900 :
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awg = "~19 AWG";
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swg = "~20 SWG";
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break;
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case 1.00 :
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awg = "~18 AWG";
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swg = "~19 SWG";
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break;
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case 1.15 :
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awg = "~17 AWG";
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break;
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case 1.20 :
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swg = "~18 SWG";
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break;
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case 1.30 :
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awg = "~16 AWG";
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break;
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case 1.40 :
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swg = "~17 SWG";
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break;
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case 1.45 :
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awg = "~15 AWG";
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break;
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@ -366,9 +400,11 @@
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awg = "~5 AWG";
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break;
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}
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fctx.textAlign = "left";
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fctx.fillText(awg, loopx + loop_radius + cond_radius + 2.0*arrow_size, loopy - 6);
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fctx.textAlign = "center";
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fctx.font = "14px courier";
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fctx.fillText(awg, loopx, loopy - 6);
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fctx.fillText(swg, loopx, loopy + 12);
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fctx.font = "12px arial";
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var cond_spacing = 2.0 * cond_radius * loop_spacing_slider.value;
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@ -454,10 +490,11 @@
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fctx.textAlign = "right";
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var freq = 1.0 * frequency_slider.value;
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fctx.fillText("f = " + freq.toFixed(1) + " MHz", win_width-18, 18);
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fctx.fillText("Xl = " + inductor.X.toFixed(1) + " \u03A9", win_width-18, 32);
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fctx.fillText("\u03B4 = " + (inductor.skin_depth * 1e6).toFixed(1) + " \u03BCm", win_width-18, 46);
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fctx.fillText("Rac = " + inductor.Rac.toFixed(2) + " \u03A9", win_width-18, 60);
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fctx.fillText("Q = " + inductor.Q.toFixed(1), win_width-18, 74);
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fctx.fillText("X\u2097 = " + inductor.Xl.toFixed(1) + " \u03A9", win_width-18, 32);
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fctx.fillText("|Z| = " + inductor.Z.r.toFixed(1) + " \u03A9", win_width-18, 46);
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fctx.fillText("\u03B4 = " + (inductor.skin_depth * 1e6).toFixed(1) + " \u03BCm", win_width-18, 60);
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fctx.fillText("Rac = " + inductor.Rac.toFixed(2) + " \u03A9", win_width-18, 74);
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fctx.fillText("Q = " + inductor.Q.toFixed(1), win_width-18, 88);
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fctx.textAlign = "center";
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fctx.fillText("N = " + loop_turns_slider.value.toString(), win_width/2, win_height * 0.52);
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@ -290,7 +290,6 @@
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fctx.lineTo(loopx - loop_radius + cond_radius, loopy);
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fctx.lineTo(loopx - loop_radius + cond_radius + 2.0*arrow_size, loopy);
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fctx.stroke();
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//fctx.textAlign = "right";
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var awg = "";
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var swg = "";
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