tsc/framus.htm at master · montyleib/tsc · GitHub

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<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE>TSC in the web</TITLE>
<LINK href="nouislider.css" rel="stylesheet"/>
<SCRIPT type="text/javascript" src="nouislider.min.js"></SCRIPT>
<LINK href="dygraph.css" rel="stylesheet"/>
<LINK href="tsc.css" rel="stylesheet"/>
<LINK href="https://fonts.googleapis.com/css?family=Barlow+Condensed|Raleway" rel="stylesheet">
<SCRIPT type="text/javascript" src="dygraph.min.js"></SCRIPT>
<SCRIPT type="text/javascript" src="rlc.js"></SCRIPT>
<SCRIPT type="text/javascript" src="tsc_common.js"></SCRIPT>
</HEAD>
<BODY>
<FORM name="frm">
  <TABLE class="tonestack-layout">
    <TR>
      <TD colspan="3" class="navbar">
        <DIV id="linkDiv" class="navbar-stack"></DIV>
        <DIV id="infoDiv" class="navbar-info"><a href="info.htm" class="navbar-menu-item">INFO</a></DIV>
      </TD>
    </TR>
    <TR>
      <TD class="tonestack-image">
        <IMG src="framus2_pic.png"></IMG>
      </TD>
      <TD class="tonestack-values">
        <table class="tonestack-values-table">
          <thead>
            <tr>
              <th class="tonestack-value-th-part">Part</th>
              <th class="tonestack-value-th-value">Value</th>
              <th class="tonestack-value-th-unit"></th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td class="tonestack-value-label"><label for="id_RIN">RIN</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="RIN" id="id_RIN" size="7" readonly="readonly" class="tonestack-value-input resistance"></td>
              <td class="tonestack-value-unit">&Omega;</td>
            </tr>
            <tr>
              <td class="tonestack-value-label"><label for="id_R1">R1</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="R1" id="id_R1" size="7" readonly="readonly" class="tonestack-value-input resistance"></td>
              <td class="tonestack-value-unit">&Omega;</td>
            </tr>
            <tr>
              <td class="tonestack-value-label"><label for="id_RM">RM</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="RM" id="id_RM" size="7" readonly="readonly" class="tonestack-value-input resistance"></td>
              <td class="tonestack-value-unit">&Omega;</td>
            </tr>
            <tr>
              <td class="tonestack-value-label"><label for="id_RL">RL</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="RL" id="id_RL" size="7" readonly="readonly" class="tonestack-value-input resistance"></td>
              <td class="tonestack-value-unit">&Omega;</td>
            </tr>
            <tr>
              <td class="tonestack-value-label"><label for="id_C1">C1</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="C1" id="id_C1" size="7" readonly="readonly" class="tonestack-value-input capacitance"></td>
              <td class="tonestack-value-unit">F</td>
            </tr>
            <tr>
              <td class="tonestack-value-label"><label for="id_C2">C2</label></td>
              <td class="tonestack-value-value"><INPUT type="text" name="C2" id="id_C2" size="7" readonly="readonly" class="tonestack-value-input capacitance"></td>
              <td class="tonestack-value-unit">F</td>
            </tr>
          </tbody>
        </table>
        <CENTER>
          <INPUT type="button" name="edit" value="Edit" title="Edit values" id="id_edit" class="tonestack-values-button">
          <INPUT type="submit" name="apply" value="Apply" title="Apply values" id="id_apply" class="tonestack-values-button">
          <INPUT type="button" name="defaults" value="Default" title="Set default values" id="id_defaults" class="tonestack-values-button">
        </CENTER>
      </TD>
      <TD rowspan="2" class="tonestack-graph-panel">
        <div class="tonestack-bar">
          <div class="tonestack-graph-toggle">
            Amplitude<input type="checkbox" name="graphToggle" class="toggle">Phase
          </div>
          <input type="button" name="Clear" value="Clear snapshots" id="id_clear" class="tonestack-values-button tonestack-graph-button">
          <input type="button" name="Snapshot" value="Take snapshot" id="id_snapshot" class="tonestack-values-button tonestack-graph-button">
          <input type="button" name="Sweep" value="Sweep" id="id_sweep" class="tonestack-values-button tonestack-graph-button">
        </div>
        <div id="graphContainer" class="tonestack-graph-container">
          <div id="graph" class="tonestack-graph"></div>
          <div id="graph2" class="tonestack-graph hidden"></div>
          <div id="legendDiv" class="tonestack-graph-value"></div>
        </div>
      </TD>
    </TR>
    <TR>
      <TD colspan="2" class="tonestack-sliders">
        <BR>
        <SPAN id="label_RM" class="tonestack-slider-label">RM
          <select id="id_RM_pot" name="RM_pot" class="tonestack-select-pot">
            <option value="Linear" selected="selected">Linear</option>
            <option value="LogA">LogA</option>
            <option value="LogB">LogB</option>
          </select>
        </SPAN>
        <DIV id="range_RM" class="tonestack-slider-input"></DIV>
        <SPAN id="value_RM" class="tonestack-slider-value"></SPAN><BR><BR><BR><BR>
      </TD>
    </TR>
  </TABLE>

<SCRIPT>
    // create links to all the tone stack pages to the top of the page
    createLinks("linkDiv","Framus");

    // component variables for calculation
    var RMid;
    var RIN;
    var RL;
    var R1;
    var C1;
    var C2;

    // create sliders and save the div-element of the slider
    var range_RM = createSlider('range_RM','value_RM');

    // Graph objects
    var X = createFrequencies(90,10,100000,1);
    var graph1 = new tscGraph(X, "frequency [Hz]", "amplitude [dB]", "Framus mid control");
    var graph2 = new tscGraph(X, "frequency [Hz]", "phase", "Framus mid control", 0, "graph2");
    currentGraph = graph1;

    initializeForm();

    // Set default part values, plus any customizations
    setDefaultValues();
    setCustomValues();

    // Apply part values and display settings
    applyValues();
    if (document.frm.graphToggle.checked) {
        swapGraphs();
    }


    // function applies values given from ui and evaluates the frequency response
    function applyValues() {
        const f = document.frm;

        RIN     = tscResistance.parseElement(f.RIN);
        R1      = tscResistance.parseElement(f.R1);
        RMid    = tscResistance.parseElement(f.RM);
        RL      = tscResistance.parseElement(f.RL);
        C1      = tscCapacitance.parseElement(f.C1);
        C2      = tscCapacitance.parseElement(f.C2);

        // set the input fields to readonly mode
        var inputElements = f.getElementsByTagName('input');
        for (var i in inputElements) {
            if (inputElements[i].type == "text") {
                inputElements[i].setAttribute('readonly', 'readonly');
            }
        }

        updateURL();
        doCalc();
    }


    // function releases the readonly component value fields for editing
    function editValues() {
        var inputElements = document.frm.getElementsByTagName('input');
        for (var i in inputElements) {
            if (inputElements[i].type == "text") {
                inputElements[i].removeAttribute('readonly');
            }
        }
    }


    // This function resets form fields to their default values
    function setDefaultValues() {
        const f = document.frm;

        // Pair form element names to default values
        const defaultValues = {
            RIN    : "1k",
            R1     : "100k",
            RM     : "1M",
            RL     : "1M",
            C1     : "1n",
            C2     : "1n",
            RM_pot : "Linear",
        }

        // Set default values and clear any custom form validation errors
        for (var key in defaultValues) {
            f[key].value = defaultValues[key];
            f[key].setCustomValidity("");
        }
    }

    // creates a sweep plot with max and mid values
    // prints amplitude data to console for testing
    // against model validity. Use "store as global variable"
    // in Firefox for all arrays and then ''+temp2;
    function sweepValues() {
        for (p = 0; p <= 10; p+=2) {
            range_RM.noUiSlider.set(p);
            addSeries();
        }
    }

    // function calculates the frequency response for the given component values
    function doCalc() {

        // treble pot rotation 0 - 10 from the slider component
        var RotMid = getRotationForPotType(range_RM.noUiSlider.get(), document.frm.RM_pot.value);

        // Calculated part values
        var RM2  = Math.round( RMid*(1.0*RotMid/10.0) );
        var RM1  = Math.round( RMid*(1.0 - 1.0*RotMid/10.0) );


        // Transfer function denominator coefficients

var DEN_AIm = 0;

var DEN_BRe = C1*C2*RIN*RM1*RM2 + C1*C2*R1*RM1*RM2 + C1*C2*RIN*RL*RM2
 + C1*C2*R1*RL*RM2 + C1*C2*R1*RIN*RM2 + C1*C2*RIN*RL*RM1 + C1*C2*R1*RL*RM1
 + C1*C2*R1*RIN*RM1;

var DEN_CIm = C2*RM1*RM2 + C2*RL*RM2 + C2*RIN*RM2 + C2*RL*RM1 + C1*RIN*RM1 + C2*R1*RM1
 + C1*R1*RM1 + C2*RIN*RL + C1*RIN*RL + C2*R1*RL + C1*R1*RL + C2*R1*RIN
 + C1*R1*RIN;


var DEN_DRe = RM1 + RL + RIN;


        // Transfer function numerator coefficients

var NOM_AIm = 0;

var NOM_BRe = C1*C2*R1*RL*RM2 + C1*C2*R1*RL*RM1;

var NOM_CIm = C2*RL*RM2 + C2*R1*RL + C1*R1*RL;

var NOM_DRe = RL;


        // Calculate magnitude and phase at each frequency
        doCalcBode(
            [ NOM_DRe, NOM_CIm, NOM_BRe, NOM_AIm ],
            [ DEN_DRe, DEN_CIm, DEN_BRe, DEN_AIm ]
        );
        currentGraph.update();
    }
</SCRIPT>
</FORM>
</BODY>
</HTML>