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amp.js
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amp.js
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var ampObj = {
"Z0": 50.0, // characteristic impedance
"S11M": 0.641,
"S11A": -171.3,
"S21M": 2.058,
"S21A": 28.5,
"S12M": 0.057,
"S12A": 16.3,
"S22M": 0.572,
"S22A": -95.7,
"polar":true,
"Fmin": 2.9,
"G0M": 0.542,
"G0A": 141,
"RN": 9.42,
"show_message": false,
"stabilityColor":'#800080', // purple
"gainColor":'#00FF00',
"noiseColor":'#800000',
"k" : 0,
"delta" : 0,
"STFLAG" : false,
"stability_msg": "",
//"GA" : 10, // Gain circle
"Fi" : 4, // NF inputGPMAX
"vswr":1.0,
"stabilityS_r":0.0,
"stabilityS_m":0.0,
"stablityS_q":0.0,
"stabilityL_r":0.0,
"stabilityL_m":0.0,
"stablityL_q":0.0,
"Again_r":0.0,
"Again_m":0.0,
"Again_q":0.0,
"Ogain_r":0.0,
"Ogain_m":0.0,
"Ogain_q":0.0,
"noise_r":0.0,
"noise_m":0.0,
"noise_q":0.0,
"GPMAX":0.0, // gain circle max
"AvG":0.0, // available gain
"OpG":0.0, // operating gain
"AVLoadAngle":45, // starting poing for the source gain circle
"OPLoadAngle":45, // starting point for the load gain circle
"AVStepAngle":1.0, // step angle for source gain circle
"OPStepAngle":1.0, // step angle for source gain circle
"AVCenterR":0.0,
"AVCenterI": 0.0,
"OPCenterR":0.0,
"OPCenterI": 0.0,
"DataSM" :0.0,
"DataSQ" :0.0,
"DataLM" :0.0,
"DataLQ" :0.0,
calculateStabilityCircles: function() { calculateStabilityCircles (this);},
calculateNoiseCircles: function() { calculateNoiseCircles (this);},
calculateAVGainCircles : function() { calculateAVGainCircles(this);},
calculateOPGainCircles : function() { calculateOPGainCircles(this);}
};
var C1R,C2R,C1I,C2I,DeltaM,AK; // GLOBAL VALUES
function calculateStabilityCircles() {
console.log("caculateStability");
var S11R, S11I, S21R, S21I, S12R, S12I, S22R, S22I;
var H1, H2, H3, RLD, CLR, CLI, RSD, CSR, CSI;
var GMSG,GPMAX;
S11R = ampObj.S11M * Math.cos(ampObj.S11A * Math.PI / 180);
S11I = ampObj.S11M * Math.sin(ampObj.S11A * Math.PI / 180);
S21R = ampObj.S21M * Math.cos(ampObj.S21A * Math.PI / 180);
S21I = ampObj.S21M * Math.sin(ampObj.S21A * Math.PI / 180);
S12R = ampObj.S12M * Math.cos(ampObj.S12A * Math.PI / 180);
S12I = ampObj.S12M * Math.sin(ampObj.S12A * Math.PI / 180);
S22R = ampObj.S22M * Math.cos(ampObj.S22A * Math.PI / 180);
S22I = ampObj.S22M * Math.sin(ampObj.S22A * Math.PI / 180);
var DeltaR = AddRe(MulRe(S11R, S11I, S22R, S22I), MulIm(S11R, S11I, S22R, S22I), -MulRe(S12R, S12I, S21R, S21I), -MulIm(S12R, S12I, S21R, S21I));
var DeltaI = AddIm(MulRe(S11R, S11I, S22R, S22I), MulIm(S11R, S11I, S22R, S22I), -MulRe(S12R, S12I, S21R, S21I), -MulIm(S12R, S12I, S21R, S21I));
DeltaM= Math.abs(Math.sqrt(DeltaR*DeltaR + DeltaI*DeltaI)); // Global
ampObj.delta= Number(DeltaM).toFixed(3);
// Calculate K
H1 = Math.abs(Math.sqrt(Math.pow(MulRe(S21R, S21I, S12R, S12I), 2) + Math.pow(MulIm(S21R, S21I, S12R, S12I), 2)));
if (H1 !== 0) {
H2 = Math.abs(Math.sqrt(Math.pow(MulRe(S11R, S11I, S11R, S11I),2) + Math.pow(MulIm(S11R, S11I, S11R, S11I), 2))); // |S11*S11|
H3 = Math.abs(Math.sqrt(Math.pow(MulRe(S22R, S22I, S22R, S22I), 2) + Math.pow(MulIm(S22R, S22I, S22R, S22I), 2))); // |S12*S12|
AK = (1 - H2 - H3 + DeltaM * DeltaM) / (2 * H1);
}
else AK = 1E+20;
ampObj.k= Number(AK).toFixed(3);
if (DeltaM < 1 && AK > 1) {
ampObj.stability_msg = "UNCONDITIONALLY STABLE";
ampObj.STFLAG = true;
}
else {
ampObj.stability_msg = "POTENTIALLY UNSTABLE";
ampObj.STFLAG = false;
}
//Calculate var Variable C1 & C2
C1R = AddRe(S11R, S11I, -MulRe(DeltaR, DeltaI, S22R, -S22I), -MulIm(DeltaR, DeltaI, S22R, -S22I));
C1I = AddIm(S11R, S11I, -MulRe(DeltaR, DeltaI, S22R, -S22I), -MulIm(DeltaR, DeltaI, S22R, -S22I));
C2R = AddRe(S22R, S22I, -MulRe(DeltaR, DeltaI, S11R, -S11I), -MulIm(DeltaR, DeltaI, S11R, -S11I));
C2I = AddIm(S22R, S22I, -MulRe(DeltaR, DeltaI, S11R, -S11I), -MulIm(DeltaR, DeltaI, S11R, -S11I));
RLD = S22R * S22R + S22I * S22I - DeltaM * DeltaM;
if (RLD == 0) RLD = 0.000000000001;
var RL = H1 / RLD;
CLR = C2R / RLD;
CLI = -C2I / RLD;
var CLM = Math.abs(Math.sqrt(CLR * CLR + CLI * CLI));
var CLA = Math.atan(CLI / CLR) * 180 / Math.PI;
if (CLR < 0 && CLI > 0) CLA = 180 + CLA;
if (CLR < 0 && CLI < 0) CLA = -180 + CLA;
RSD = S11R * S11R + S11I * S11I - DeltaM * DeltaM;
if (RSD == 0) RSD = 0.000000000001;
var RS = H1 / RSD;
CSR = C1R / RSD;
CSI = -C1I / RSD;
var CSM = Math.abs(Math.sqrt(CSR * CSR + CSI * CSI));
var CSA = Math.atan(CSI / CSR) * 180 / Math.PI;
if (CSR < 0 && CSI > 0) CSA = 180 + CSA;
if (CSR < 0 && CSI < 0) CSA = -180 + CSA;
// Calculate Maximum Gain GPMAX
GMSG = Math.abs(Math.sqrt(DivRe(S21R, S21I, S12R, S12I) * DivRe(S21R, S21I, S12R, S12I) + DivIm(S21R, S21I, S12R, S12I) * DivIm(S21R, S21I, S12R, S12I)));
if (ampObj.STFLAG == false) GPMAX = (Math.log(GMSG) / Math.log(10)) * 10; // Unstable case
else
{
GPMAX = (AK - Math.sqrt(AK * AK - 1)) * GMSG;
GPMAX = (Math.log(GPMAX) / Math.log(10)) * 10;
}
ampObj.GPMAX=GPMAX;
ampObj.stablityS_q = CSA;
ampObj.stablityS_m = CSM;
ampObj.stablityS_r = RS;
ampObj.stablityL_q = CLA;
ampObj.stablityL_m = CLM;
ampObj.stablityL_r = RL;
// form6.OperItem.Enabled = true
// form6.AvItem.Enabled = true
// form6.StabilityShowitem.Enabled = true
// form6.StabilityShowitem.Checked = false
// form6.NoiseShowItem.Checked = false
// form6.OperItem.Checked = false
// form6.AvItem.Checked = false
}
function calculateAVGainCircles() {
console.log("calculateAVGainCircles");
GainCirc(ampObj.AvG, ampObj.GPMAX, false);
}
function calculateOPGainCircles() {
console.log("calculateOPGainCircles");
GainCirc(ampObj.OpG, ampObj.GPMAX, true);
}
function CircleGamma(CX , CY , R , a , opera ) {
//Find a GammaS(Operating) or GammaL(available) on the circle for a given angle
var DataM, DataQ, datax, dataY;
var DR, DI, NR, NI;
var SourceReal,SourceImag,LoadReal,Loavarag;
var S11R, S11I, S21R, S21I, S12R, S12I, S22R, S22I;
S11R = ampObj.S11M * Math.cos(ampObj.S11A * Math.PI / 180);
S11I = ampObj.S11M * Math.sin(ampObj.S11A * Math.PI / 180);
S21R = ampObj.S21M * Math.cos(ampObj.S21A * Math.PI / 180);
S21I = ampObj.S21M * Math.sin(ampObj.S21A * Math.PI / 180);
S12R = ampObj.S12M * Math.cos(ampObj.S12A * Math.PI / 180);
S12I = ampObj.S12M * Math.sin(ampObj.S12A * Math.PI / 180);
S22R = ampObj.S22M * Math.cos(ampObj.S22A * Math.PI / 180);
S22I = ampObj.S22M * Math.sin(ampObj.S22A * Math.PI / 180);
//find gammaL
datax = R * Math.sin(a * Math.PI / 180);
dataY = R * Math.cos(a * Math.PI / 180);
datax = datax + CX;
dataY = dataY + CY;
DataM = Math.abs(Math.sqrt(datax * datax + dataY * dataY));
DataQ = Math.atan(dataY / datax) * 180 / Math.PI;
if (datax < 0 && dataY > 0) DataQ = 180 + DataQ;
if (datax < 0 && dataY < 0) DataQ = -180 + DataQ;
//plot current first and then calculate and plot the corresponding source/load
if (opera == true) { // write Load
ampObj.DataLM = DataM;
ampObj.DataLQ = DataQ;
//form6.panel3d10.ampObj = format(DataM, "0.000") & " < " & format(DataQ, "0.000");
// document.getElementById("ZL").value = Number(DataM).toFixed(3) + " < " + Number(DataQ).toFixed(3);
// LoadReal = GToZRZ(DataM, DataQ, ampObj.Z0);
// Loavarag = GToZIZ(DataM, DataQ, ampObj.Z0);
// document.getElementById("GL").value = Number(LoadReal).toFixed(3) + " < " + Number(Loavarag).toFixed(3);
}
else { // write Source
//form6.Smith1.DataM = DataM;
//form6.Smith1.DataQ = DataQ;
//SourceReal = AmpGTOZR(DataM, DataQ, form6.Smith1.Z0);
//SourceImag = AmpGTOZI(DataM, DataQ, form6.Smith1.Z0);
//form6.panel3d8.ampObj = format(DataM, "0.000") & " < " & format(DataQ, "0.000");
// form6.panel3d11.ampObj = format(SourceReal, "0.000") & " + j " & format(SourceImag, "0.000");
ampObj.DataSM = DataM; // write source
ampObj.DataSQ = DataQ;
//form6.panel3d8.ampObj = format(DataM, "0.000") & " < " & format(DataQ, "0.000");
// document.getElementById("ZS").value = Number(DataM).toFixed(3) + " < " + Number(DataQ).toFixed(3);
// SourceReal = GToZRZ(DataM, DataQ, ampObj.Z0);
// SourceImag = GToZIZ(DataM, DataQ, ampObj.Z0);
// document.getElementById("GS").value = Number(SourceReal).toFixed(3) + " < " + Number(SourceImag).toFixed(3);
}
//find the corresponding GammaS Gammal and wrie /plot
if (opera == true) { // operating pg122 GG (LOAD)
NR = MulRe(MulRe(S12R, S12I, S21R, S21I), MulIm(S12R, S12I, S21R, S21I), datax, dataY);
NI = MulIm(MulRe(S12R, S12I, S21R, S21I), MulIm(S12R, S12I, S21R, S21I), datax, dataY);
DR = MulRe(S22R, S22I, datax, dataY);
DI = MulIm(S22R, S22I, datax, dataY);
DR = AddRe(1, 0, -DR, -DI);
DI = AddIm(1, 0, -DR, -DI);
datax = DivRe(NR, NI, DR, DI);
dataY = DivIm(NR, NI, DR, DI);
datax = AddRe(S11R, S11I, datax, dataY);
dataY = AddIm(S11R, S11I, datax, dataY);
dataY = -dataY; // The required GammaS for maximum power is conjugate
DataM = Math.abs(Math.sqrt(datax * datax + dataY * dataY));
DataQ = Math.atan(dataY / datax) * 180 / Math.PI;
if (datax < 0 && dataY > 0) DataQ = 180 + DataQ;
if (datax < 0 && dataY < 0) DataQ = -180 + DataQ;
ampObj.DataSM = DataM; // write SOURCE data point for moving the Smith chart cursor
ampObj.DataSQ = DataQ;
// document.getElementById("ZS").value = Number(DataM).toFixed(3) + " < " + Number(DataQ).toFixed(3);
// SourceReal = GToZRZ(DataM, DataQ, ampObj.Z0);
// SourceImag = GToZIZ(DataM, DataQ, ampObj.Z0);
// document.getElementById("GS").value = Number(SourceReal).toFixed(3) + " < " + Number(SourceImag).toFixed(3);
}
else
{ // available pg 147 GG ( SOURCE)
NR = MulRe(MulRe(S12R, S12I, S21R, S21I), MulIm(S12R, S12I, S21R, S21I), datax, dataY);
NI = MulIm(MulRe(S12R, S12I, S21R, S21I), MulIm(S12R, S12I, S21R, S21I), datax, dataY);
DR = MulRe(S11R, S11I, datax, dataY);
DI = MulIm(S11R, S11I, datax, dataY);
DR = AddRe(1, 0, -DR, -DI);
DI = AddIm(1, 0, -DR, -DI);
datax = DivRe(NR, NI, DR, DI);
dataY = DivIm(NR, NI, DR, DI);
datax = AddRe(S22R, S22I, datax, dataY);
dataY = AddIm(S22R, S22I, datax, dataY);
dataY = -dataY; // The required GammaS for maximum power is conjugate
DataM = Math.abs(Math.sqrt(datax * datax + dataY * dataY));
DataQ = Math.atan(dataY / datax) * 180 / Math.PI;
if (datax < 0 && dataY > 0) DataQ = 180 + DataQ;
if (datax < 0 && dataY < 0) DataQ = -180 + DataQ;
ampObj.DataLM = DataM; // write load
ampObj.DataLQ = DataQ;
// document.getElementById("ZL").value = Number(DataM).toFixed(3) + " < " + Number(DataQ).toFixed(3);
// LoadReal = GToZRZ(DataM, DataQ, ampObj.Z0);
// Loavarag = GToZIZ(DataM, DataQ, ampObj.Z0);
// document.getElementById("GL").value = Number(LoadReal).toFixed(3) + " < " + Number(Loavarag).toFixed(3);
}
}
function GainCirc(G, Gmax, Oper) { //operating or availabel circles
var SR, SI, CR, CI, H1, GI, H2, H2A, H3, Distan, angle, RN, tmp,radius;
//var AV, CenterR, AVCenterI, AVRadius As Math.single // Local variables so than sMath.Math.PIn control does not access it
//we control the load plane data points only
var S11R, S11I, S21R, S21I, S12R, S12I, S22R, S22I;
S11R = ampObj.S11M * Math.cos(ampObj.S11A * Math.PI / 180);
S11I = ampObj.S11M * Math.sin(ampObj.S11A * Math.PI / 180);
S21R = ampObj.S21M * Math.cos(ampObj.S21A * Math.PI / 180);
S21I = ampObj.S21M * Math.sin(ampObj.S21A * Math.PI / 180);
S12R = ampObj.S12M * Math.cos(ampObj.S12A * Math.PI / 180);
S12I = ampObj.S12M * Math.sin(ampObj.S12A * Math.PI / 180);
S22R = ampObj.S22M * Math.cos(ampObj.S22A * Math.PI / 180);
S22I = ampObj.S22M * Math.sin(ampObj.S22A * Math.PI / 180);
if (Oper == true) { // Load plane
SR = S22R;
SI = S22I;
CR = C2R; // global
CI = C2I; // global
H1 = Math.abs(Math.sqrt(MulRe(S12R, S12I, S21R, S21I) * MulRe(S12R, S12I, S21R, S21I) + MulIm(S12R, S12I, S21R, S21I) * MulIm(S12R, S12I, S21R, S21I)));
H2 = Math.abs(Math.sqrt(MulRe(SR, SI, SR, SI) * MulRe(SR, SI, SR, SI) + MulIm(SR, SI, SR, SI) * MulIm(SR, SI, SR, SI))); // |S11*S11|
H2A = Math.abs(Math.sqrt(MulRe(S21R, S21I, S21R, S21I) * MulRe(S21R, S21I, S21R, S21I) + MulIm(S21R, S21I, S21R, S21I) * MulIm(S21R, S21I, S21R, S21I))); // |S21*S21|
H3 = H2 - DeltaM * DeltaM;
GI = Math.pow(10, (G / 10)) / H2A;
tmp = GI / (1 + GI * H3);
var CenterR = tmp * CR;
var CenterI = tmp * -CI;
Distan = Math.abs(Math.sqrt(CenterR * CenterR + CenterI * CenterI));
angle = Math.atan(CenterI / CenterR) * 180 / Math.PI;
if (CenterR < 0 && CenterI > 0) angle = 180 + angle;
if (CenterR < 0 && CenterI < 0) angle = -180 + angle;
if (G < Gmax) RN = Math.sqrt(1 - 2 * AK * H1 * GI + ((H1 * GI) * (H1 * GI))); else RN = 0;
radius = RN / (1 + GI * H3);
//if (oper) { //for load plane
ampObj.Ogain_m = Distan;
ampObj.Ogain_q= angle;
ampObj.Ogain_r= radius; // find a point on the circle
ampObj.OPCenterR = CenterR;
ampObj.OPCenterI = CenterI;
CircleGamma(ampObj.OPCenterR,ampObj.OPCenterI, ampObj.Ogain_r,ampObj.OPLoadAngle, true);
}
else { // AVAILABLE OR SOURCE PLANE CIRCLE
SR = S11R;
SI = S11I;
CR = C1R;//global
CI = C1I;//global
H1 = Math.abs(Math.sqrt(MulRe(S12R, S12I, S21R, S21I) * MulRe(S12R, S12I, S21R, S21I) + MulIm(S12R, S12I, S21R, S21I) * MulIm(S12R, S12I, S21R, S21I)));
H2 = Math.abs(Math.sqrt(MulRe(SR, SI, SR, SI) * MulRe(SR, SI, SR, SI) + MulIm(SR, SI, SR, SI) * MulIm(SR, SI, SR, SI) )); // |S11*S11|
H2A = Math.abs(Math.sqrt(MulRe(S21R, S21I, S21R, S21I) * MulRe(S21R, S21I, S21R, S21I) + MulIm(S21R, S21I, S21R, S21I) * MulIm(S21R, S21I, S21R, S21I)));// |S21*S21|
H3 = H2 - DeltaM * DeltaM;
GI = Math.pow(10 , (G / 10)) / H2A;
tmp = GI / (1 + GI * H3);
var AVCenterR = tmp * CR;
var AVCenterI = tmp * -CI;
Distan = Math.abs(Math.sqrt(AVCenterR * AVCenterR + AVCenterI * AVCenterI));
angle = Math.atan(AVCenterI / AVCenterR) * 180 / Math.PI;
if (AVCenterR < 0 && AVCenterI > 0) angle = 180 + angle;
if (AVCenterR < 0 && AVCenterI < 0) angle = -180 + angle;
if (G < Gmax) RN = Math.sqrt(1 - 2 * AK * H1 * GI + ((H1 * GI) * (H1 * GI))); else RN = 0;
var AVradius = RN / (1 + GI * H3);
//form6.Smith1.CircleIndex = 2;
ampObj.Again_m= Distan;
ampObj.Again_q = angle;
ampObj.Again_r = AVradius;
ampObj.AVCenterR = AVCenterR;
ampObj.AVCenterI = AVCenterI;
CircleGamma(ampObj.AVCenterR, ampObj.AVCenterI, ampObj.Again_r, ampObj.AVLoadAngle, false); // Available == false
radius = AVradius; // for msg box
}
if (ampObj.show_message==true) {
var msg = "Center = " + Number(Distan).toFixed(3) + " < " + Number(angle).toFixed(3) + "\n" + "Radius = " + Number(radius).toFixed(3);
ShowMessage("QuickSmith",msg);
}
}
function calculateNoiseCircles() {
var GOMAG, GOANG, RN, Fil, FminL ;
var GoR, GoI, tmpR, tmpI, tmp, ani, cfimag, cfiang, RFi;
// Fmin = form10.Text1.Text
GOMAG = ampObj.G0M;
GOANG = ampObj.G0A;
RN = ampObj.RN;
var fi = parseFloat(ampObj.Fi);
var Fmin = parseFloat(ampObj.Fmin);
//console.log("calculateNoiseCircles" + fi +" " + Fmin);
if (fi < Fmin) fi = Fmin;
FminL = Math.pow(10 , (Fmin / 10)); // dB to linear
Fil = Math.pow(10 , (fi / 10));
if (ampObj.Z0 > 0) RN = RN / ampObj.Z0; else RN = RN / 50;
GoR = GOMAG * Math.cos(GOANG * Math.PI / 180);
GoI = GOMAG * Math.sin(GOANG * Math.PI / 180);
tmpR = MulRe(AddRe(1, 0, GoR, GoI), AddIm(1, 0, GoR, GoI), AddRe(1, 0, GoR, GoI), AddIm(1, 0, GoR, GoI));
tmpI = MulIm(AddRe(1, 0, GoR, GoI), AddIm(1, 0, GoR, GoI), AddRe(1, 0, GoR, GoI), AddIm(1, 0, GoR, GoI));
tmp = Math.abs(Math.sqrt(tmpR * tmpR + tmpI * tmpI));
if (RN !== 0) {
ani = (Fil - FminL) * tmp / (4 * RN);
cfimag = GOMAG / (1 + ani);
}
else cfimag = 0;
cfiang = GOANG;
if (Fil > FminL) RFi = Math.sqrt( (ani * ani) + ani * (1 - (GOMAG * GOMAG))) / (1 + ani); else RFi = 0;
if (ampObj.show_message==true) {
var msg = "Center = " + Number(cfimag).toFixed(3) + " < " + Number(GOANG).toFixed(3) + "\n" + "Radius = " + Number(RFi).toFixed(3);
ShowMessage("QuickSmith",msg);
}
ampObj.noise_r = RFi;
ampObj.noise_m = cfimag;
ampObj.noise_q = GOANG;
}