public static void TxPassbandSweepTxNCO([Values(Mykonos.TXCHANNEL.TX1, Mykonos.TXCHANNEL.TX2)] Mykonos.TXCHANNEL channel, [Values(2500, 2500)] double deltaF_kHz)
{
AdiCommandServerClient Link = AdiCommandServerClient.Instance;
Link.hw.Connect(TestSetupConfig.ipAddr, TestSetupConfig.port);
SA_AgilentPXA pxa = new SA_AgilentPXA(measEquipment.PXAAddress);
NumberStyles style = NumberStyles.AllowExponent | NumberStyles.Number;
double spanMhz;
int numSteps = 0;
double txIqDataRate_MHz = 0;
double freqTxLo_MHz = 0;
double profileBandwidth_MHz = 0;
double toneOffsetFreq_Mhz = 0;
double offsetFreq_Hz = 0;
double testRfFreq_MHz = 0;
try
{
//Enable the Transmitter Path
Link.Mykonos.radioOn();
//Profile Information
txIqDataRate_MHz = (double)(settings.txProfileData.IqRate_kHz) / 1000;
freqTxLo_MHz = (double)(settings.txPllLoFreq_Hz) / 1000000;
profileBandwidth_MHz = (double)settings.txProfileData.PrimarySigBw_Hz;
numSteps = (int)(txIqDataRate_MHz / (deltaF_kHz / 1000.0));
spanMhz = txIqDataRate_MHz;
//Define Data Array for storing Fundamental Amplitue, LoLeakage and ImageAmplitude
double[,] fundAmpXY = new double[numSteps, 2];
double[,] loLeakageXY = new double[numSteps, 2];
double[,] imageAmpXY = new double[numSteps, 2];
pxa.SysPreset();
pxa.SetRBW_VBW(30, 30);
pxa.SetCenterSpan(freqTxLo_MHz, 200, 0);
pxa.SetAtten(20);
pxa.SetMarker(2, freqTxLo_MHz); //LO leakage marker
double peakAmp_dBm = 0;
double peakFreq_Mhz = 0;
double deltaF = txIqDataRate_MHz / numSteps;
double fundAmp = 0;
double loLeakage = 0;
double imageAmp = 0;
Console.Write(numSteps + 1);
for (int i = 0; (i < numSteps); i++)
{
toneOffsetFreq_Mhz = (-0.5 * txIqDataRate_MHz) + ((deltaF_kHz / 1000.0) * i);
offsetFreq_Hz = toneOffsetFreq_Mhz * 1000000;
testRfFreq_MHz = freqTxLo_MHz + offsetFreq_Hz / 1000000;
Link.Mykonos.enableTxNco(1, (int)(toneOffsetFreq_Mhz * 1000), (int)(toneOffsetFreq_Mhz * 1000));
System.Threading.Thread.Sleep(500);
//pxa.HoldAverage(10);
pxa.MeasPeakPower(ref peakAmp_dBm, ref peakFreq_Mhz);
//Set PXA Markers
/* for this to work, NCO freq set must be rastered to its actual frequency in the chip */
//pxa.SetMarker(3, freqTxLo_MHz - (freqTxLo_MHz - peakFreq_Mhz)); //Image marker
//pxa.SetMarker(1, testRfFreq_MHz); //Fundamental amplitue marker
//fundAmp = Double.Parse(pxa.GetMarker(1), style);
//loLeakage = Double.Parse(pxa.GetMarker(2), style);
//imageAmp = Double.Parse(pxa.GetMarker(3), style);
//TODO: Marker 3 does not always sit on the image, sometimes its off a bin or so and measures incorrectly.
pxa.SetMarker(3, (freqTxLo_MHz - ((peakFreq_Mhz / 1000000.0) - freqTxLo_MHz))); //Image marker
fundAmp = peakAmp_dBm;
loLeakage = Double.Parse(pxa.GetMarker(2), style);
imageAmp = Double.Parse(pxa.GetMarker(3), style);
fundAmpXY[i, 0] = toneOffsetFreq_Mhz;
fundAmpXY[i, 1] = fundAmp;
loLeakageXY[i, 0] = toneOffsetFreq_Mhz;
loLeakageXY[i, 1] = loLeakage;
imageAmpXY[i, 0] = toneOffsetFreq_Mhz;
imageAmpXY[i, 1] = imageAmp;
if ((toneOffsetFreq_Mhz > -1) && (toneOffsetFreq_Mhz < 1))
{
Console.WriteLine("Bypass:"******"Fundamental Amplitude (dBm)" + i + ": " + toneOffsetFreq_Mhz + ": " + fundAmp);
Console.WriteLine("LO Leakage (dBm)" + toneOffsetFreq_Mhz + ": " + loLeakage);
Console.WriteLine("Image Amplitude (dBm)" + toneOffsetFreq_Mhz + ": " + imageAmp);
Console.WriteLine("Image Amplitude (dBc)" + toneOffsetFreq_Mhz + ": " + (fundAmp - imageAmp));
#endif
}
Link.Disconnect();
//Graph Data and Save in PDF Form
var doc1 = new Document();
string path = TxRfTests.ResPath + "TxPassbandSweepTxNco";
string[] pcbInfo;
iTextSharp.text.Image[] container = new iTextSharp.text.Image[3];
string[] fundAmpLabels = new string[] { "Fundamental Amplitude Versus Offset Tone Frequency (from LO)",
"Offset Tone Frequency (MHz)",
"Amplitude (dBm)",
"Trace Amplitude" };
string[] loLeakageLabels = new string[] { "LO Leakage Versus Offset Tone Frequency",
"Offset Tone Frequency (MHz)",
"Amplitude (dBm)",
"Trace Amplitude" };
string[] imageAmpLabels = new string[] { "Image Amplitude Versus Offset Tone Frequency",
"Offset Tone Frequency (MHz)",
"Amplitude (dBm)",
"Trace Amplitude" };
pcbInfo = Helper.PcbInfo();
Console.Write(fundAmpXY[48, 0]);
container[0] = Helper.MakeChartObject(fundAmpXY, fundAmpLabels, path);
container[1] = Helper.MakeChartObject(loLeakageXY, loLeakageLabels, path);
container[2] = Helper.MakeChartObject(imageAmpXY, imageAmpLabels, path);
Helper.AddAllChartsToPdf(container, path + ".pdf", pcbInfo);
//Open Result PDF
System.Diagnostics.Process.Start(path + ".pdf");
//Check Min Max Fund Amplitudes are within +/-0.5db of each other.
var MinFundAmp = System.Linq.Enumerable.Range(15, 30).Select(i => fundAmpXY[i, 1]).Min();
var MaxFundAmp = System.Linq.Enumerable.Range(15, 30).Select(i => fundAmpXY[i, 1]).Max();
Console.WriteLine("MinFundAmp: " + MinFundAmp);
Console.WriteLine("MaxFundAmp: " + MaxFundAmp);
Console.WriteLine("MaxDiffFundAmp: " + (MaxFundAmp - MinFundAmp));
NUnit.Framework.Assert.IsTrue((MaxFundAmp - MinFundAmp) < 1.0);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}