static void Main()
{
string resourceName = "VST2";
string filePath = Path.GetFullPath(@"Support Files\80211a_20M_48Mbps.tdms");
GenerationType genType = GenerationType.Continuous;
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
InstrumentConfiguration instrConfig = InstrumentConfiguration.GetDefault();
instrConfig.CarrierFrequency_Hz = 2e9;
ConfigureInstrument(nIRfsg, instrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
DownloadWaveform(nIRfsg, waveform);
switch (genType)
{
// For continous generation, we can simply call this function to begin the generation
case GenerationType.Continuous:
ConfigureContinuousGeneration(nIRfsg, waveform);
break;
// For bursted generation, we need to configure the duty cycle and PA control
case GenerationType.Bursted:
WaveformTimingConfiguration dynamicConfig = new WaveformTimingConfiguration
{
DutyCycle_Percent = 20,
PreBurstTime_s = 500e-9,
PostBurstTime_s = 500e-9,
BurstStartTriggerExport = "PXI_Trig0"
};
PAENConfiguration paenConfig = new PAENConfiguration
{
PAEnableMode = PAENMode.Dynamic,
PAEnableTriggerExportTerminal = "PFI0",
PAEnableTriggerMode = RfsgMarkerEventOutputBehaviour.Toggle,
CommandEnableTime_s = 0,
CommandDisableTime_s = 0,
};
ConfigureBurstedGeneration(nIRfsg, waveform, dynamicConfig, paenConfig, out _, out _);
break;
}
nIRfsg.Initiate();
Console.WriteLine("Generation has now begun. Press any key to abort generation and close the example.");
Console.ReadKey();
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
}
public void InitializeParameters()
{
//shared Parameters
resourceName = "5840";
centerFrequency = 5.18e9; //Hz
filePath = @"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\80211ax_80M_MCS11.tdms";
signalStringSpecan = "specanSig0";
signalStringWlan = "wlanSig0";
resultStringSpecan = "specanResult0";
resultStringWlan = "wlanResult0";
//Generator Configuration
sgInstrConfig = InstrumentConfiguration.GetDefault();
sgInstrConfig.CarrierFrequency_Hz = centerFrequency;
sgInstrConfig.DutAverageInputPower_dBm = -10.0;
sgInstrConfig.ExternalAttenuation_dB = 0;
// Analyzer Configuration
saInstrConfig = SA.RFmxInstr.InstrumentConfiguration.GetDefault();
saCommonConfig = SA.CommonConfiguration.GetDefault();
saCommonConfig.ExternalAttenuation_dB = 0;
saCommonConfig.CenterFrequency_Hz = centerFrequency;
saCommonConfig.ReferenceLevel_dBm = 0.0;
saAutolevelConfig = SA.AutoLevelConfiguration.GetDefault();
saAutolevelConfig.Enabled = true;
ampmConfigurationSpecAn = SA.RFmxSpecAn.AmpmConfiguration.GetDefault();
ampmConfigurationSpecAn.DutAverageInputPower_dBm = sgInstrConfig.DutAverageInputPower_dBm;
// WLAN Configuration
wlanStandardConfig = SA.RFmxWLAN.StandardConfiguration.GetDefault();
wlanStandardConfig.ChannelBandwidth_Hz = 80e6; // Hz
wlanStandardConfig.Standard = RFmxWlanMXStandard.Standard802_11ax;
modAccConfig = SA.RFmxWLAN.OFDMModAccConfiguration.GetDefault();
semConfig = SA.RFmxWLAN.SEMConfiguration.GetDefault();
//Methods Configuration
commonConfigurationDpd = Methods.RFmxDPD.CommonConfiguration.GetDefault();
commonConfigurationDpd.DutAverageInputPower_dBm = sgInstrConfig.DutAverageInputPower_dBm;
memoryPolynomialConfiguration = Methods.RFmxDPD.MemoryPolynomialConfiguration.GetDefault();
memoryPolynomialConfiguration.NumberOfIterations = 1;
EnableDpd = true;
preDpdCrestFactorReductionConfig = Methods.RFmxDPD.PreDpdCrestFactorReductionConfiguration.GetDefault();
preDpdCrestFactorReductionConfig.Enabled = RFmxSpecAnMXDpdPreDpdCfrEnabled.False;
applyDpdCrestFactorReductionConfig = Methods.RFmxDPD.ApplyDpdCrestFactorReductionConfiguration.GetDefault();
applyDpdCrestFactorReductionConfig.Enabled = RFmxSpecAnMXDpdApplyDpdCfrEnabled.False;
}
/// <summary>
/// This example illustrates how to use RFSG drivers to generate a bursted or continuous waveform.
/// </summary>
static void Main()
{
string resourceName = "5840";
string filePath = Path.GetFullPath(@"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\NR_FR1_UL_1x100MHz_30kHz-SCS_256QAM_OS4_VST2_1ms.tdms");
//string filePath = Path.GetFullPath(@"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\LTE_FDD_UL_1x20MHz_256QAM_OS4.tdms");
//string filePath = Path.GetFullPath(@"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\80211ax_80M_MCS11.tdms");
GenerationType genType = GenerationType.Continuous;
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
InstrumentConfiguration instrConfig = InstrumentConfiguration.GetDefault();
instrConfig.CarrierFrequency_Hz = 3.5e9;
ConfigureInstrument(nIRfsg, instrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
DownloadWaveform(nIRfsg, waveform);
switch (genType)
{
// For continous generation, we can simply call this function to begin the generation
case GenerationType.Continuous:
ConfigureContinuousGeneration(nIRfsg, waveform, "PXI_Trig0");
break;
// For bursted generation, we need to configure the duty cycle and PA control
case GenerationType.Bursted:
WaveformTimingConfiguration dynamicConfig = WaveformTimingConfiguration.GetDefault();
PAENConfiguration paenConfig = PAENConfiguration.GetDefault();
ConfigureBurstedGeneration(nIRfsg, waveform, dynamicConfig, paenConfig, out _, out _);
break;
}
nIRfsg.Initiate();
Console.WriteLine("Generation has now begun. Press any key to abort generation and close the example.");
Console.ReadKey();
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
}
public void InitializeParameters()
{
//shared Parameters
resourceName = "5840";
centerFrequency = 5.18e9; //Hz
filePath = @"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\80211ax_80M_MCS11.tdms";
signalStringSpecan = "specanSig0";
signalStringWlan = "wlanSig0";
resultStringSpecan = "specanResult0";
resultStringWlan = "wlanResult0";
//Generator Configuration
sgInstrConfig = InstrumentConfiguration.GetDefault();
sgInstrConfig.CarrierFrequency_Hz = centerFrequency;
sgInstrConfig.DutAverageInputPower_dBm = -10.0;
sgInstrConfig.ExternalAttenuation_dB = 0;
paEnableTiming = WaveformTimingConfiguration.GetDefault();
paenConfig = SG.PAENConfiguration.GetDefault();
// Analyzer Configuration
saInstrConfig = SA.RFmxInstr.InstrumentConfiguration.GetDefault();
saCommonConfig = SA.CommonConfiguration.GetDefault();
saCommonConfig.ExternalAttenuation_dB = 0;
saCommonConfig.CenterFrequency_Hz = centerFrequency;
saCommonConfig.ReferenceLevel_dBm = 0.0;
saAutolevelConfig = SA.AutoLevelConfiguration.GetDefault();
saAutolevelConfig.Enabled = true;
ampmConfigurationSpecAn = SA.RFmxSpecAn.AmpmConfiguration.GetDefault();
ampmConfigurationSpecAn.DutAverageInputPower_dBm = sgInstrConfig.DutAverageInputPower_dBm;
// WLAN Configuration
wlanStandardConfig = SA.RFmxWLAN.StandardConfiguration.GetDefault();
wlanStandardConfig.ChannelBandwidth_Hz = 80e6; // Hz
wlanStandardConfig.Standard = RFmxWlanMXStandard.Standard802_11ax;
modAccConfig = SA.RFmxWLAN.OFDMModAccConfiguration.GetDefault();
semConfig = SA.RFmxWLAN.SEMConfiguration.GetDefault();
}
public void InitializeParameters()
{
resourceName = "5840";
filePath = Path.GetFullPath(@"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\80211ax_80M_MCS11.tdms");
centerFrequency = 3.5e9;
Coupling_dB = 33;
paOutputPower_dBm = 5;
designedAccuracy_dB = 0.1;
paGain_dB = 0;
minimumSteps = 1;
maximumSteps = 5;
servoFailed = true;
instrConfig = InstrumentConfiguration.GetDefault();
instrConfig.CarrierFrequency_Hz = centerFrequency;
instrConfig.DutAverageInputPower_dBm = paOutputPower_dBm - paGain_dB;
powerMeterResourceName = "COM3";
commonConfiguration = PowerMeter.CommonConfiguration.GetDefault();
commonConfiguration.Frequency = centerFrequency;
}
static void Main()
{
#region Configure Generation
string resourceName = "VST2";
string filePath = Path.GetFullPath(@"Support Files\80211a_20M_48Mbps.tdms");
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
InstrumentConfiguration instrConfig = InstrumentConfiguration.GetDefault();
instrConfig.CarrierFrequency_Hz = 2.412e9;
ConfigureInstrument(nIRfsg, instrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
DownloadWaveform(nIRfsg, waveform);
WaveformTimingConfiguration timing = new WaveformTimingConfiguration
{
DutyCycle_Percent = 60,
PreBurstTime_s = 1e-9,
PostBurstTime_s = 1e-9,
BurstStartTriggerExport = "PXI_Trig0"
};
PAENConfiguration paenConfig = new PAENConfiguration
{
PAEnableMode = PAENMode.Dynamic,
PAEnableTriggerExportTerminal = "PFI0",
PAEnableTriggerMode = RfsgMarkerEventOutputBehaviour.Toggle
};
ConfigureBurstedGeneration(nIRfsg, waveform, timing, paenConfig, out double period, out _);
nIRfsg.Initiate();
#endregion
RFmxInstrMX instr = new RFmxInstrMX("VST2", "");
RFmxWlanMX wlan = instr.GetWlanSignalConfiguration();
instr.GetWlanSignalConfiguration();
CommonConfiguration commonConfiguration = CommonConfiguration.GetDefault();
commonConfiguration.CenterFrequency_Hz = 2.412e9;
AutoLevelConfiguration autoLevel = new AutoLevelConfiguration
{
AutoLevelMeasureTime_s = period,
AutoLevelReferenceLevel = true
};
SA.RFmxWLAN.ConfigureCommon(instr, wlan, commonConfiguration, autoLevel);
SignalConfiguration signal = SignalConfiguration.GetDefault();
signal.AutoDetectSignal = false;
signal.ChannelBandwidth_Hz = 20e6;
signal.Standard = RFmxWlanMXStandard.Standard802_11ag;
SA.RFmxWLAN.ConfigureSignal(wlan, signal);
TxPConfiguration txpConfig = new TxPConfiguration
{
AveragingCount = 10,
MaximumMeasurementInterval_s = waveform.BurstLength_s,
AveragingEnabled = RFmxWlanMXTxpAveragingEnabled.True
};
SA.RFmxWLAN.ConfigureTxP(wlan, txpConfig);
OFDMModAccConfiguration modAccConfig = OFDMModAccConfiguration.GetDefault();
modAccConfig.OptimizeDynamicRangeForEvmEnabled = RFmxWlanMXOfdmModAccOptimizeDynamicRangeForEvmEnabled.False;
modAccConfig.AveragingEnabled = RFmxWlanMXOfdmModAccAveragingEnabled.True;
SA.RFmxWLAN.ConfigureOFDMModAcc(wlan, modAccConfig);
TxPServoConfiguration servoConfig = TxPServoConfiguration.GetDefault();
servoConfig.TargetTxPPower_dBm = 0.5;
SA.RFmxWLAN.TxPServoPower(wlan, nIRfsg, servoConfig, autoLevel);
SEMConfiguration semConfig = SEMConfiguration.GetDefault();
SA.RFmxWLAN.ConfigureSEM(wlan, semConfig);
wlan.Initiate("", "");
TxPResults txpRes = SA.RFmxWLAN.FetchTxP(wlan);
OFDMModAccResults modAccResults = SA.RFmxWLAN.FetchOFDMModAcc(wlan);
SEMResults semResults = SA.RFmxWLAN.FetchSEM(wlan);
Console.WriteLine("TXP Avg Power: {0:N}", txpRes.AveragePowerMean_dBm);
Console.WriteLine("Composite RMS EVM (dB): {0:N}", modAccResults.CompositeRMSEVMMean_dB);
Console.WriteLine("\n----------Lower Offset Measurements----------\n");
for (int i = 0; i < semResults.LowerOffsetMargin_dB.Length; i++)
{
Console.WriteLine("Offset {0}", i);
Console.WriteLine("Measurement Status :{0}",
semResults.lowerOffsetMeasurementStatus[i]);
Console.WriteLine("Margin (dB) :{0}", semResults.LowerOffsetMargin_dB[i]);
Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.LowerOffsetMarginFrequency_Hz[i]);
Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.LowerOffsetMarginAbsolutePower_dBm[i]);
}
Console.WriteLine("\n----------Upper Offset Measurements----------\n");
for (int i = 0; i < semResults.UpperOffsetMargin_dB.Length; i++)
{
Console.WriteLine("Offset {0}", i);
Console.WriteLine("Measurement Status :{0}", semResults.upperOffsetMeasurementStatus[i]);
Console.WriteLine("Margin (dB) :{0}", semResults.UpperOffsetMargin_dB[i]);
Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.UpperOffsetMarginFrequency_Hz[i]);
Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.UpperOffsetMarginAbsolutePower_dBm[i]);
}
Console.WriteLine("\n--------------------\n\nPress any key to exit.");
Console.ReadKey();
wlan.Dispose();
instr.Close();
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
}
/// <summary>
/// This example illustrates how to use RFSG drivers and envelope tracking APIs to configure envelope tracking.
/// </summary>
static void Main(string[] args)
{
#region Example Settings
// Select mode for use in the example
EnvelopeMode mode = EnvelopeMode.Detrough;
string waveformPath = @"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\LTE_FDD_DL_1x20MHz_TM11_OS4.tdms";
#endregion
#region Configure RF Generator
// Initialize instrument sessions
NIRfsg rfVsg = new NIRfsg("5840", true, false);
// Load up waveform
Waveform rfWfm = LoadWaveformFromTDMS(waveformPath);
// Configure RF generator
InstrumentConfiguration rfInstrConfig = InstrumentConfiguration.GetDefault();
ConfigureInstrument(rfVsg, rfInstrConfig);
DownloadWaveform(rfVsg, rfWfm);
ConfigureContinuousGeneration(rfVsg, rfWfm);
#endregion
#region Configure Tracker Generator
NIRfsg envVsg = new NIRfsg("5820", true, false);
// Configure envelope generator
EnvelopeGeneratorConfiguration envInstrConfig = EnvelopeGeneratorConfiguration.GetDefault();
TrackerConfiguration trackerConfig = TrackerConfiguration.GetDefault();
ConfigureEnvelopeGenerator(envVsg, envInstrConfig, trackerConfig);
Waveform envWfm = new Waveform();
switch (mode)
{
case EnvelopeMode.Detrough:
// Create envelope waveform
DetroughConfiguration detroughConfig = DetroughConfiguration.GetDefault();
detroughConfig.MinimumVoltage_V = 1.5;
detroughConfig.MaximumVoltage_V = 3.5;
detroughConfig.Exponent = 1.2;
detroughConfig.Type = DetroughType.Exponential;
envWfm = CreateDetroughEnvelopeWaveform(rfWfm, detroughConfig);
break;
case EnvelopeMode.LUT:
LookUpTableConfiguration lutConfig = new LookUpTableConfiguration
{
DutAverageInputPower_dBm = rfInstrConfig.DutAverageInputPower_dBm
};
// Todo - initialize lookup table
envWfm = CreateLookUpTableEnvelopeWaveform(rfWfm, lutConfig);
break;
}
ScaleAndDownloadEnvelopeWaveform(envVsg, envWfm, trackerConfig);
ConfigureContinuousGeneration(envVsg, envWfm, "PFI0");
#endregion
// Start envelope tracking
SynchronizationConfiguration syncConfig = SynchronizationConfiguration.GetDefault();
InitiateSynchronousGeneration(rfVsg, envVsg, syncConfig);
// Wait until user presses a button to stop
Console.WriteLine("Press any key to abort envelope tracking..");
Console.ReadKey();
AbortGeneration(envVsg);
AbortGeneration(rfVsg);
// Close instruments
rfVsg.Close();
envVsg.Close();
}
