Ivi.RFSigGen.Interop IVI RFSigGen class-compliant root interface Opens the I/O session to the instrument. Driver methods and properties that access the instrument are only accessible after Initialize is called. Initialize optionally performs a Reset and queries the instrument to validate the instrument model. An IVI logical name or an instrument specific string that identifies the address of the instrument, such as a VISA resource descriptor string. Specifies whether to verify the ID of the instrument. Specifies whether to reset the instrument. The user can use the OptionsString parameter to specify the initial values of certain IVI inherent attributes for the session. The format of an assignment in the OptionsString parameter is "Name=Value", where Name is one of: RangeCheck, QuerytInstrStatus, Cache, Simulate, RecordCoercions, InterchangeCheck, or DriverSetup. Value is either true or false except for DriverSetup. If the Options String parameter contains an assignment for the Driver Setup attribute, the Initialize function assumes that everything following "DriverSetup=" is part of the assignment. Closes the I/O session to the instrument. Driver methods and properties that access the instrument are not accessible after Close is called. Sends a software trigger, which will cause the signal generator to start signal generation. Pointer to the IIviDriverOperation interface Pointer to the IIviDriverIdentity interface Pointer to the IIviDriverUtility interface Initialized is True between a successful call to the Initialize method and a successful call to the Close method, and False at all other times. Pointer to the class-compliant IIviRFSigGenRF interface Pointer to the class-compliant IIviRFSigGenALC interface Pointer to the class-compliant IIviRFSigGenLFGenerator interface Pointer to the class-compliant IIviRFSigGenPulseGenerator interface Pointer to the class-compliant IIviRFSigGenSweep interface Pointer to the class-compliant IIviRFSigGenReferenceOscillator interface Pointer to the class-compliant IIviRFSigGenAnalogModulation interface Pointer to the class-compliant IIviRFSigGenPulseModulation interface Pointer to the class-compliant IIviRFSigGenDigitalModulation interface Pointer to the class-compliant IIviRFSigGenIQ interface IVI RFSigGen class-compliant RF interface This function configures the frequency and the power level of the RF output signal. Specifies the frequency of the generated RF signal. This value sets the Frequency property Specifies the power level of the generated RF signal. This value sets the Level property This function queries the state of the RF output signal. Returns True if the output signal is in settled, False otherwise. This function returns if the state of the RF output signal has settled. Defines the maximum time the function waits for the output to be settled. The units are milliseconds. This function disables all currently enabled modulations. Specifies the frequency of the generated RF output signal. Specifies the amplitude (power/level) of the RF output signal. Enables or disables the RF output signal. IVI RFSigGen class-compliant Automatic Level Control (ALC) interface This function configures the ALC (Automatic Level Control) of the signal generator's RF output. This value sets the ALC.Source property. This value sets the ALC.Bandwidth property Specifies the ALC (Automatic Level Control) source. Specifies the ALC (Automatic Level Control) bandwidth. Enables or disables the Automatic Level Control (ALC). IVI RFSigGen class-compliant LF generator interface This function configures the LF generator output frequency and waveform. Specifies the frequency of the LF generator. This value sets the LFGenerator Frequency property Specifies the waveform of the LF generator. This value sets the LFGenerator Waveform property. Pointer to the class-compliant IIviRFSigGenLFGeneratorOutput interface Specifies the frequency of the active LF generator. Specifies the waveform of the active LF generator. Selects the generator that is used as the modulating signal or for LF output. Returns the number of LF generators. Returns the LF generator name for a given index. Returns the LF generator name for a given index. One base index into the collection of LF generators. Retrives names of LF generators. One base index into the collection of LF generators. The name of a particular LF Generator. IVI RFSigGen class-compliant LF generator output interface This function configures the attributes of the LF generator output (within the RF signal generator). Specifies the output voltage of the LF generator output signal. This value sets the LFGenerator Output Amplitude property. Specifies whether the LF generator applies a signal to the output. This value sets the LFGenerator Output Enabled property. Enables or disables the external LF generator output. Specifies the output voltage of the LF generator. IVI RFSigGen class-compliant pulse generator interface This function configures the pulse generator within the RF signal generator. Specifies the source of the signal the pulse generator uses to generate one pulse. This value sets the Pulse Trigger Source property. Specifies the width of the output pulse. This value sets the Pulse Width property. Enables or disables gating. This value sets the Pulse Gating Enabled property. This function configures the external trigger for the pulse generator. Specifies the polarity of the trigger input to start one pulse. This value sets the Pulse External Trigger Slope property. Specifies the delay for starting the output pulse with respect to the trigger input. This value sets the Pulse External Trigger Delay property. Pointer to the class-compliant IIviRFSigGenPulseGeneratorDouble interface Pointer to the class-compliant IIviRFSigGenPulseGeneratorOutput interface Specifies the period of the pulse generator's output signal. Specifies the width of the output pulse. Enables or disables trigger gating. Specifies the source of the signal the pulse generator uses to generate one pulse. Specifies whether the event occurs on the rising or falling edge of the trigger input signal. Specifies the delay for starting the output signal with respect to the trigger input. IVI RFSigGen class-compliant pulse double generator interface This function configures the double pulse state and delay. Enables or disables double pulse mode. This value sets the Pulse Double Enabled property. Specifies the delay of the second pulse. This value sets the Pulse Double Delay property. Turns double pulse mode on/off. Specifies the delay of the second pulse. IVI RFSigGen class-compliant pulse generator output interface This function configures the output and polarity of the pulse generator. Specifies the polarity of the output signal. This value sets the Pulse Output Polarity property. Enables or disables the external output of the pulse generator. This value sets the Pulse Output Enabled property. Specifies the polarity of the output signal. Enables or disables the pulse generator external output. IVI RFSigGen class-compliant sweep interface This function configures the signal generator whether the RF output signal is a continuous wave or the frequency, the power level or both are swept or stepped. Specifies the sweep mode of the RF signal generator. This value sets the Sweep Mode property. Specifies the way to start the sweep or running it continuously. This value sets the Sweep Trigger Source property. Pointer to the class-compliant IIviRFSigGenFrequencySweep interface Pointer to the class-compliant IIviRFSigGenPowerSweep interface Pointer to the class-compliant IIviRFSigGenFrequencyStep interface Pointer to the class-compliant IIviRFSigGenPowerStep interface Pointer to the class-compliant IIviRFSigGenList interface Specifies whether the RF output signal is a continuous wave or the frequency, the power level or both are swept or stepped. Specifies the way to start the sweep or run the sweep continuously. IVI RFSigGen class-compliant frequency sweep interface This function configures the center frequency and the frequency span for the sweep. Specifies the center frequency of the sweep. This value, along with the Span parameter, sets the Frequency Sweep Start and Frequency Sweep Stop properties. Specifies the frequency span of the sweep. This value, along with the Center paraemter, sets the Frequency Sweep Start and Frequency Sweep Stop properties. This function configures the start and the stop frequency for the sweep. Specifies the start frequency of the sweep. This value sets the Frequency Sweep Start property. Specifies the stop frequency of the sweep. This value sets the Frequency Sweep Stop property. Specifies the start frequency of the sweep. Specifies the stop frequency of the sweep. Specifies the duration of one sweep from start to stop frequency. IVI RFSigGen class-compliant power sweep interface This function configures the start and the stop power for the sweep. Specifies the start power of the sweep. This value sets the Power Sweep Start property. Specifies the stop power of the sweep. This value sets the Power Sweep Stop property. Specifies the start power of the sweep. Specifies the stop power of the sweep. Specifies the duration of one sweep from start to stop power. IVI RFSigGen class-compliant frequency step interface This function configures the attributes that control the step frequencies of the generator's RF output signal. Specifies the start frequency of the step sweep. This value sets the Frequency Step Start property. Specifies the stop frequency of the step sweep. This value sets the Frequency Step Stop property. Specifies the scaling of the step sweep. This value sets the Frequency Step Scaling property. Specifies the size of one step. This value sets the Frequency Step Size property. This function configures the attributes that control the stepping. Specifies whether the trigger initiates the next step. This value sets the Frequency Step Single Step Enabled property. Specifies the duration of one frequency step. This value sets the Frequency Step Dwell property. This function resets the stepping if single step is enabled. Specifies the start frequency of the stepped sweep. Specifies the stop frequency of the stepped sweep. Specifies the spacing of the steps. Specifies the step size. Turns single step on/off. Specifies the duration of one step. IVI RFSigGen class-compliant power step interface This function configures the attributes that control the power steps of the generator's RF output signal. Specifies the start power of the stepping. This value sets the PowerStep Start property. Specifies the stop power of the stepping. This value sets the Power Step Stop property. Specifies the size of one step. This value sets the Power Step Size property. This function configures the attributes that control the stepping. Specifies whether the trigger initiates the next step. This value sets the Power Step Single Step Enabled property. Specifies the duration of one power step. This value sets the Power Step Dwell property. This function resets the stepping if single step is enabled. Specifies the start power of the stepped sweep. Specifies the stop power of the stepped sweep. Specifies the step size. Turns single step on/off. Specifies the duration of one step. IVI RFSigGen class-compliant sweep list interface This function configures the attributes that control the stepping. Specifies whether the trigger initiates transitions to the next list step. This value sets the List Single Step Enabled property. Specifies the duration of one list step. This value sets the List Dwell property. This function deletes all lists from the pool of lists. This function creates a named list of frequency values. Specifies the name of the list to be created. Specifies the array of frequency values to become elements of the list. The units are Hertz. This function creates a named list of power values. Specifies the name of the list to be created. Specifies the array of power values to become elements of the list. The units are dBm. This function creates a named list of frequency and power value pairs. Specifies the name of the list to be created. Specifies the array of frequency values to become elements of the list. The units are Hertz. Specifies the array of power values to become elements of the list. The units are dBm. This function resets the stepping if single step is enabled. Turns single step on/off. Specifies the duration of one step. Specifies the name of the selected list to become active. IVI RFSigGen class-compliant reference oscillator interface This function configures the signal generator's reference oscillator. Specifies source of reference frequency signal. This value sets the Reference Oscillator Source property. Specifies the frequency of the external reference oscillator. This parameter is only used if the Source is set to External. This value sets the Reference Oscillator Frequency property. Specifies the reference oscillator source. Specifies the frequency of the external signal, which is used as reference for internal RF frequency generation. IVI RFSigGen class-compliant analog modulation interface Pointer to the class-compliant IIviRFSigGenAM interface Pointer to the class-compliant IIviRFSigGenFM interface Pointer to the class-compliant IIviRFSigGenPM interface Pointer to the class-compliant IIviRFSigGenAnalogModulationSource interface IVI RFSigGen class-compliant analog modulation interface This function configures the attributes that control the signal generator's amplitude modulation. Specifies the source of the signal that the signal generator uses to modulate the output signal. This value sets the AM Source property. Specifies the scaling of the modulation. This value sets the AM Scaling property. Specifies the extent of modulation. The driver uses this value to set the AM Depth attribute. See the attribute description for more details. Specifies the source of the signal that is used as the modulating signal. Specifies linear or logarithmic attenuation for amplitude modulation. Specifies the extent of modulation the signal generator applies to the RF-signal. Returns the voltage at which the instrument achieves the amount of modulation specified by the AM Depth attribute. Specifies whether the signal generator enables or disables amplitude modulation of the RF output signal. Specifies the coupling of the external source of the modulating signal. IVI RFSigGen class-compliant frequency modulation interface This function configures the attributes that control the signal generator's frequency modulation. Specifies the modulating source. This value sets the FM Source propety. Specifies the extent of modulation. This value sets the FM Deviation property. Specifies the source of the signal that is used as the modulating signal. Specifies the extent of modulation (peak frequency deviation) the signal generator applies to the RF-signal. Returns the voltage at which the instrument achieves the amount of modulation specified by the FM Deviation attribute. Specifies whether the signal generator enables or disables frequency modulation of the RF output signal. Specifies the coupling of the external source of the modulating signal. IVI RFSigGen class-compliant phase modulation interface This function configures the attributes that control the signal generator's phase modulation. Specifies the source of the signal the signal generator uses to modulate the output signal. This value sets the PM Source property. Specifies the extent of modulation. This value sets the PM Deviation property. Specifies the source of the signal that is used as the modulating signal. Specifies the extent of modulation (peak phase deviation) the signal generator applies to the RF-signal. Returns the voltage at which the instrument achieves the amount of modulation specified by the PM Deviation attribute. Specifies whether the signal generator enables or disables phase modulation of the RF output signal. Specifies the coupling of the external source of the modulating signal. IVI RFSigGen class-compliant modulation source interface Specifies how many modulation sources are available. Returns the name of a particular modulation source. Returns the name of a particular modulation source. One base index into the collection of modulation sources. Retrives names of modulation sources. One base index into the collection of modulation sources. The name of a particular modulation source. IVI RFSigGen class-compliant pulse modulation interface Enables or disables pulse modulation of the RF output signal. Specifies the source of the signal that is used as the modulating signal. Specifies the polarity of the external source signal. IVI RFSigGen class-compliant digital modulation interface Pointer to the class-compliant IIviRFSigGenArb interface Pointer to the class-compliant IIviRFSigGenDigitalModulationBase interface Pointer to the class-compliant IIviRFSigGenTDMA interface Pointer to the class-compliant IIviRFSigGenCDMA interface IVI RFSigGen class-compliant ARB generator interface This function configures the ARB generator. This value sets the Arb Clock Frequency property. This value sets the Arb Filter Frequency property. This function stores the waveform in the driver's or instrument's memory. The driver uses this value to name the stored waveform. The values in this array are the I part of the waveform . The voltages are normalized to {-1, +1} to the full I range. The values in this array are the Q part of the waveform . The voltages are normalized to {-1, +1} to the full Q range. The value is set to True if more data is coming. To complete the waveform, the next data shall have the same name. False means the waveform has no more data to come. This function deletes all waveforms from the pool of waveforms. This function returns the capabilities of the ARB generator. Returns the Arb Max Number Waveforms property. Returns the Arb Waveform Quantum property. Returns the Arb Min Waveform Size property. Returns the Arb Max Waveform Size property. Specifies the selected waveform from the pool of available waveforms. Specifies the sample frequency. Specifies the cut off frequency of the low pass filter. Specifies the maximum number of waveforms the instrument can hold in memory. The waveform length must be a multiple of this quantum. The waveform length must be equal or greater than min size. The waveform length must be equal or less than max size. Specifies the trigger source for the ARB waveform. Specifies whether the trigger event occurs on the rising or falling edge of the input signal. IVI RFSigGen class-compliant digital modulation base interface This function configures the clock source. This value sets the DigitalModulationBase Clock Source property. Type is ignored if Source is set to Internal.This value sets the DigitalModulationBase External Clock Type property. This function writes the bit sequence used as data for the digital base modulation. The name of the stored bit sequence. The number of bits in the sequence. One char/byte has 8 bits, but the stream of bits doesn't end necessarily on byte boundaries. This array contains a stream of bits. The value is set to True if more data is comming. To complete the sequence, the next data shall have the same name. False means the waveform has no more data to come. This function deletes all named bit sequences. Returns the standard name for the given index. Returns the standard name for the given index. One based index into the list of standard names. Gets standard names. One based index into the list of standard names. The standard name for the given index. Returns the count of available standards for digital base modulation. Specifies the actual standard used by the instrument. Specifies the source of data for digital base modulation. Specifies the type of PRBS for digital base modulation. Specifies name of bit sequence used as data for digital modulation. Specifies the source of the clock signal used to generate the digital modulation according to the selected standard. Specifies the type of the external clock signal used to generate the digital modulation. IVI RFSigGen class-compliant TDMA base interface This function configures the clock source. This value sets the TDMA Clock Source property. Type is ignored if Source is set to Internal.This value sets the TDMA External Clock Type property. Returns the standard name for the given index. Returns the standard name for the given index. One based index into the list of standard names. Gets standard names. One based index into the list of standard names. The standard name for the given index. Returns the count of available standards for TDMA modulation. Specifies the actual standard used by the instrument. Returns the frame name for the given index. Gets frame names. One based index into the list of frame names. The frame name for the given index. Returns the count of available frame names. Specifies the actual frame/slot used by the instrument. Specifies the source of the trigger signal starting the generation of the frame/slot. Specifies whether the trigger event occurs on the rising or falling edge of the input signal. Specifies the source of the clock signal used to generate the digital modulation according to the selected standard. Specifies the type of the external clock signal used to generate the digital modulation. IVI RFSigGen class-compliant CDMA base interface Returns the standard name for the given index. Returns the standard name for the given index. One based index into the list of standard names. Gets standard names. One based index into the list of standard names. The standard name for the given index. Returns the count of available standards for CDMA modulation. Specifies the actual standard used by the instrument. Returns the selected test model name. (] Returns the selected test model name. (] One based index into the list of test model names. Gets test model names. One based index into the list of test model names. The test model name for the given index. Returns the count of available test models. Specifies the actual test model used by the instrument. Specifies the trigger source for starting the signal generation. Specifies whether the trigger event occurs on the rising or falling edge of the input signal. Specifies the source of the clock signal used to generate the digital modulation. IVI RFSigGen class-compliant IQ modulation interface This function configures the attributes that control the signal generator's IQ modulation. Specifies the modulation source. This value sets the Modulate IQ Source property. Specifies the swap state. True swaps I and Q inputs, the result is an invers phase rotation. This value sets the Modulate IQ Swap Enabled property. This function performs a calibration of the IQ modulator. Pointer to the class-compliant IIviRFSigGenIQImpairment interface Specifies the source of the signal that the signal generator uses for IQ modulation. Enables or disables the inverse phase rotation of the IQ signal by swapping the I and Q inputs. Returns the voltage at which the instrument achieves full modulation. Enables or disables IQ (vector) modulation of the RF output signal. IVI RFSigGen class-compliant IQ modulation impairment interface This function configures the attributes that simulate or correct impairment for the signal generator's IQ (vector) modulation. Specifies an offset to the I-path of IQ signals. This value sets the IQ I Offset property. Specifies an offset to the Q-path of IQ signals. This value sets the IQ Q Offset property. Specifies a gain imbalance to the IQ signals. This value sets the IQ Ratio property. Specifies an angle offset to the IQ signals. This value sets the IQ Skew property. Enables or disables impairment attributes. Specifies an origin offset voltage to the I signal. Specifies an origin offset voltage to the Q signal. Specifies the gain imbalance between the I and Q channels. Specifies the adjustment of the phase angle between the I and Q vectors. Values for the ALC source. The ALC is controlled by an internal measurement source. The ALC is controlled by an external voltage. Values for the LFGenerator waveform. Configures the LF generator to produce a sinusoidal waveform Configures the LF generator to produce a square waveform Configures the LF generator to produce a triangle waveform Configures the LF generator to produce a rising ramp waveform Configures the LF generator to produce a falling ramp waveform Values for the pulse output polarity. Specifies normal polarity. Specifies inverted polarity. Values for the pulse generator trigger source. No external trigger is used. The pulse period is specified with Pulse Internal Trigger Period. The pulse is started with a trigger after the delay time specified with Pulse External Trigger Delay. Values for the pulse generator external trigger slope. Enables rising edge triggering. Enables falling edge triggering. Values for the frequency step scaling mode. Enables linear scaling. Enables logarithmic scaling. Values for the sweep mode. The RF output of the signal generator is a non-swept signal (Continuous Wave). Frequency and power level settings from the base capability group are used. The signal generator sweeps the RF output signal's frequency in an analog form (non-stepped). Refer to IviRFSigGenFrequencySweep extension group. The signal generator sweeps the RF output signal's power in an analog form (non-stepped). Refer to IviRFSigGenPowerSweep extension group. The signal generator sweeps the RF output signal's frequency in steps. Refer to IviRFSigGenFrequencyStep extension group. The signal generator sweeps the RF output signal's power level in steps. Refer to IviRFSigGenPowerStep extension group. The signal generator uses two lists with frequency and power level values to sweep the RF output signal. Refer to IviRFSigGenList extension group. Values for the sweep trigger source. The sweep system does not wait for a trigger of any kind, so it is running continuously. The sweep is started with an external signal. The sweep is started with a software programmable trigger. Values for the reference oscillator source. The internal reference oscillator is used. An external reference oscillator is used. Values for the AM scaling mode. Enables linear attenuation for amplitude modulation. Enables logarithmic attenuation for amplitude modulation. Values for the AM external coupling. The external source is coupled for AC only. The external source is coupled for both DC and AC Values for the FM external coupling. The external source is coupled for AC only. The external source is coupled for both DC and AC Values for the PM external coupling. The external source is coupled for AC only. The external source is coupled for both DC and AC Values for the pulse modulation source. The internal pulse generator (IviRFSigGenPulseGenerator Extension Group) is used for modulation. An external generator is used for modulation. Values for the pulse modulation external polarity. The signal generator modulates the carrier signal with normal pulse polarity. Increasing the positive pulse voltage level results in higher RF level. The signal generator modulates the carrier signal with inverted pulse polarity. Increasing the positive pulse voltage level results in lower RF level. Values for the Arb generator trigger source. The Arb generator system does not wait for a trigger of any kind, so it is running continuously. The sweep is started with an external signal. The sweep is started with a software programmable trigger. Values for the Arb generator external trigger slope. Enables rising edge triggering. Enables falling edge triggering. Values for the digital modulation base clock source. The internal clock generator is used. An connected external clock generator (bit or symbol clock frequency) is used. Values for digital base modulation clock type. The external clock frequency is equal to the bit clock frequency of the digital modulation. The external clock frequency is equal to the symbol clock frequency of the digital modulation. Values for digital modulation base data source. The data from an external device connected to the instrument is used. The internal PRBS (Pseudo Random Binary Sequence) generator is used as data source. A constant bit sequence is used as data source and repeated continuously. Specifies the type of PRBS for digital base modulation. Length of PRBS sequence is 2^9 - 1. Length of PRBS sequence is 2^11 - 1. Length of PRBS sequence is 2^15 - 1. Length of PRBS sequence is 2^16 - 1. Length of PRBS sequence is 2^20 - 1. Length of PRBS sequence is 2^21 - 1. Length of PRBS sequence is 2^23 - 1. Values for the TDMA clock source. The internal clock generator is used. A connected external clock generator (bit or symbol clock frequency) is used. Values for TDMA clock type. The external clock frequency is equal to the bit clock frequency of the digital modulation. The external clock frequency is equal to the symbol clock frequency of the digital modulation. Values for the TDMA trigger source. The TDMA generator system does not wait for a trigger of any kind, so it is running the frames continuously. Each frame is started with an external signal.Each frame is started with a software programmable trigger. Values for the TDMA external trigger slope. Enables rising edge triggering. Enables falling edge triggering. Values for the CDMA trigger source. The CDMA generator system does not wait for a trigger of any kind, so it is running the channel codings continuously. Each channel coding is started with an external signal. Each channel coding is started with a software programmable trigger. Values for the CDMA external trigger slope. Enables rising edge triggering. Enables falling edge triggering. Values for the CDMA clock source. The internal clock generator is used. A connected external clock generator (bit or symbol clock frequency) is used. Values for the IQ modulation source. The signal generator uses the internally generated digital modulation signal to apply IQ modulation to the output RF signal. - See chapter IviRFSigGenDigitalModulationBase Extension Group for configuration. The signal generator uses the internally generated CDMA signal to apply IQ modulation to the output RF signal. - See chapter IviRFSigGenCDMABase Extension Group for configuration. The signal generator uses the internally generated TDMA signal to apply IQ modulation to the output RF signal. - See chapter IviRFSigGenTDMABase Extension Group for configuration. The signal generator uses the internally generated Arb signal to apply IQ modulation to the output RF signal. - See chapter IviRFSigGenArbGenerator Extension Group for configuration. The signal generator uses data from an external source for IQ modulation. IVI RFSigGen class defined HRESULTS The trigger source is not set to software trigger. Maximum time exceeded before the operation completed. The selected list is not defined. IVI RFSigGen class defined values for MaxTimeMilliseconds. Sets timeout to infinite. The function waits indefinitely for the settling to complete. Sets timeout to immediate. The function returns immediately.