NI RFmx LTE Trigger Attributes

Trigger Attributes

• RFMXLTE_ATTR_TRIGGER_TYPE
• Digital Edge
  • RFMXLTE_ATTR_DIGITAL_EDGE_TRIGGER_SOURCE
  • RFMXLTE_ATTR_DIGITAL_EDGE_TRIGGER_EDGE
• Iw Power Edge
  • RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SOURCE
  • RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL
  • RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE
  • RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SLOPE
• RFMXLTE_ATTR_TRIGGER_DELAY
• Minimum Quiet Time
  • RFMXLTE_ATTR_TRIGGER_MINIMUM_QUIET_TIME_MODE
  • RFMXLTE_ATTR_TRIGGER_MINIMUM_QUIET_TIME_DURATION

RFMXLTE_ATTR_TRIGGER_TYPE

Data Type:	int32
Access:	read/write
Functions:	RFmxLTE_SetAttributeI32 RFmxLTE_GetAttributeI32
Description:	Specifies the trigger type. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is RFMXLTE_VAL_TRIGGER_TYPE_NONE. Get Function: RFmxLTE_GetTriggerType Set Function: RFmxLTE_SetTriggerType
Values:

RFMXLTE_VAL_TRIGGER_TYPE_NONE (0)	No Reference Trigger is configured.
RFMXLTE_VAL_TRIGGER_TYPE_DIGITAL_EDGE (1)	The Reference Trigger is not asserted until a digital edge is detected. The source of the digital edge is specified using the RFMXLTE_ATTR_DIGITAL_EDGE_TRIGGER_SOURCE attribute.
RFMXLTE_VAL_TRIGGER_TYPE_IQ_POWER_EDGE (2)	The Reference Trigger is asserted when the signal changes past the level specified by the slope (rising or falling), which is configured using the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SLOPE attribute.
RFMXLTE_VAL_TRIGGER_TYPE_SOFTWARE (3)	The Reference Trigger is not asserted until a software trigger occurs.

Digital Edge

RFMXLTE_ATTR_DIGITAL_EDGE_TRIGGER_SOURCE

Data Type:	char []
Access:	read/write
Functions:	RFmxLTE_SetAttributeString RFmxLTE_GetAttributeString
Description:	Specifies the source terminal for the digital edge trigger. This attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_DIGITAL_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value of this attribute is hardware dependent. Get Function: RFmxLTE_GetDigitalEdgeTriggerSource Set Function: RFmxLTE_SetDigitalEdgeTriggerSource
Values:

RFMXLTE_VAL_PFI0_STR (PFI0)	The trigger is received on PFI 0.
RFMXLTE_VAL_PFI1_STR (PFI1)	The trigger is received on PFI 1.
RFMXLTE_VAL_PXI_TRIG0_STR (PXI_Trig0)	The trigger is received on PXI trigger line 0.
RFMXLTE_VAL_PXI_TRIG1_STR (PXI_Trig1)	The trigger is received on PXI trigger line 1.
RFMXLTE_VAL_PXI_TRIG2_STR (PXI_Trig2)	The trigger is received on PXI trigger line 2.
RFMXLTE_VAL_PXI_TRIG3_STR (PXI_Trig3)	The trigger is received on PXI trigger line 3.
RFMXLTE_VAL_PXI_TRIG4_STR (PXI_Trig4)	The trigger is received on PXI trigger line 4.
RFMXLTE_VAL_PXI_TRIG5_STR (PXI_Trig5)	The trigger is received on PXI trigger line 5.
RFMXLTE_VAL_PXI_TRIG6_STR (PXI_Trig6)	The trigger is received on PXI trigger line 6.
RFMXLTE_VAL_PXI_TRIG7_STR (PXI_Trig7)	The trigger is received on PXI trigger line 7.
RFMXLTE_VAL_PXI_STAR_STR (PXI_STAR)	The trigger is received on the PXI star trigger line.
RFMXLTE_VAL_PXIE_DSTARB_STR (PXIe_DStarB)	The trigger is received on the PXIe DStar B trigger line.
RFMXLTE_VAL_TIMER_EVENT_STR (TimerEvent)	The trigger is received from the Timer Event.

RFMXLTE_ATTR_DIGITAL_EDGE_TRIGGER_EDGE

Data Type:	int32
Access:	read/write
Functions:	RFmxLTE_SetAttributeI32 RFmxLTE_GetAttributeI32
Description:	Specifies the active edge for the trigger. This attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_DIGITAL_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is RFMXLTE_VAL_DIGITAL_EDGE_RISING_EDGE. Get Function: RFmxLTE_GetDigitalEdgeTriggerEdge Set Function: RFmxLTE_SetDigitalEdgeTriggerEdge
Values:

RFMXLTE_VAL_DIGITAL_EDGE_RISING_EDGE (0)	The trigger asserts on the rising edge of the signal.
RFMXLTE_VAL_DIGITAL_EDGE_FALLING_EDGE (1)	The trigger asserts on the falling edge of the signal.

Iw Power Edge

RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SOURCE

Data Type:	char []
Access:	read/write
Functions:	RFmxLTE_SetAttributeString RFmxLTE_GetAttributeString
Description:	Specifies the channel from which the device monitors the trigger. This attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_IQ_POWER_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value of this attribute is hardware dependent. Get Function: RFmxLTE_GetIQPowerEdgeTriggerSource Set Function: RFmxLTE_SetIQPowerEdgeTriggerSource

RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL

Data Type:	float64
Access:	read/write
Functions:	RFmxLTE_SetAttributeF64 RFmxLTE_GetAttributeF64
Description:	Specifies the power level at which the device triggers. This value is expressed in dB when you set the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE attribute to RFMXLTE_VAL_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE_RELATIVE and in dBm when you set the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE attribute to RFMXLTE_VAL_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE_ABSOLUTE. The device asserts the trigger when the signal exceeds the level specified by the value of this attribute, taking into consideration the specified slope. This attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_IQ_POWER_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value of this attribute is hardware dependent. Get Function: RFmxLTE_GetIQPowerEdgeTriggerLevel Set Function: RFmxLTE_SetIQPowerEdgeTriggerLevel

RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE

Data Type:	int32
Access:	read/write
Functions:	RFmxLTE_SetAttributeI32 RFmxLTE_GetAttributeI32
Description:	Specifies the reference for the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL attribute. The RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_IQ_POWER_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is RFMXLTE_VAL_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE_RELATIVE. Get Function: RFmxLTE_GetIQPowerEdgeTriggerLevelType Set Function: RFmxLTE_SetIQPowerEdgeTriggerLevelType
Values:

RFMXLTE_VAL_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE_RELATIVE (0)	The IQ Power Edge Level attribute is relative to the value of the RFMXLTE_ATTR_REFERENCE_LEVEL attribute.
RFMXLTE_VAL_IQ_POWER_EDGE_TRIGGER_LEVEL_TYPE_ABSOLUTE (1)	The IQ Power Edge Level attribute specifies the absolute power.

RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SLOPE

Data Type:	int32
Access:	read/write
Functions:	RFmxLTE_SetAttributeI32 RFmxLTE_GetAttributeI32
Description:	Specifies whether the device asserts the trigger when the signal power is rising or when it is falling. The device asserts the trigger when the signal power exceeds the specified level with the slope you specify. This attribute is used only when you set the RFMXLTE_ATTR_TRIGGER_TYPE attribute to RFMXLTE_VAL_TRIGGER_TYPE_IQ_POWER_EDGE. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is RFMXLTE_VAL_IQ_POWER_EDGE_RISING_SLOPE. Get Function: RFmxLTE_GetIQPowerEdgeTriggerSlope Set Function: RFmxLTE_SetIQPowerEdgeTriggerSlope
Values:

RFMXLTE_VAL_IQ_POWER_EDGE_RISING_SLOPE (0)	The trigger asserts when the signal power is rising.
RFMXLTE_VAL_IQ_POWER_EDGE_FALLING_SLOPE (1)	The trigger asserts when the signal power is falling.

RFMXLTE_ATTR_TRIGGER_DELAY

Data Type:	float64
Access:	read/write
Functions:	RFmxLTE_SetAttributeF64 RFmxLTE_GetAttributeF64
Description:	Specifies the trigger delay time. This value is expressed in seconds. If the delay is negative, the measurement acquires pretrigger samples. If the delay is positive, the measurement acquires posttrigger samples. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is 0. Get Function: RFmxLTE_GetTriggerDelay Set Function: RFmxLTE_SetTriggerDelay

Minimum Quiet Time

RFMXLTE_ATTR_TRIGGER_MINIMUM_QUIET_TIME_MODE

Data Type:	int32
Access:	read/write
Functions:	RFmxLTE_SetAttributeI32 RFmxLTE_GetAttributeI32
Description:	Specifies whether the measurement computes the minimum quiet time used for triggering. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value is RFMXLTE_VAL_TRIGGER_MINIMUM_QUIET_TIME_MODE_AUTO. Get Function: RFmxLTE_GetTriggerMinimumQuietTimeMode Set Function: RFmxLTE_SetTriggerMinimumQuietTimeMode
Values:

RFMXLTE_VAL_TRIGGER_MINIMUM_QUIET_TIME_MODE_MANUAL (0)	The minimum quiet time for triggering is the value of the RFMXLTE_ATTR_TRIGGER_MINIMUM_QUIET_TIME_DURATION attribute.
RFMXLTE_VAL_TRIGGER_MINIMUM_QUIET_TIME_MODE_AUTO (1)	The measurement computes the minimum quiet time used for triggering.

RFMXLTE_ATTR_TRIGGER_MINIMUM_QUIET_TIME_DURATION

Data Type:	float64
Access:	read/write
Functions:	RFmxLTE_SetAttributeF64 RFmxLTE_GetAttributeF64
Description:	Specifies the time duration for which the signal must be quiet before the signal analyzer arms the I/Q power edge trigger. This value is expressed in seconds. If you set the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SLOPE attribute to RFMXLTE_VAL_IQ_POWER_EDGE_RISING_SLOPE, the signal is quiet below the trigger level. If you set the RFMXLTE_ATTR_IQ_POWER_EDGE_TRIGGER_SLOPE attribute to RFMXLTE_VAL_IQ_POWER_EDGE_FALLING_SLOPE, the signal is quiet above the trigger level. You do not need to use a selector string to configure or read this attribute for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals. The default value of this attribute is hardware dependent. Get Function: RFmxLTE_GetTriggerMinimumQuietTimeDuration Set Function: RFmxLTE_SetTriggerMinimumQuietTimeDuration