Table Of Contents
Adjust Main Path Output Impedance Calibration (G Dataflow)
Calculates calibration constants pertaining to main analog path output impedance.
During external calibration, you can put the waveform generator in different configurations and take measurements of the resulting output voltage across different loads. Using the configuration data and the measurements, this node calculates the appropriate calibration constants and, when the calibration session is committed, stores them in the onboard EEPROM.
load impedance
Impedance of the load across which the measurement in the measured voltage across load input is taken.
configuration
Configuration of the waveform generator for this stage of calibration.
| Name | Value | Description |
|---|---|---|
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_0DB_50OHMS | 0 | The waveform generator was configured to use the low-gain amplifier path and to 50 Ω output impedance with 0 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_0DB_75OHMS | 1 | The waveform generator was configured to use the low-gain amplifier path and to 75 Ω output impedance with 0 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_12DB_50OHMS | 2 | The waveform generator was configured to use the low-gain amplifier path and to 50 Ω output impedance with 12 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_12DB_75OHMS | 3 | The waveform generator was configured to use the low-gain amplifier path and to 75 Ω output impedance with 12 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_24DB_50OHMS | 4 | The waveform generator was configured to use the low-gain amplifier path and to 50 Ω output impedance with 24 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_24DB_75OHMS | 5 | The waveform generator was configured to use the low-gain amplifier path and to 75 Ω output impedance with 24 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_36DB_50OHMS | 6 | The waveform generator was configured to use the low-gain amplifier path and to 50 Ω output impedance with 36 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_LOW_GAIN_36DB_75OHMS | 7 | The waveform generator was configured to use the low-gain amplifier path and to 75 Ω output impedance with 36 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_0DB_50OHMS | 8 | The waveform generator was configured to use the high-gain amplifier path and to 50 Ω output impedance with 0 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_0DB_75OHMS | 9 | The waveform generator was configured to use the high-gain amplifier path and to 75 Ω output impedance with 0 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_12DB_50OHMS | 10 | The waveform generator was configured to use the high-gain amplifier path and to 50 Ω output impedance with 12 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_12DB_75OHMS | 11 | The waveform generator was configured to use the high-gain amplifier path and to 75 Ω output impedance with 12 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_24DB_50OHMS | 12 | The waveform generator was configured to use the high-gain amplifier path and to 50 Ω output impedance with 24 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_24DB_75OHMS | 13 | The waveform generator was configured to use the high-gain amplifier path and to 75 Ω output impedance with 24 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_36DB_50OHMS | 14 | The waveform generator was configured to use the high-gain amplifier path and to 50 Ω output impedance with 36 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_HIGH_GAIN_36DB_75OHMS | 15 | The waveform generator was configured to use the high-gain amplifier path and to 75 Ω output impedance with 36 dB postamplifier attenuation. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_DIFFERENTIAL | 16 | The waveform generator was configured for differential output. |
| NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_RSE | 17 | The waveform generator was configured for referenced single-ended output. |
session in
Handle that identifies your instrument session previously allocated by Initialize External Calibration.
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Standard Error Behavior
Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.
Default: No error
channel name
Name of the waveform generator channel that the node uses.
measured source voltage
Analog output voltage measured across a very high-impedance load.
measured voltage across load
Analog output voltage measured across the load impedance specified in the load impedance input.
session out
Reference to your instrument session to wire to the next node.
error out
Error information.
The node produces this output according to standard error behavior.
Standard Error Behavior
Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.
Where This Node Can Run:
Desktop OS: Windows
FPGA: Not supported
Web Server: Not supported in VIs that run in a web application