National Instruments NI PXI-5422 用户手册
NI PXI-5422 Calibration Procedure
46
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6.
Call
niFgen_SetAttributeViInt32
to set the analog path value
(niFgen property node: Output Attributes»Analog Path) using
the following parameters:
the following parameters:
•
vi: The session handle returned from
niFgen_InitExtCal
•
channelName:
"0"
•
attributeID:
NIFGEN_ATTR_ANALOG_PATH
•
value: The Analog Path value for the current iteration from
Table 9
Table 9
7.
Call
niFgen_SetAttributeViReal64
to set the post-amplifier
attenuation (niFgen property node: Calibration»Post-Amplifier
Attenuation) using the following parameters:
Attenuation) using the following parameters:
•
vi: The session handle returned from
niFgen_InitExtCal
•
channelName:
"0"
•
attributeID:
NIFGEN_ATTR_POST_AMPLIFIER_ATTENUATION
•
value: The Post-Amplifier Attenuation value for the current
iteration from Table 9
iteration from Table 9
Table 9. Attributes and Values for the Main Path Post-Amplifier Gain and Offset
Iteration
Analog Path
Post-Amp
Attenuation
Current Configuration
1
NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
0
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_0DB
2
NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
12
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_12DB
3
NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
24
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_24DB
4
NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
36
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_36DB
5
NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
0
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_0DB
6
NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
12
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_12DB
7
NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
24
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_24DB
8
NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
36
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_36DB