NIDCPOWER_ATTR_LCR_DC_BIAS_AUTOMATIC_LEVEL_CONTROL
- Updated2025-10-06
- 1 minute(s) read
Specifies whether the channel actively maintains a constant DC bias voltage or current across the DUT for LCR measurements.
Syntax
NIDCPOWER_ATTR_LCR_DC_BIAS_AUTOMATIC_LEVEL_CONTROL
Numeric Value | Data Type | Access | Applies To |
|---|---|---|---|
1150291 | ViInt32 | Read/Write | Channels |
Remarks
To use this attribute, you must configure a DC bias by:
Selecting an NIDCPOWER_ATTR_LCR_DC_BIAS_SOURCE
Depending on the DC bias source you choose, setting either the NIDCPOWER_ATTR_LCR_DC_BIAS_VOLTAGE_LEVEL or NIDCPOWER_ATTR_LCR_DC_BIAS_CURRENT_LEVEL
This attribute is not supported by all instruments. Refer to Supported Attributes by Device for information about supported instruments.
Defined Values:
Name | Value | Description |
|---|---|---|
NIDCPOWER_VAL_OFF | 0 (0x0) | Automatic level control is off. |
NIDCPOWER_VAL_ON | 1 (0x1) | Automatic level control is on. |
Because the PXIe-4190 output impedance is a function of the impedance range, selecting this option may result in an actual DC bias value at the load that is different from the value you specify. Impedance measurements take this difference into account and remain accurate.
Default Value:
Refer to Supported Attributes by Device for the default value by instrument.