RFmxSpecAn_DPDCfgDUTAverageInputPower
- Updated2025-10-13
- 1 minute(s) read
Configures the average power, in dBm, of the signal at the input port of the device under test (DUT).
Syntax
int32 __stdcall RFmxSpecAn_DPDCfgDUTAverageInputPower(niRFmxInstrHandle instrumentHandle, char selectorString[], float64 dutAverageInputPower)
Parameters
| Name | Direction | Type | Description |
|---|---|---|---|
| instrumentHandle | [in] | niRFmxInstrHandle | This parameter specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr_Initialize function. |
| selectorString | [in] | char[] | This parameter specifies a Selector String comprising of the signal name. If you do not specify the signal name, the default signal instance is used. The default value is "" (empty string). Example: "" "signal::sig1" You can use the RFmxSpecAn_BuildSignalString function to build the selector string. |
| dutAverageInputPower | [in] | float64 | This parameter specifies the average power of the signal at the input port of the DUT. The default value is -20 dBm. |
Returns
Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an RFmx function to determine if an error has occurred.
To obtain a text description of the status code and additional information about the error condition, call the RFmxSpecAn_GetError function.
The general meaning of the status code is as follows:
Value | Meaning |
|---|---|
0 | Success |
Positive Values | Warnings |
Negative Values | Errors |