Configures the offset frequency definition for the ACP measurement. Use "offset<n>" as the selector string to configure this function.

Syntax

int32 __stdcall RFmxSpecAn_ACPCfgOffsetFrequencyDefinition(niRFmxInstrHandle instrumentHandle, char selectorString[], int32 offsetFrequencyDefinition)

Parameters

NameDirectionTypeDescription
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 the Selector String comprising of the signal name and offset number. If you do not specify the signal name, the default signal instance is used. The default value is "offset0".
Example:
"offset0"
"signal::sig1/offset0"
You can use the RFmxSpecAn_BuildOffsetString2 function to build the selector string.

offsetFrequencyDefinition[in]int32

This parameter specifies the offset frequency definition. The default value is Carrier Center to Offset Center.

Name

Value

Description

RFMXSPECAN_VAL_ACP_CARRIER_CENTER_TO_OFFSET_CENTER

0 (0x0)

The offset frequency is defined from the center of the closest carrier to the center of the offset channel.

RFMXSPECAN_VAL_ACP_CARRIER_CENTER_TO_OFFSET_EDGE

1 (0x1)

The offset frequency is defined from the center of the closest carrier to the nearest edge of the offset channel.

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