Specifies the center frequency in a spectrum acquisition.

Syntax

NIRFSA_ATTR_CENTER_FREQUENCY

Numeric Value

Data Type

Access

Applies To

1150002

ViReal64

Read/Write

N/A

Remarks


The value is expressed in hertz (Hz). An acquisition consists of a span of data surrounding the center frequency.

Note

Use this attribute to tune the downconverter when using external digitizer mode.

Units: hertz (Hz)

Default Values:

PXIe-5694: 193.6 MHz

PXIe-5820: 0 Hz

PXIe-5830/5831/5832: 6.5 GHz

All other devices: 1 GHz

Supported Devices: PXI-5600, PXIe-5601/5603/5605/5606 (external digitizer mode), PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5693/5694/5698, PXIe-5820/5830/5831/5832/5840/5841/5842/5860