Advanced:Frequency Settling
- Updated2025-04-08
- 2 minute(s) read
Specifies the value used for LO frequency settling.
Specify the units and interpretation for this scalar value using the Frequency Settling Units property.
Valid values
| Frequency Settling Units Property Value | PXIe-5663/5663E | PXIe-5665/5668 | PXIe-5644/5645/5646 | PXIe-5830/5831/5832/5840/5841/5842, PXIe-5831 with PXIe-5653 (using PXIe-3622 LO), PXIe-5832 with PXIe-5653 (using PXIe-3623 LO) | PXIe-5831 with PXIe-5653 (using PXIe-5653 LO) and PXIe-5832 with PXIe-5653 (using PXIe-5653 LO) |
|---|---|---|---|---|---|
| Seconds After Lock | 2 µs to 80 ms, resolution of approximately 2 µs | 4 µs to 80 ms, resolution of approximately 4 µs | 1 µs to 65 ms, resolution of 1 µs | 1 µs to 10s, resolution of 1 µs | 4 µs to 80 ms, resolution of approximately 4 µs |
| Seconds After I/O | 0 µs to 80 ms, resolution of 1 µs | 0 µs to 80 ms, resolution of 1 µs | 1 µs to 65 ms, resolution of 1 µs | 0 µs to 10s, resolution of 1 µs | 0 µs to 80 ms, resolution of 1 µs |
| PPM | 1.0, 0.1, 0.01 | 1.0, 0.1, 0.01, 0.001 | 1.0, 0.1, 0.01 | 1.0 to 0.01 | 1.0 to 0.01 |
| Note This property is not supported if you are using an external LO. |
You do not need to use a selector string if you want to configure this property for all signal instances. Specify the signal name in the selector string if you want to configure or read that signal instance. Refer to the Selector Strings topic for information about the string syntax.
The default value is 0.1.
Supported devices: PXIe-5644/5645/5646, PXIe-5663/5663E/5665/5668, PXIe-5830/5831/5832/5840/5841/5842
Remarks
The following table lists the characteristics of this property.
| Short Name | Freq Settling |
| Data type |  |
| Permissions | Read/Write |
| High-level VIs | N/A |
| Resettable | Yes |