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NI Modular Instrument driver APIs for Python. |
Author |
NI |
About
The nirfsa module provides a Python API for NI-RFSA. The code is maintained in the Open Source repository for nimi-python.
Support Policy
nirfsa supports all the Operating Systems supported by NI-RFSA.
It follows Python Software Foundation support policy for different versions of CPython.
NI created and supports nirfsa.
NI-RFSA Python API Status
NI-RFSA (nirfsa) |
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Driver Version Tested Against |
2026 Q3 |
PyPI Version |
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Supported Python Version |
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Documentation |
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Installation
As a prerequisite to using the nirfsa module, you must install the NI-RFSA runtime on your system. Visit ni.com/downloads to download the driver runtime for your devices.
The nimi-python modules (i.e. for NI-RFSA) can be installed with pip:
$ python -m pip install nirfsa~=1.0.0
Contributing
We welcome contributions! You can clone the project repository, build it, and install it by following these instructions.
Usage
The following is a basic example of using the nirfsa module to open a session to an RF Signal Analyzer and perform a spectrum acquisition.
import nirfsa
# Configure the session
with nirfsa.Session(resource_name='5841', id_query=False, reset_device=False, options='Simulate=1, DriverSetup=Model:5841') as rfsa_session:
rfsa_session.acquisition_type = nirfsa.AcquisitionType.IQ
rfsa_session.reference_level = -10
rfsa_session.iq_carrier_frequency = 1e9
iq_data_array = np.zeros(1024, dtype=np.complex128)
wfm_info = rfsa_session.read_iq_single_record_into(iq_data_array)
# Perform measurements...Other usage examples can be found on GitHub. .. _support-section:
Support / Feedback
For support specific to the Python API, follow the processs in Bugs / Feature Requests. For support with hardware, the driver runtime or any other questions not specific to the Python API, please visit NI Community Forums.
Bugs / Feature Requests
To report a bug or submit a feature request specific to Python API, please use the GitHub issues page.
Fill in the issue template as completely as possible and we will respond as soon as we can.
Documentation
Documentation is available here.
License
nimi-python is licensed under an MIT-style license (see LICENSE). Other incorporated projects may be licensed under different licenses. All licenses allow for non-commercial and commercial use.
gRPC Features
For driver APIs that support it, passing a GrpcSessionOptions instance as a parameter to Session.__init__() is subject to the NI General Purpose EULA (see NILICENSE).
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