F1977EVBI

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The F1977EVBI evaluation playbook introduces a key RF testing system component, the F1977E-VBI, which is able to accurately test and develop RF systems that use dual polarized antennas. The purpose of this article is to outline the various application fields and working principles of the F1977E-VBI system, so that engineers and technicians working in this important area can better understand and confidently utilize it.

The F1977E-VBI system is often used for a wide range of RF system-oriented evaluations and simulations, including but not limited to: system performance evaluation, interference analysis and in-depth research and development. Additionally, the device is especially useful in RF antennas testing. With its high-precision objectives and ease of use, the F1977E VBI offers a great way for RF engineers to accurately test and develop their projects.

The F1977E-VBI uses two sets of signal path or sampling components to measure the parameters of the dual polarized antennas. The system is composed of a high-precision evaluation board, a low-noise PBC amplifier, an oscilloscope, a vector network analyzer, BER tester and more. The evaluation board is used to generate the signals necessary to measure the antenna parameters. By controlling the board’s internal settings, including output frequency, power, phase, gain, and other characteristics, the scanned parameters of the antennas can be assessed. The PBC amplifier is then used to amplify the signals to the required level before being sent to the oscilloscope. The oscilloscope will then determine the power spectrum of the signals for further analysis.

The BER tester is used to measure the adjacent channel interference and out of band interference. The vector network analyzer is then used to determine the various antennas\' parameters, such as gain, directivity, polarization characteristics, radiation pattern, input impedance, etc. These tests can be conducted in both swept and single-point mode. Finally, temperature calibration and gain calibration can be performed to ensure that the RF systems are calibrated within the desired parameters.

In conclusion, the F1977E-VBI is a highly accurate and versatile RF testing system. It is capable of being used for a variety of RF system-oriented tests and simulations, providing engineers with the much-needed ability to accurately measure and rapidly develop high-precision RF projects.

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