Novel method for testing ferromagnetic resonance line width of microwave ferrite material
A ferrite material, ferromagnetic resonance line technology, applied in the direction of magnetic performance measurement, etc., can solve the problems of reducing test accuracy, increasing the complexity of testers, increasing the uncertainty of measurement results, etc., to improve the accuracy, Improve measurement efficiency and test accuracy, and maintain the effect of stability
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[0023] After calibration, the Gauss meter probe is placed in a position where the magnetic field is uniform in the middle of the electromagnet poles. The vector network analyzer (4) is connected to the rectangular resonator (1) through a microwave cable, and the network card interface of the program-controlled computer (5) is connected to the vector The network card interface of the network (4) is connected, and the serial port of the computer (5) is connected with the serial port of the Gauss meter (2) by using an RS232 serial cable. Turn on the power of each instrument.
[0024] 1. The specific steps for testing the linewidth of microwave ferrite ferromagnetic resonance with a vector network analyzer are:
[0025] Step 1: Select the test frequency range and use SOLT to calibrate the vector network analyzer and cable.
[0026] Step 2: Put the sample pellet into the slot at the top of the sample holder, and seal the top with a small amount of vacuum grease to prevent the pell...
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