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Unloaded Q measurement-the critical points method

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2 Author(s)
En-Yuan Sun ; Mater. Res. & Dev. Center, Chung Shan Inst. of Sci. & Technol., Lung-Tan, Taiwan ; Shuh-Han Chao

The unloaded quality factor of resonators whether coupled magnetically or electrically, with loss or without loss, is estimated by the critical points (i.e., extreme-reactance/susceptance points) method. The critical-points method derived from this paper is a fast and accurate method for unloaded Q measurement and is suitable for general external coupling environment

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:43 ,  Issue: 8 )