Abstract
In order to reduce the noises affixed to the signals when testing high frequency devices, a single-port test mode (S11) is used to test frequency response of high frequency (GHz) and dual-port surface acoustic wave devices (SAWDs) in this paper. The feasibility of the test is proved by simulating the Fabry-Perot model. The frequency response of the high-frequency dual-port resonant-type diamond SAWD is measured by S11 and the dual-port test mode (S21), respectively. The results show that the quality factor of the device is 51.29 and the 3 dB bandwidth is 27.8 MHz by S11-mode measurement, which is better than the S21 mode, and is consistent with the frequency response curve by simulation.
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This work has been supported by the National Natural Science Foundation of China (Nos.50972105 and 60806030), and Tianjin Natural Science Foundation (Nos.09JCZDJC16500, 08JCYBJC14600 and ZD200709).
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Chen, Xm., Yang, Bh., Wu, Xg. et al. Test method of frequency response based on diamond surface acoustic wave devices. Optoelectron. Lett. 7, 291–293 (2011). https://doi.org/10.1007/s11801-011-0076-1
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DOI: https://doi.org/10.1007/s11801-011-0076-1