Abstract
A two-port SAW resonator using series connected IDTs is proposed. This type of resonator has an advantage over a conventional two-port SAW resonator in that the design condition of the number of finger pairs of an IDT for high performance is not strict, since the impedance level of series connected IDTs is very high. We have analyzed this type of resonator using six-port equivalent circuits and their transfer matrices of an N-pair of IDT for series connection. Finally, by numerical calculation, the resonance characteristics of these types of resonator on LiNbO/sub 3/ (128/spl deg/ Y,X) are investigated.
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