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. 2020 Jan 21;11(2):119. doi: 10.3390/mi11020119

Figure 9.

Figure 9

Schematic of the parasitic capacitive feedthrough in the proposed resonator. These ports are divided into two sets. The electrodes in the same set connected to input and output ports respectively are located on the regions with same strain polarity. The polarity of electrodes of these two sets of ports are inverse. C1 and C2 are the direct feedthrough between the input and output ports within one set. C3 and C4 are the cross feedthrough between the input and output ports belonging to different sets.