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This work presents the feasibility of a new method to reconfigure Bulk Acoustic Wave-Solidly Mounted Resonator (BAW-SMR) filters by adding capacitors in series with transistors to the shunt resonators and by controlling these transistors with a 2to4 decoder. This method is applied to filters operating in the W-CDMA (2.11–2.17 GHz) communication standard. Experimental results show a tuning range of...
This paper presents a method to reconfigure Bulk Acoustic Wave-Solidly Mounted Resonator (BAW-SMR) filters. It shows the effect of the gate voltage which controls the filter bandwidth with MOS transistors. This method is applied to filters operating in the W-CDMA (2.11–2.17 GHz) communication standard. Experimental results show a tuning range of 9MHz, whereas 12MHz of tuning range was achieved in...
This paper presents two different methods to reconfigure Bulk Acoustic Wave-Solidly Mounted Resonator (BAW-SMR) filters. The first method proposes the use of RF-MEMS and the second one proposes the addition of capacitors and MOS transistors. This paper shows also the effect of the gate voltage which controls the filter bandwidth with MOS transistors. The first reconfigurable method, is applied to...
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