Conference Proceeding

A Dual-Band MEMS Reconfigurable Filter for a Multi-Standard Radio Front-End

12/2008; DOI:10.1109/EUMC.2008.4751520 pp.587 - 590 In proceeding of: Microwave Conference, 2008. EuMC 2008. 38th European
Source: IEEE Xplore

ABSTRACT A new kind of MEMS multi-standard filter has been developed and fabricated on quartz substrate. This device is optimized for dual-band operations in a radio front-end subsystem, switching between two very different standards: DCS1800 at 1.84 GHz with 4% fractional bandwidth (FBW), and WLAN at 5.2 GHz with 17% FBW. The original architecture based on hybrid lumped/distributed elements design and integrating MEMS controlled capacitor banks is first introduced. Hence, the measurement results are presented and discussed showing very good agreement with simulation results and enabling full validation of the principle.

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Keywords

4% fractional bandwidth
 
capacitor banks
 
dual-band operations
 
hybrid lumped/distributed elements design
 
measurement results
 
MEMS multi-standard filter
 
original architecture
 
quartz substrate
 
simulation results