| 摘要 |
PROBLEM TO BE SOLVED: To provide a sampling filter which flexibly adjusts its filter characteristics, and also to provide a radio communication apparatus equipped with the sampling filter. SOLUTION: A sampling filter apparatus 100 is equipped with four integration units 150-1 through 150-4 corresponding to the number of filter taps, and some of the integration units 150-1 through 150-4 include an integrator having an MEMS structure. By this means, a charge amount (accumulated charge amount) of a received signal integrated by an integrator can be adjusted by adjusting the capacity of an integrator having an MEMS structure. A received signal amount emitted from an integration unit can also be adjusted by adjustment of the integration amount of a received signal, therefor, the filter characteristics of the sampling filter apparatus 100 can be flexibly adjusted. COPYRIGHT: (C)2009,JPO&INPIT
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