Frequency selection and frequency conversion it is integrated by the filter embodiment of various

摘要

(57) Method and apparatus for frequency conversion and [Abstract] Frequency selectivity, and the applications that use the method and apparatus of such description and steps herein, the method includes filtering the (filtered) input signal Te, the step of down-converting the input signal of filtering and the like. Operation of the down-conversion and filtering is performed in a uniform way of an integrated. Devices described herein may be implemented as an integrated circuit (IC).