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Pass-band insertion loss in monolithic low-pass filters is mainly limited by inductor Q. Most circuits used in filters of this type are of low order with a minimum number of coils. This paper describes using a bridged-tee architecture to implement a 5th order low pass filter with two attenuation poles at finite frequencies. It is especially well-suited for use in harmonic suppression filters with...
Monolithic technologies (e.g. semiconductor-based passive components) have small dimensions and tight fabrication tolerances. For coupled-resonator baluns this results in superior amplitude and phase balance characteristics, which are directly related to the common- mode rejection. Achieving good CMRR becomes more difficult at higher frequencies because of the effects of capacitive coupling between...
We have developed a balanced band-pass filter using Silicon Integrated Passive Device (IPD) technology. The size of the filter is 2.0 × 1.3 × 0.4 mm3, which is by far the smallest filter achieving similar characteristics, to the best of our knowledge. A hybrid EM-circuit optimization scheme has been adopted for the design. Prototypes are made and measured. Good agreement has been achieved between...