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In this paper, an edge-coupled bandpass filter is presented using tapped-line method. In order to determine the tapped-line feeding position, J-inverter of the input resonator can be represented by its equivalent circuit using an input admittance. This filter provides compact design using a simplified mathematical design method for tapped-line geometry and sharp skirt characteristic by transmission-zero...
This paper proposes the design of a dual-band bandpass filter (DBPF) with an analytical tapped-line feeding using parallel-coupled stepped impedance resonators (SIRs). In SIRs, the fundamental frequency and higher order harmonics can be easily tuned. The proposed DBPF is applied for new mathematical design method for the SIR tapped-line schemes. In order to determine the tapped-line feeding position,...
In this paper, on-wafer level packaging technology for RF MEMS is described, and then a novel packaging design for RF MEMS devices with different fabrication technology at millimeter-wave band is presented. The discussed RF MEMS devices on naked wafer includes a MEMS filter and a distributed MEMS transmission line (DMTL) phase shifter, which are fabricated using LIGA and micromachined technology,...
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