Mutsuki Yamazaki

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We have developed a high-temperature superconducting (HTS) receiving filter with narrow bandwidth characteristic for 2 GHz band mobile communication systems. To reduce the filter size and controlled unintended cross coupling, we proposed a stepped impedance resonator (SIR) and separation filter package. This resonator is possible to control the amount of(More)
We have proposed an 3 GHz band High-Tc superconducting (HTS) multichannel receiving unit with 8 receiving modules. Each module consists of a small HTS filter and a cooled low noise amplifier (LNA). The HTS filter consists of a number of inter-digital hairpin microstrip line resonators. The module size realize 22 × 29.5 mm and vacuum chamber size of(More)
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