发明名称 |
Band pass filter for GHz-band |
摘要 |
Disclosed is a high-frequency band pass filter of simple structure for use in a frequency range from hundreds of MHz to over ten GHz. The band pass filter comprises a magnetic loss sheet 1 prepared by dispersing fine powder of averaged particle size up to 30 mu m of a soft magnetic metal such as an Fe-Cr-Al alloy, an input signal line 2 and an output signal line 3 made of a conductive strip disposed in serial direction with a gap between them, a capacitance means connecting the opposite ends of the lines and a GND line 4 disposed on the reverse side of the sheet. The capacitance means may be either a chip condenser 5, or that formed by disposing an internal line 7 of another conductive strip with intermediation of insulating film 6 to bridge on the input signal line 2 and the output signal line 3 to have overlapping parts. <IMAGE> |
申请公布号 |
EP1443587(A1) |
申请公布日期 |
2004.08.04 |
申请号 |
EP20040000758 |
申请日期 |
2004.01.15 |
申请人 |
DAIDO STEEL CO., LTD.;NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY INCORPORATED ADMINISTRATIVE AGENCY |
发明人 |
SAITO, AKIHIKO;HARADA, HIROSHI |
分类号 |
H01P1/203;H01P1/215 |
主分类号 |
H01P1/203 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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