发明名称 |
Band rejection filter with attenuation poles |
摘要 |
A band rejection filter with poles includes a plurality of series resonant circuits having end terminals connected in common and other end terminals connected in series via a plurality of transmission lines each having a length that is an odd multiple of about the one-quarter wavelength at the resonance frequency of the plurality of series resonant circuits, and a jump-coupling circuit for roughly coupling two of the plurality of series resonant circuits, which are not adjacent to each other, to each other.
|
申请公布号 |
US2004178866(A1) |
申请公布日期 |
2004.09.16 |
申请号 |
US20040785983 |
申请日期 |
2004.02.26 |
申请人 |
UCHIDA HIROMITSU;MIYAZAKI MORIYASU;IMAI YOSHIHIKO;UMEMURA NORIO;NAKAYAMA JUNKO;KAMINO HIROTAKA |
发明人 |
UCHIDA HIROMITSU;MIYAZAKI MORIYASU;IMAI YOSHIHIKO;UMEMURA NORIO;NAKAYAMA JUNKO;KAMINO HIROTAKA |
分类号 |
H01P1/20;H01P1/203;H01P1/205;H01P1/208;(IPC1-7):H01P1/203 |
主分类号 |
H01P1/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|