It is disclosed a pass-band radio filter including a number of resonant cavities, wherein the number of resonant cavities has a fundamental resonance frequency. The filter is characterized in that at least one of the resonant cavities has a first higher order resonance frequency and in that the remaining resonant cavities have a second higher order resonance frequency which is different from the first higher order resonance frequency.
申请公布号
EP2065967(A1)
申请公布日期
2009.06.03
申请号
EP20070291436
申请日期
2007.11.30
申请人
ALCATEL LUCENT
发明人
LEVATI, GIORGIO;MORINI, ANTONIO;PERONI, EZIO;CEREDA, GIUSEPPE