| 摘要 |
The invention relates to a reactance filter, which is constructed from BAW resonators and has at least one base element provided with a first resonator in a first branch and with a second resonator in a second branch. A resonator having a high ratio of dynamic to static capacitance is placed in one branch whereby creating a filter with the resulting pass-band whose one edge is set steeper than the other. The selection of the edges whose steepnesses are to be set is effected by assigning the first branch to the serial or parallel branch.
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