| 摘要 |
<p>PURPOSE: A dual filter for a base station test is provided to connect a band pass filter and a band stop filter inside of a housing, thereby moving a signal distortion phenomenon to a frequency band excluding a desired frequency band. CONSTITUTION: A housing(110) comprises a first connector, a second connector, and a third connector. The first connector and the second connector are connected to a base station. The third connector is connected to an antenna. A band pass filter unit(140) transmits a signal between a first connector and the third connector. A band stop filter unit(160) transmits the signal between the second connector and the third connector. A coupling block(120) is equipped between the band pass filter unit and the band stop filter unit. The coupling block moves a signal distortion phenomenon to a frequency band excluding a specific frequency band. [Reference numerals] (120) Coupling block; (140) BPF unit; (160) BRF unit</p> |
