Patent ID: 7158768
Filing Date: 2007-01-02
Classification: H04B

Abstract:
1. A switching filter module for dynamic multi-channel selection, comprising: a 2-way switch for switching an input signal containing at least one of first to fourth channels having predetermined frequency bandwidths to one of first and second output points; a first double-channel selection filter having an input port connected to the first output point of the 2-way switch and an output port connected to the second output point of the 2-way switch, for passing frequency bandwidths of adjacent first and second channels; a first 3-way switch for switching the output of the first double-channel selection filter to one of first, second and third output points of the first 3-way switch; a second double-channel selection filter having an input port connected to the first output point of the first 3-way switch and an output port connected to the second output point of the first 3-way switch, for passing frequency bandwidths of adjacent second and third channels, the output port of the second double-channel selection filter being a first output node of the switching filter module; a third double-channel selection filter for receiving the input signal and passing frequency bandwidths of adjacent third and fourth channels; a second 3-way switch for switching the output of the third double-channel selection filter to one of first, second and third output points of the second 3-way switch, the first output point of the second 3-way switch being connected to the input port of the second double-channel selection filter; and a fourth double-channel selection filter having an input port connected to the second output point of the second 3-way switch and an output port connected to the third output point of the second 3-way switch, the output port of the fourth double-channel selection filter being a second output node of the switching filter module.