Switching device with selectable phase shifting modes for reduced intermodulation distortion
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United States of America Patent
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Jan 12, 2010
Grant Date -
Jan 15, 2009
app pub date -
Jul 13, 2007
filing date -
Jul 13, 2007
priority date (Note) -
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Abstract
According to one exemplary embodiment, a switching device with phase selection terminals to select between at least two phase shifting modes to reduce intermodulation distortion in the switching device includes a first phase selection terminal to select a first phase shifting mode of the switching device by enabling a first transmission line in a first phase shifting switching branch coupled to an input of the switching device. The switching device further includes a second phase selection terminal to select a second phase shifting mode of the switching device by enabling a second phase shifting switching branch coupled to the switching device input. The intermodulation distortion in the switching device is reduced by selecting one of the first and second phase shifting modes. The first transmission line is enabled by enabling a FET coupled in series with the first transmission line in the first phase shifting switching branch.
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