TUNABLE FILTER DEVICES AND METHODS
3 Assignments
0 Petitions
Accused Products
Abstract
Analog interference filter devices and methods for isolation of desirable portions of a radio frequency signal. Signal compensation is used to provide desirable center frequency, passband width, ripple, rolloff, stopband and distortion performance. The filter is implemented with passive and/or active components.
1 Citation
19 Claims
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1-11. -11. (canceled)
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12. A device for performing analog filtering of a signal, comprising:
a unit comprising; a cell comprising; a splitter for splitting said signal into a first signal and a second signal; a first channel connected to said first signal; a second channel having a second input and at least one of a second delay element, a second phase shifter and a second amplitude compensator, wherein said second channel is connected to said second signal; and a combiner for combining a signal output from said first channel with a signal output from said second channel. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
Specification