Image Number 12 for United States Patent #7683852.
In one embodiment, an impulse radio is provided that includes: a signal source operable to provide a sinusoidal source signal; a pulse shaping circuit having a plurality of selectable delay paths, the pulse shaping circuit being configured to rectify and level shift the sinusoidal source signal through selected ones of the selectable delay paths to provide an impulse signal output; a substrate; a plurality of antennas adjacent the substrate; an RF feed network adjacent the substrate and coupled to the pulse shaping circuit, the RF feed network being configured to transmit the impulse signal output to the plurality of antennas, and a distributed plurality of amplifiers integrated with the substrate and operable to amplify the impulse signal output propagated through RF feed network.
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