Data Multiplexing Node for Line Array
Patent, Filed 5 Sep 96, patented 28 Jul 98,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A multiplexing node is associated with each analog sensor of a line array. Each multiplexing node has an amplifierfilter section coupled to its associated analog sensor for amplifying and shaping a signal generated by the sensor. An AID converter then samples the signal. A receiver is coupled to a previous one of the multiplexing nodes for receiving scrambled data and clock information in serial fashion from the previous node. A descrambler is coupled to the receiver to separate the data from the clock. A processor is coupled to the AID converter and the descrambler. The processor time division multiplexes the data and clock from the previous node with the sampled signal from the AID converter. The processor scrambles the so multiplexed data, clock and sampled signal. A transmitter is coupled to the processor to transmit the scrambled data clock and sampled signal in serial fashion over a single data line.
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