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High speed digital data correlator having a synchronous pipelined full adder cell array    
United States Patent4903225   
Link to this pagehttp://www.wikipatents.com/4903225.html
Inventor(s)Brost; Andrew C. (San Jose, CA)
AbstractHigh speed digital data correlator utilizing as a summing circuit single bit full adder cells in a synchronous pipelined array arrangement to sum the number of bit matches with a selected correlation word in a serial data stream. Each adder cell has up to three inputs and provides a partial sum by adding up to three bits of equal powers of two. The simple full adder cell architecture minimizes interconnect lengths between the adjacent synchronous stages of the summing circuit and maintains near constant circuit density across the stages. These features contribute to an optimization of the operational speed of the correlator for any given circuit technology. The correlator of the preferred embodiment detects two complementary, mutually exclusive correlation words, using the same correlation circuit.



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Inventor     Brost; Andrew C. (San Jose, CA)
Owner/Assignee     Ampex Corporation (Redwood City, CA)
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Publication Date     February 20, 1990
Application Number     07/290,717
PAIR File History     Application Data   Transaction History
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Filing Date     December 23, 1988
US Classification     708/422 375/343
Int'l Classification     G06F 015/336
Examiner     Harkcom; Gary V.
Assistant Examiner     Mai; Tan V.
Attorney/Law Firm     Strnad; Elizabeth E. Lange; Richard P. ,
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USPTO Field of Search     364/728.03 364/728.05 364/6 364/7 364/8 364/9 364/10 364/11 364/12 364/13 364/14 364/15 364/16 364/17 364/18 364/19 364/20 364/21 364/22 364/23 364/24 364/25 364/26 364/27 364/28 364/29 364/30 364/31 364/32 364/33 364/34 364/35 364/36 364/37 364/38 364/39 364/40 364/41 364/42 364/43 364/44 364/45 364/46 364/47 364/48 364/49 364/50 364/51 364/52 364/53 364/54 364/55 364/56 364/57 364/58 364/59 364/60 364/61 364/62 364/63 364/64 364/65 364/66 364/67 364/68 364/69 364/70 364/71 364/72 364/73 364/74 364/75 364/76 364/77 364/78 364/79 364/80 364/81 364/82 364/83 364/84 364/85 364/86 364/87 364/88 364/89 364/90 364/91 364/92 364/93 364/94 364/95 364/96 364/97 364/98 364/99 364/100 364/101 364/102 364/103 364/104 364/105 364/106 364/107 364/108 364/109 364/110 364/111 364/112 364/113 364/114 364/115 364/116 364/117 364/118 364/119 364/120 364/121 364/122 364/123 364/124 364/125 364/126 364/127 364/128 364/129 364/130 364/131 364/132 364/133 364/134 364/135 364/136 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Patent Tags     high speed digital data correlator synchronous pipelined full adder cell array
   
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