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      <marc:subfield code="a">Poettcker, Martin, </marc:subfield>
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      <marc:subfield code="a">Final report on the development of a full duplex LSI Delta codec / </marc:subfield>
      <marc:subfield code="c">prepared by: Martin Poettcker, SED Systems Inc.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
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      <marc:subfield code="c">March 29, 1982.</marc:subfield>
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      <marc:subfield code="a">Digitized copy from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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      <marc:subfield code="a">"DSS File Number 04PJ.36100-9-0809."</marc:subfield>
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      <marc:subfield code="a">"Contract Serial Number 0PJ79-00319."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"This report consists of two volumes. The first details the results of SED's evaluation of the 2842 and its in circuit operation. The second, included as an appendix entitled "2842 LSI Details" describes the functional operation of the 2842 and includes schematics, timing diagrams, packaging details and the testing methods used by Siltronics Ltd"--Introduction, volume 1.</marc:subfield>
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