Offset correction circuit for a sigma-delta coding device
Offset correction circuit in a digital-to-analog coder (10) comprising a delta coder (18) providing a serial bit string at a high frequency F in response to digital words supplied at a low frequency f, and an analog integrator (22) providing an analog output signal (24) which is an analog representa...
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| creator | CUKIER MAURICE MICHEL PATRICK MARCIANO FREDERIC |
| description | Offset correction circuit in a digital-to-analog coder (10) comprising a delta coder (18) providing a serial bit string at a high frequency F in response to digital words supplied at a low frequency f, and an analog integrator (22) providing an analog output signal (24) which is an analog representation of the digital words. The offset correction circuit avoids an offset to be introduced in the analog output of the integrator (22) when a PLO correction is taken to slow down or to speed up the clock controlling the input of the digital words. Such a circuit can be implemented by a state generator which provides a corrected pulse in place of the sigma-delta data which lasts half the duration of the offset. |
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The offset correction circuit avoids an offset to be introduced in the analog output of the integrator (22) when a PLO correction is taken to slow down or to speed up the clock controlling the input of the digital words. Such a circuit can be implemented by a state generator which provides a corrected pulse in place of the sigma-delta data which lasts half the duration of the offset.</description><language>eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; CODE CONVERSION IN GENERAL ; CODING ; DECODING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900130&DB=EPODOC&CC=US&NR=4897856A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900130&DB=EPODOC&CC=US&NR=4897856A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CUKIER; MAURICE</creatorcontrib><creatorcontrib>MICHEL; PATRICK</creatorcontrib><creatorcontrib>MARCIANO; FREDERIC</creatorcontrib><title>Offset correction circuit for a sigma-delta coding device</title><description>Offset correction circuit in a digital-to-analog coder (10) comprising a delta coder (18) providing a serial bit string at a high frequency F in response to digital words supplied at a low frequency f, and an analog integrator (22) providing an analog output signal (24) which is an analog representation of the digital words. The offset correction circuit avoids an offset to be introduced in the analog output of the integrator (22) when a PLO correction is taken to slow down or to speed up the clock controlling the input of the digital words. Such a circuit can be implemented by a state generator which provides a corrected pulse in place of the sigma-delta data which lasts half the duration of the offset.</description><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>CODE CONVERSION IN GENERAL</subject><subject>CODING</subject><subject>DECODING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD0T0srTi1RSM4vKkpNLsnMz1NIzixKLs0sUUjLL1JIVCjOTM9N1E1JzSlJBCpKycxLV0hJLctMTuVhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwSYWluYWpmaOxoRVAAB96S3u</recordid><startdate>19900130</startdate><enddate>19900130</enddate><creator>CUKIER; MAURICE</creator><creator>MICHEL; PATRICK</creator><creator>MARCIANO; FREDERIC</creator><scope>EVB</scope></search><sort><creationdate>19900130</creationdate><title>Offset correction circuit for a sigma-delta coding device</title><author>CUKIER; MAURICE ; MICHEL; PATRICK ; MARCIANO; FREDERIC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4897856A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>CODE CONVERSION IN GENERAL</topic><topic>CODING</topic><topic>DECODING</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>CUKIER; MAURICE</creatorcontrib><creatorcontrib>MICHEL; PATRICK</creatorcontrib><creatorcontrib>MARCIANO; FREDERIC</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CUKIER; MAURICE</au><au>MICHEL; PATRICK</au><au>MARCIANO; FREDERIC</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Offset correction circuit for a sigma-delta coding device</title><date>1990-01-30</date><risdate>1990</risdate><abstract>Offset correction circuit in a digital-to-analog coder (10) comprising a delta coder (18) providing a serial bit string at a high frequency F in response to digital words supplied at a low frequency f, and an analog integrator (22) providing an analog output signal (24) which is an analog representation of the digital words. The offset correction circuit avoids an offset to be introduced in the analog output of the integrator (22) when a PLO correction is taken to slow down or to speed up the clock controlling the input of the digital words. Such a circuit can be implemented by a state generator which provides a corrected pulse in place of the sigma-delta data which lasts half the duration of the offset.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION |
| title | Offset correction circuit for a sigma-delta coding device |
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