{"id":"https://openalex.org/W2999732525","doi":"https://doi.org/10.1109/apccas47518.2019.8953149","title":"An Active-Copper-Cable with Continuous-Time-Linear-Equalizer IC for 30-AWG 7-meters Reach Interconnect of 400-Gbit/s QSFP-DD","display_name":"An Active-Copper-Cable with Continuous-Time-Linear-Equalizer IC for 30-AWG 7-meters Reach Interconnect of 400-Gbit/s QSFP-DD","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W2999732525","doi":"https://doi.org/10.1109/apccas47518.2019.8953149","mag":"2999732525"},"language":"en","primary_location":{"id":"doi:10.1109/apccas47518.2019.8953149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas47518.2019.8953149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108386079","display_name":"Koji Maeda","orcid":null},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Koji Maeda","raw_affiliation_strings":["Hitachi, Ltd., Research and Development Group, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Hitachi, Ltd., Research and Development Group, Tokyo, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101445428","display_name":"Shoji Yamamoto","orcid":"https://orcid.org/0000-0003-2112-8612"},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shoji Yamamoto","raw_affiliation_strings":["Hitachi, Ltd., Research and Development Group, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Hitachi, Ltd., Research and Development Group, Tokyo, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057847798","display_name":"Naohiro Kohmu","orcid":"https://orcid.org/0000-0001-8297-1369"},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naohiro Kohmu","raw_affiliation_strings":["Hitachi, Ltd., Research and Development Group, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Hitachi, Ltd., Research and Development Group, Tokyo, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020005513","display_name":"Kei Nishimura","orcid":null},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kei Nishimura","raw_affiliation_strings":["Hitachi Metals, Ltd., Cable Materials Company, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"Hitachi Metals, Ltd., Cable Materials Company, Ibaraki, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017242198","display_name":"Izumi Fukasaku","orcid":null},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Izumi Fukasaku","raw_affiliation_strings":["Hitachi Metals, Ltd., Cable Materials Company, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"Hitachi Metals, Ltd., Cable Materials Company, Ibaraki, Japan","institution_ids":["https://openalex.org/I65143321"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5108386079"],"corresponding_institution_ids":["https://openalex.org/I65143321"],"apc_list":null,"apc_paid":null,"fwci":0.1769,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.56894889,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"217","last_page":"220"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gigabit","display_name":"Gigabit","score":0.582302451133728},{"id":"https://openalex.org/keywords/interconnection","display_name":"Interconnection","score":0.5381740927696228},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5217741131782532},{"id":"https://openalex.org/keywords/repeater","display_name":"Repeater (horology)","score":0.4979119300842285},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4740842580795288},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42577892541885376},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4212521016597748},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3623042106628418},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3280905485153198},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22520241141319275}],"concepts":[{"id":"https://openalex.org/C21922175","wikidata":"https://www.wikidata.org/wiki/Q3105497","display_name":"Gigabit","level":2,"score":0.582302451133728},{"id":"https://openalex.org/C123745756","wikidata":"https://www.wikidata.org/wiki/Q1665949","display_name":"Interconnection","level":2,"score":0.5381740927696228},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5217741131782532},{"id":"https://openalex.org/C195545963","wikidata":"https://www.wikidata.org/wiki/Q1469803","display_name":"Repeater (horology)","level":3,"score":0.4979119300842285},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4740842580795288},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42577892541885376},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4212521016597748},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3623042106628418},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3280905485153198},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22520241141319275},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas47518.2019.8953149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas47518.2019.8953149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1981745977","https://openalex.org/W2058291834","https://openalex.org/W2114497163","https://openalex.org/W2292839294","https://openalex.org/W2787716341"],"related_works":["https://openalex.org/W2776248796","https://openalex.org/W1490913644","https://openalex.org/W207379020","https://openalex.org/W2089563033","https://openalex.org/W2380731809","https://openalex.org/W2385422854","https://openalex.org/W2380269717","https://openalex.org/W1980651859","https://openalex.org/W3107539367","https://openalex.org/W3160579719"],"abstract_inverted_index":{"While":[0],"a":[1,27,42,48,53,68,73,101],"bandwidth":[2],"for":[3,62,92,128,137],"cable":[4],"interconnects":[5,142],"in":[6],"data":[7],"centers":[8],"is":[9,45,65],"getting":[10],"to":[11],"be":[12,144],"higher,":[13],"lower":[14],"power-consumption":[15],"and":[16,52,130,134],"cost":[17,135],"are":[18,55],"required.":[19],"This":[20],"paper":[21],"presents":[22],"an":[23],"active-copper-cable":[24],"(ACC)":[25],"with":[26,47,72,80,114],"continuous-time-linear-equalizer":[28],"(CTLE)":[29],"IC":[30],"supporting":[31],"400-Gbit/s":[32,141],"quad-small-form-factor-pluggable":[33],"double-density":[34],"(QSFP-DD)":[35],"multi-source-agreement":[36],"(MSA).":[37],"With":[38],"the":[39,58,63,96,107,115,125,138],"cable-specific-linear-equalization,":[40],"both":[41],"pass-characteristic":[43],"which":[44],"compatible":[46],"conventional":[49],"short":[50],"passive-copper-cable":[51],"multi-standardization":[54],"acquired.":[56],"Moreover,":[57],"heat-dissipation":[59],"free":[60],"design":[61],"implementation":[64],"achieved":[66,113],"by":[67],"far-end":[69],"half-active":[70],"architecture":[71],"low":[74],"power":[75,133],"repeater.":[76],"The":[77],"CTLE-IC":[78],"fabricated":[79],"180-nm":[81],"SiGe-BiCMOS":[82],"process":[83],"occupies":[84],"3.69":[85],"x":[86],"1.29":[87],"mm":[88],"<sup":[89],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[90],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[91],"4-channels.":[93],"In":[94],"experiments,":[95],"0.18-UI":[97],"eye":[98],"opening":[99],"of":[100,118,121],"56-Gbit/s/channel":[102],"4-level-pulse-amplitude-modulated":[103],"(PAM4)":[104],"signal":[105],"at":[106],"30-AWG":[108],"7-m":[109],"ACC":[110,127],"output":[111],"was":[112],"smallest":[116],"figure":[117],"merit":[119],"(FOM)":[120],"2.61-pJ/bit/channel.":[122],"By":[123],"introducing":[124],"QSFP-DD":[126],"inner-rack":[129],"rack-to-rack":[131],"connections,":[132],"reductions":[136],"next":[139],"generation":[140],"can":[143],"achieved.":[145]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}