{"id":"https://openalex.org/W2107427215","doi":"https://doi.org/10.1109/icecs.2007.4511057","title":"30GHz Amplifiers with 0.25\u03bcm SiGe BiCMOS","display_name":"30GHz Amplifiers with 0.25\u03bcm SiGe BiCMOS","publication_year":2007,"publication_date":"2007-12-01","ids":{"openalex":"https://openalex.org/W2107427215","doi":"https://doi.org/10.1109/icecs.2007.4511057","mag":"2107427215"},"language":"en","primary_location":{"id":"doi:10.1109/icecs.2007.4511057","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icecs.2007.4511057","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 14th IEEE International Conference on Electronics, Circuits and Systems","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/A5081969683","display_name":"Jorge Alves Torres","orcid":"https://orcid.org/0000-0001-9446-9878"},"institutions":[{"id":"https://openalex.org/I4210159589","display_name":"Institute of the Pupils of the Army","ror":"https://ror.org/05368pf49","country_code":"PT","type":"education","lineage":["https://openalex.org/I4210159589"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Jorge Alves Torres","raw_affiliation_strings":["Inst. de Telecomunicacoes & Inst. Mil. dos Pupilos do Exercito Lisboa, Lisbon"],"affiliations":[{"raw_affiliation_string":"Inst. de Telecomunicacoes & Inst. Mil. dos Pupilos do Exercito Lisboa, Lisbon","institution_ids":["https://openalex.org/I4210159589"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031966478","display_name":"J. Caldinhas Vaz","orcid":"https://orcid.org/0000-0001-5745-3439"},"institutions":[{"id":"https://openalex.org/I203847022","display_name":"Instituto Polit\u00e9cnico de Lisboa","ror":"https://ror.org/04ea70f07","country_code":"PT","type":"education","lineage":["https://openalex.org/I203847022"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J. Caldinhas Vaz","raw_affiliation_strings":["Inst. Super. Tecnico Lisboa, Lisbon"],"affiliations":[{"raw_affiliation_string":"Inst. Super. Tecnico Lisboa, Lisbon","institution_ids":["https://openalex.org/I203847022"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039103832","display_name":"J. Costa Freire","orcid":"https://orcid.org/0000-0003-0026-1983"},"institutions":[{"id":"https://openalex.org/I203847022","display_name":"Instituto Polit\u00e9cnico de Lisboa","ror":"https://ror.org/04ea70f07","country_code":"PT","type":"education","lineage":["https://openalex.org/I203847022"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J. Costa Freire","raw_affiliation_strings":["Inst. Super. Tecnico Lisboa, Lisbon"],"affiliations":[{"raw_affiliation_string":"Inst. Super. Tecnico Lisboa, Lisbon","institution_ids":["https://openalex.org/I203847022"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5081969683"],"corresponding_institution_ids":["https://openalex.org/I4210159589"],"apc_list":null,"apc_paid":null,"fwci":0.357,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.66609613,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"578","last_page":"581"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":1.0,"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/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.9991000294685364,"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/T11444","display_name":"Electromagnetic Compatibility and Noise Suppression","score":0.9987000226974487,"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/bicmos","display_name":"BiCMOS","score":0.7627514004707336},{"id":"https://openalex.org/keywords/inductor","display_name":"Inductor","score":0.7306784987449646},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.632670521736145},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5762555599212646},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5388469696044922},{"id":"https://openalex.org/keywords/silicon-germanium","display_name":"Silicon-germanium","score":0.5352246165275574},{"id":"https://openalex.org/keywords/common-emitter","display_name":"Common emitter","score":0.5297563672065735},{"id":"https://openalex.org/keywords/return-loss","display_name":"Return loss","score":0.49817442893981934},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.40371447801589966},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.3965269923210144},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3663318157196045},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.35965973138809204},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3492201566696167},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.2701384425163269},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19504114985466003},{"id":"https://openalex.org/keywords/silicon","display_name":"Silicon","score":0.15895062685012817}],"concepts":[{"id":"https://openalex.org/C62427370","wikidata":"https://www.wikidata.org/wiki/Q173416","display_name":"BiCMOS","level":4,"score":0.7627514004707336},{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.7306784987449646},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.632670521736145},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5762555599212646},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5388469696044922},{"id":"https://openalex.org/C2780389399","wikidata":"https://www.wikidata.org/wiki/Q367849","display_name":"Silicon-germanium","level":3,"score":0.5352246165275574},{"id":"https://openalex.org/C46918542","wikidata":"https://www.wikidata.org/wiki/Q1648344","display_name":"Common emitter","level":2,"score":0.5297563672065735},{"id":"https://openalex.org/C196901423","wikidata":"https://www.wikidata.org/wiki/Q3933836","display_name":"Return loss","level":3,"score":0.49817442893981934},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40371447801589966},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.3965269923210144},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3663318157196045},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.35965973138809204},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3492201566696167},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.2701384425163269},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19504114985466003},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.15895062685012817},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icecs.2007.4511057","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icecs.2007.4511057","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 14th IEEE International Conference on Electronics, Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.7099999785423279,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2114946140","https://openalex.org/W2137218431","https://openalex.org/W2146399687","https://openalex.org/W2148498078","https://openalex.org/W6681266531"],"related_works":["https://openalex.org/W1594634106","https://openalex.org/W1492027935","https://openalex.org/W1586979011","https://openalex.org/W2140183546","https://openalex.org/W2105454559","https://openalex.org/W2510447057","https://openalex.org/W4255700119","https://openalex.org/W2517605246","https://openalex.org/W2140681148","https://openalex.org/W2133337640"],"abstract_inverted_index":{"In":[0],"this":[1,112],"paper":[2],"the":[3,36],"possibility":[4],"of":[5,71,105],"using":[6],"a":[7,42,72,85,102],"low":[8],"cost":[9],"SiGe:C":[10],"BiCMOS":[11],"technology":[12],"dedicated":[13],"to":[14,19,98,124],"few":[15],"GHz":[16,21,47,91,100],"applications":[17],"up":[18],"30":[20,30,57],"is":[22,53,64],"discussed.":[23],"Spiral":[24],"inductors":[25,40,79],"with":[26,41,101],"SRF":[27,43],"higher":[28,44],"than":[29,45],"GHz,":[31],"are":[32,80,117],"not":[33],"available":[34],"at":[35,56,89],"foundry":[37],"library.":[38],"Accordingly,":[39],"45":[46],"were":[48],"obtained,":[49],"however":[50],"their":[51],"Q":[52],"only":[54],"5":[55,97],"GHz.":[58,126],"The":[59,66,114],"test":[60,70],"and":[61,69,92],"modeling":[62],"technique":[63],"presented.":[65,82],"design,":[67],"implementation":[68],"two":[73],"stages":[74],"common":[75],"emitter":[76],"amplifier":[77],"without":[78],"also":[81],"It":[83],"has":[84],"8":[86],"dB":[87,94,107,121],"gain":[88,104],"28":[90],"1":[93],"bandwidth":[95],"from":[96,122],"10":[99,120,123],"maximum":[103],"23":[106],"(best":[108],"frequency":[109],"range":[110],"for":[111],"technology).":[113],"return":[115],"losses":[116],"better":[118],"then":[119],"35":[125]},"counts_by_year":[],"updated_date":"2026-03-20T20:47:17.329874","created_date":"2025-10-10T00:00:00"}