Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2093119242', 'doi': 'https://doi.org/10.1002/mop.27819', 'title': 'A Wideband Frequency Synthesizer with High Frequency Resolution', 'display_name': 'A Wideband Frequency Synthesizer with High Frequency Resolution', 'publication_year': 2013, 'publication_date': '2013-07-26', 'ids': {'openalex': 'https://openalex.org/W2093119242', 'doi': 'https://doi.org/10.1002/mop.27819', 'mag': '2093119242'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/mop.27819', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S59479367', 'display_name': 'Microwave and Optical Technology Letters', 'issn_l': '0895-2477', 'issn': ['0895-2477', '1098-2760'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5100995568', 'display_name': 'Ling Tian', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I76569877', 'display_name': 'Southeast University', 'ror': 'https://ror.org/04ct4d772', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I76569877']}, {'id': 'https://openalex.org/I4391768253', 'display_name': 'State Key Laboratory of Millimeter Waves', 'ror': 'https://ror.org/02q1v5910', 'country_code': None, 'type': 'facility', 'lineage': ['https://openalex.org/I4391768253', 'https://openalex.org/I76569877']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Ling Tian', 'raw_affiliation_strings': ['State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University Nanjing China'], 'affiliations': [{'raw_affiliation_string': 'State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University Nanjing China', 'institution_ids': ['https://openalex.org/I76569877', 'https://openalex.org/I4391768253']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5100390370', 'display_name': 'Jiaqi Liu', 'orcid': 'https://orcid.org/0000-0002-8927-8003'}, 'institutions': [{'id': 'https://openalex.org/I4391768253', 'display_name': 'State Key Laboratory of Millimeter Waves', 'ror': 'https://ror.org/02q1v5910', 'country_code': None, 'type': 'facility', 'lineage': ['https://openalex.org/I4391768253', 'https://openalex.org/I76569877']}, {'id': 'https://openalex.org/I76569877', 'display_name': 'Southeast University', 'ror': 'https://ror.org/04ct4d772', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I76569877']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Jiaqi Liu', 'raw_affiliation_strings': ['State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University Nanjing China'], 'affiliations': [{'raw_affiliation_string': 'State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University Nanjing China', 'institution_ids': ['https://openalex.org/I4391768253', 'https://openalex.org/I76569877']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3040, 'currency': 'USD', 'value_usd': 3040, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.438652, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 65, 'max': 72}, 'biblio': {'volume': '55', 'issue': '10', 'first_page': '2454', 'last_page': '2457'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11417', 'display_name': 'Advancements in PLL and VCO Technologies', 'score': 0.9999, '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/T11417', 'display_name': 'Advancements in PLL and VCO Technologies', 'score': 0.9999, '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/T11697', 'display_name': 'Numerical Methods and Algorithms', 'score': 0.9992, 'subfield': {'id': 'https://openalex.org/subfields/1703', 'display_name': 'Computational Theory and Mathematics'}, '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/T11034', 'display_name': 'Digital Filter Design and Implementation', 'score': 0.9946, 'subfield': {'id': 'https://openalex.org/subfields/1711', 'display_name': 'Signal Processing'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/direct-digital-synthesizer', 'display_name': 'Direct digital synthesizer', 'score': 0.9012914}, {'id': 'https://openalex.org/keywords/frequency-multiplier', 'display_name': 'Frequency multiplier', 'score': 0.8198097}, {'id': 'https://openalex.org/keywords/wideband', 'display_name': 'Wideband', 'score': 0.7467056}, {'id': 'https://openalex.org/keywords/dbc', 'display_name': 'dBc', 'score': 0.6737679}], 'concepts': [{'id': 'https://openalex.org/C182099602', 'wikidata': 'https://www.wikidata.org/wiki/Q2660678', 'display_name': 'Frequency synthesizer', 'level': 4, 'score': 0.9097623}, {'id': 'https://openalex.org/C166089067', 'wikidata': 'https://www.wikidata.org/wiki/Q1227465', 'display_name': 'Direct digital synthesizer', 'level': 5, 'score': 0.9012914}, {'id': 'https://openalex.org/C146002875', 'wikidata': 'https://www.wikidata.org/wiki/Q1074289', 'display_name': 'Frequency multiplier', 'level': 3, 'score': 0.8198097}, {'id': 'https://openalex.org/C89631360', 'wikidata': 'https://www.wikidata.org/wiki/Q1428766', 'display_name': 'Phase noise', 'level': 2, 'score': 0.79787105}, {'id': 'https://openalex.org/C2780202535', 'wikidata': 'https://www.wikidata.org/wiki/Q4524457', 'display_name': 'Wideband', 'level': 2, 'score': 0.7467056}, {'id': 'https://openalex.org/C193523891', 'wikidata': 'https://www.wikidata.org/wiki/Q1771950', 'display_name': 'dBc', 'level': 3, 'score': 0.6737679}, {'id': 'https://openalex.org/C74982907', 'wikidata': 'https://www.wikidata.org/wiki/Q1455624', 'display_name': 'Frequency divider', 'level': 3, 'score': 0.6320484}, {'id': 'https://openalex.org/C12707504', 'wikidata': 'https://www.wikidata.org/wiki/Q52637', 'display_name': 'Phase-locked loop', 'level': 3, 'score': 0.5944078}, {'id': 'https://openalex.org/C24326235', 'wikidata': 'https://www.wikidata.org/wiki/Q126095', 'display_name': 'Electronic engineering', 'level': 1, 'score': 0.549761}, {'id': 'https://openalex.org/C2776257435', 'wikidata': 'https://www.wikidata.org/wiki/Q1576430', 'display_name': 'Bandwidth (computing)', 'level': 2, 'score': 0.44326454}, {'id': 'https://openalex.org/C175291020', 'wikidata': 'https://www.wikidata.org/wiki/Q1156822', 'display_name': 'Offset (computer science)', 'level': 2, 'score': 0.41476667}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.39073122}, {'id': 'https://openalex.org/C119599485', 'wikidata': 'https://www.wikidata.org/wiki/Q43035', 'display_name': 'Electrical engineering', 'level': 1, 'score': 0.38682905}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.33851177}, {'id': 'https://openalex.org/C76155785', 'wikidata': 'https://www.wikidata.org/wiki/Q418', 'display_name': 'Telecommunications', 'level': 1, 'score': 0.22145179}, {'id': 'https://openalex.org/C46362747', 'wikidata': 'https://www.wikidata.org/wiki/Q173431', 'display_name': 'CMOS', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/mop.27819', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S59479367', 'display_name': 'Microwave and Optical Technology Letters', 'issn_l': '0895-2477', 'issn': ['0895-2477', '1098-2760'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.49, 'display_name': 'Affordable and clean energy', 'id': 'https://metadata.un.org/sdg/7'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 13, 'referenced_works': ['https://openalex.org/W1988636259', 'https://openalex.org/W2004433520', 'https://openalex.org/W2030120310', 'https://openalex.org/W2117882844', 'https://openalex.org/W2129876157', 'https://openalex.org/W2138627512', 'https://openalex.org/W2143644422', 'https://openalex.org/W2161676627', 'https://openalex.org/W2162551450', 'https://openalex.org/W2315211655', 'https://openalex.org/W2495204231', 'https://openalex.org/W2522139109', 'https://openalex.org/W2539924535'], 'related_works': ['https://openalex.org/W3095898867', 'https://openalex.org/W2769992427', 'https://openalex.org/W2394106628', 'https://openalex.org/W2384857702', 'https://openalex.org/W2371029054', 'https://openalex.org/W2370071821', 'https://openalex.org/W2350996794', 'https://openalex.org/W2099990255', 'https://openalex.org/W2093119242', 'https://openalex.org/W1975478216'], 'abstract_inverted_index': {'ABSTRACT': [0], 'This': [1], 'article': [2], 'presents': [3], 'the': [4, 24, 67, 103], 'design': [5], 'and': [6, 44, 94, 100], 'implementation': [7], 'of': [8, 39, 48, 58, 69, 81, 106], 'a': [9, 15, 20], 'wideband': [10], 'frequency': [11, 28, 68, 73, 92, 98, 104], 'synthesizer': [12, 41, 59, 74, 107], 'which': [13], 'uses': [14], 'direct': [16], 'digital': [17], 'synthesis': [18], 'as': [19], 'fractional': [21], 'divider': [22, 101], 'in': [23], 'phase‐locked': [25], 'loop.': [26], 'The': [27, 54, 72, 117], 'resolution': [29], 'is': [30, 42, 52, 60, 119], '7.1': [31], '×': [32], '10': [33], '−5': [34], 'Hz.': [35], 'A': [36, 46], 'phase‐domain': [37], 'model': [38, 75], 'this': [40], 'analyzed': [43], 'simulated.': [45], 'formula': [47], 'output': [49, 55], 'phase': [50, 56, 85], 'noise': [51, 57], 'derived.': [53], '−124': [61], 'dBc/Hz': [62], '(10': [63], 'kHz': [64], 'offset)': [65], 'at': [66], '1': [70], 'GHz.': [71, 116], 'has': [76], 'been': [77], 'designed': [78], 'with': [79], 'advantages': [80], 'wide': [82], 'bandwidth,': [83], 'low': [84, 89], 'noise,': [86], 'high‐frequency': [87], 'resolution,': [88], 'spurious,': [90], 'high': [91], 'stability,': [93], 'simple': [95], 'structure.': [96], 'With': [97], 'multiplier': [99], 'module,': [102], 'band': [105], 'can': [108], 'be': [109], 'extended': [110], 'from': [111], '250': [112], 'MHz': [113], 'to': [114], '8': [115], 'module': [118], 'suitable': [120], 'for': [121], 'communication': [122], 'instrument.': [123], '©': [124], '2013': [125, 134], 'Wiley': [126], 'Periodicals,': [127], 'Inc.': [128], 'Microwave': [129], 'Opt': [130], 'Technol': [131], 'Lett': [132], '55:2454–2457,': [133]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2093119242', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}], 'updated_date': '2024-12-15T11:33:34.901602', 'created_date': '2016-06-24'}