Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3142178866', 'doi': 'https://doi.org/10.1007/0-387-23669-4_3', 'title': 'PLL Frequency Synthesizer', 'display_name': 'PLL Frequency Synthesizer', 'publication_year': 2006, 'publication_date': '2006-01-18', 'ids': {'openalex': 'https://openalex.org/W3142178866', 'doi': 'https://doi.org/10.1007/0-387-23669-4_3', 'mag': '3142178866'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/0-387-23669-4_3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.612618, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 61, 'max': 68}, 'biblio': {'volume': None, 'issue': None, 'first_page': '31', 'last_page': '68'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11417', 'display_name': 'Advancements in PLL and VCO Technologies', 'score': 0.9996, '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': 0.9996, '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/T11429', 'display_name': 'Semiconductor Lasers and Optical Devices', 'score': 0.9758, '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/T12941', 'display_name': 'Embedded Systems and FPGA Design', 'score': 0.975, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems 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/pll-multibit', 'display_name': 'PLL multibit', 'score': 0.7089627}, {'id': 'https://openalex.org/keywords/direct-digital-synthesizer', 'display_name': 'Direct digital synthesizer', 'score': 0.53297544}], 'concepts': [{'id': 'https://openalex.org/C12707504', 'wikidata': 'https://www.wikidata.org/wiki/Q52637', 'display_name': 'Phase-locked loop', 'level': 3, 'score': 0.8774657}, {'id': 'https://openalex.org/C182099602', 'wikidata': 'https://www.wikidata.org/wiki/Q2660678', 'display_name': 'Frequency synthesizer', 'level': 4, 'score': 0.8348268}, {'id': 'https://openalex.org/C77881186', 'wikidata': 'https://www.wikidata.org/wiki/Q7119642', 'display_name': 'PLL multibit', 'level': 4, 'score': 0.7089627}, {'id': 'https://openalex.org/C166089067', 'wikidata': 'https://www.wikidata.org/wiki/Q1227465', 'display_name': 'Direct digital synthesizer', 'level': 5, 'score': 0.53297544}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.43920797}, {'id': 'https://openalex.org/C24326235', 'wikidata': 'https://www.wikidata.org/wiki/Q126095', 'display_name': 'Electronic engineering', 'level': 1, 'score': 0.42611706}, {'id': 'https://openalex.org/C119599485', 'wikidata': 'https://www.wikidata.org/wiki/Q43035', 'display_name': 'Electrical engineering', 'level': 1, 'score': 0.32242805}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.26438397}, {'id': 'https://openalex.org/C89631360', 'wikidata': 'https://www.wikidata.org/wiki/Q1428766', 'display_name': 'Phase noise', 'level': 2, 'score': 0.15293834}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/0-387-23669-4_3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 29, 'referenced_works': ['https://openalex.org/W1546952310', 'https://openalex.org/W1554155546', 'https://openalex.org/W1569484296', 'https://openalex.org/W1580047294', 'https://openalex.org/W1592439278', 'https://openalex.org/W1620633355', 'https://openalex.org/W1687130607', 'https://openalex.org/W1873099984', 'https://openalex.org/W2021299670', 'https://openalex.org/W2098808773', 'https://openalex.org/W2107929824', 'https://openalex.org/W2110144707', 'https://openalex.org/W2111662330', 'https://openalex.org/W2115309496', 'https://openalex.org/W2124729073', 'https://openalex.org/W2124747493', 'https://openalex.org/W2124793342', 'https://openalex.org/W2125908308', 'https://openalex.org/W2127604288', 'https://openalex.org/W2130835617', 'https://openalex.org/W2131877799', 'https://openalex.org/W2149785845', 'https://openalex.org/W2153267648', 'https://openalex.org/W2155424442', 'https://openalex.org/W2158496999', 'https://openalex.org/W2169043937', 'https://openalex.org/W2476132743', 'https://openalex.org/W4241636611', 'https://openalex.org/W575489327'], 'related_works': ['https://openalex.org/W3176205612', 'https://openalex.org/W3145870900', 'https://openalex.org/W2379961307', 'https://openalex.org/W2376421545', 'https://openalex.org/W2374761771', 'https://openalex.org/W2371350995', 'https://openalex.org/W2359366503', 'https://openalex.org/W2354027044', 'https://openalex.org/W2353586717', 'https://openalex.org/W2350523680'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3142178866', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}], 'updated_date': '2024-12-09T20:08:43.311255', 'created_date': '2021-04-13'}