{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T11:03:34Z","timestamp":1770289414240,"version":"3.49.0"},"reference-count":17,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2022,11,16]],"date-time":"2022-11-16T00:00:00Z","timestamp":1668556800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Circuit Theory &amp; Apps"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>A coupled complementary split\u2010ring resonator (CSRR) has been proposed. The proposed resonator consists of two coupled 50\u2010\u03a9 transmission lines and complementary split rings in the ground plane (bottom layer) as defected ground structure (DGS). The proposed bandpass filter (BPF) has a measured stopband attenuation loss of less than \u221220\u2009dB in the frequency band between 2.3 and 2.9\u00a0GHz and a low insertion loss of 1.15\u2009dB. The measurement is carried by a VNA (vector network analyzer) meter of model ZVA67. Then, the proposed resonator (BPF) is utilized with an active device (SiGe BFP 640) as an output matching network of a class\u2010F oscillator. Fundamentally, this research aims to design and model an optimum achievement of BPF for optimum oscillator performance. The design simulation of the CSRR oscillator has been obtained by ADS and CST programs. The proposed band pass filter is designed and fabricated on a Rogers (RO4003C) micro\u2010strip material printed with a dielectric constant epsilon of 3.38 and a thickness of 0.813\u2009mm. Depending on this study, the oscillator displays a minimum phase noise of \u2212109.3 dBc\/Hz at 1\u00a0MHz offset frequency and maximum dBm output power equals 13.4\u00a0dBm at 2.45\u2009GHz oscillation frequency. The power dispassion of the proposed oscillator equals 8.3\u00a0mW from a 2\u00a0V supply voltage. The obtained maximum dBm output power and minimum phase noise is a benefit for power charger wireless applications, sub\u20106\u00a0GHz fifth generation applications, and multistandard applications.<\/jats:p>","DOI":"10.1002\/cta.3503","type":"journal-article","created":{"date-parts":[[2022,11,17]],"date-time":"2022-11-17T02:36:30Z","timestamp":1668652590000},"page":"1570-1578","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Class\u2010F power oscillator based on complementary split ring resonator for sub\u20106\u00a0GHz fifth generation and multistandard applications"],"prefix":"10.1002","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8501-1101","authenticated-orcid":false,"given":"Marwa","family":"Mansour","sequence":"first","affiliation":[{"name":"Microelectronics Department Electronics Research Institute (ERI)  Cairo Egypt"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2145-6774","authenticated-orcid":false,"given":"Islam","family":"Mansour","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, Shoubra Faculty of Engineering Benha University  Cairo Egypt"}]},{"given":"Mohamed","family":"Aboualalaa","sequence":"additional","affiliation":[{"name":"Microstrip Department Electronics Research Institute (ERI)  Cairo Egypt"}]}],"member":"311","published-online":{"date-parts":[[2022,11,16]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"crossref","unstructured":"V\u00e1gnerP KasalM.Bandpass filter design using an open\u2010loop defected ground structure resonator 15th Conference on Microwave Techniques COMITE 2010.2010;77\u201080. doi:10.1109\/COMITE.2010.5481276","DOI":"10.1109\/COMITE.2010.5481276"},{"key":"e_1_2_6_3_1","doi-asserted-by":"crossref","unstructured":"ChenX LiP LinH TongJ ShiX.Open loop resonator bandpass filter with wide stopband using spurlines and 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