{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:45:31Z","timestamp":1760147131760,"version":"build-2065373602"},"reference-count":19,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,1,12]],"date-time":"2023-01-12T00:00:00Z","timestamp":1673481600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ERDF a way of making Europe","award":["PID2021-127712OB-C21","MCIN\/AEI\/10.13039\/501100011033","TESIS2019010100"],"award-info":[{"award-number":["PID2021-127712OB-C21","MCIN\/AEI\/10.13039\/501100011033","TESIS2019010100"]}]},{"name":"Canarian Agency for Research, Innovation, and Information Society (ACIISI) of the Canary Islands Government","award":["PID2021-127712OB-C21","MCIN\/AEI\/10.13039\/501100011033","TESIS2019010100"],"award-info":[{"award-number":["PID2021-127712OB-C21","MCIN\/AEI\/10.13039\/501100011033","TESIS2019010100"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A 1.4-dB Noise Figure (NF) four-stage K-band Monolithic Microwave Integrated Circuit (MMIC) Low-Noise Amplifier (LNA) in UMS 100 nm GaAs pHEMT technology is presented. The proposed circuit is designed to cover the 5G New Release n258 frequency band (24.25\u201327.58 GHz). Momentum EM post-layout simulations reveal the circuit achieves a minimum NF of 1.3 dB, a maximum gain of 34 dB, |S11| better than \u201310 dB from 23 GHz to 29 GHz, a P1dB of \u201318 dBm and an OIP3 of 24.5 dBm. The LNA draws a total current of 59.1 mA from a 2 V DC supply and results in a chip size of 3300 \u00d7 1800 \u00b5m2 including pads. We present a design methodology focused on the selection of the active device size and DC bias conditions to obtain the lowest NF when source degeneration is applied. The design procedure ensures a minimum NF design by selecting a device which facilitates a simple input matching network implementation and obtains a reasonable input return loss thanks to the application of source degeneration. With this approach the input matching network is implemented with a shunt stub and a transmission line, therefore minimizing the contribution to the NF achieved by the first stage. Comparisons with similar works demonstrate the developed circuit is very competitive with most of the state-of-the-art solutions.<\/jats:p>","DOI":"10.3390\/s23020867","type":"journal-article","created":{"date-parts":[[2023,1,12]],"date-time":"2023-01-12T04:29:38Z","timestamp":1673497778000},"page":"867","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["A 2-V 1.4-dB NF GaAs MMIC LNA for K-Band Applications"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0174-7408","authenticated-orcid":false,"given":"David","family":"Galante-Sempere","sequence":"first","affiliation":[{"name":"Institute for Applied Microelectronics (IUMA), Department of Electronics and Automatic Engineering, University of Las Palmas de Gran Canaria (ULPGC), Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0087-2370","authenticated-orcid":false,"given":"Sunil Lalchand","family":"Khemchandani","sequence":"additional","affiliation":[{"name":"Institute for Applied Microelectronics (IUMA), Department of Electronics and Automatic Engineering, University of Las Palmas de Gran Canaria (ULPGC), Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2610-883X","authenticated-orcid":false,"given":"Javier","family":"del Pino","sequence":"additional","affiliation":[{"name":"Institute for Applied Microelectronics (IUMA), Department of Electronics and Automatic Engineering, University of Las Palmas de Gran Canaria (ULPGC), Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"4445","DOI":"10.1109\/TMTT.2020.3012538","article-title":"Design of Low-Power Sub-2.4 dB Mean NF 5G LNAs Using Forward Body Bias in 22 nm FDSOI","volume":"68","author":"Rebeiz","year":"2020","journal-title":"IEEE Trans. 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