A Wideband and Miniaturized 25–90 GHz Low Noise Amplifier Utilizing Periodical Eigenvalue Flattening Technique in GaAs
ABSTRACT This paper presents a wideband and miniaturized LNA from 25 to 90 GHz in GaAs process. A periodical cascading amplifier structure with resistive feedback is proposed for size reduction. To address the challenges of wideband gain flattening, a periodical eigenvalue is derived, which allows for the quantization and subsequent flattening of the overall amplifier response. The prototype achieves a maximum gain of 25 dB and a noise figure of 3.5 dB in the operating frequency band, with core area of only 0.53 mm 2 .
Authors
- Dawei Tang (ORCID: https://orcid.org/0009-0002-7587-6894)
- Peigen Zhou (ORCID: https://orcid.org/0000-0001-9265-8579)
- Sidou Zheng (ORCID: https://orcid.org/0000-0002-4391-5652)
- Wei Hong (ORCID: https://orcid.org/0000-0003-3478-2744)
- Zekun Li (ORCID: https://orcid.org/0000-0003-1763-7190)
- Jixin Chen (ORCID: https://orcid.org/0000-0003-0458-5184)
Institutions
- Southeast University (BD)
- Southeast University (CN)
Publication Details
- Journal
- Electronics Letters
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1049/ell2.70462
- Primary Topic
- Radio Frequency Integrated Circuit Design
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China