A $K$-Band MMIC Cross-Coupled Oscillator With High Output Power in 0.25-$\mu $m GaN HEMT



Wang, Jiayou, Huang, Yi ORCID: 0000-0001-7774-1024, Chang, Yin-Cheng, Liu, Yeke, Chang, Da-Chiang and Hsu, Shawn SH
(2023) A $K$-Band MMIC Cross-Coupled Oscillator With High Output Power in 0.25-$\mu $m GaN HEMT. IEEE Microwave and Wireless Technology Letters, 33 (8). pp. 1-4.

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Abstract

In this letter, a monolithic microwave integrated circuit (MMIC) cross-coupled oscillator with high operating frequency and high output power is proposed using 0.25-µm gallium nitride (GaN) high electron mobility transistor (HEMT) technology. The coupling capacitors in the core circuit are analyzed to obtain high output power with a suitable tank inductor. The π-type matching network is adopted to effectively extract the fundamental output signal. Also, a flip-transistor layout with a shared back via is proposed for reduced interconnect loss and a compact layout. With a chip area of only 0.71 mm2, the measured results demonstrate a maximum output power of 16 dBm at 24.3 GHz, and a phase noise (PN) of −137.9 dBc/Hz at a 10-MHz offset.

Item Type: Article
Uncontrolled Keywords: Gallium nitride (GaN), high electron mobility transistor (HEMT), K-band, monolithic microwave integrated circuit (MMIC), oscillator
Divisions: Faculty of Science and Engineering > School of Electrical Engineering, Electronics and Computer Science
Depositing User: Symplectic Admin
Date Deposited: 30 May 2023 08:45
Last Modified: 06 Apr 2024 01:38
DOI: 10.1109/lmwt.2023.3271989
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3170726