This contribution reports the design and comparison, at simulation level, of two 4 W Ka-band MMIC power amplifiers on a 100 nm GaN/Si commercial process. The amplifiers are designed targeting FMCW radar applications in the 35 GHz - 40 GHz range. The two amplifiers differ for the number of stages: one adopts only 3 stages, the minimum required to achieve the desired 20 dB small-signal gain, while the other features 4 stage to reach 20 dB also in compression. Both versions achieve in simulation an output power in excess of 36 dBm, at 5 dB gain compression, with associated power added efficiency and gain around 30% and 17 dB for the 3-stage version, and 25% and 22 dB for the 4-stage version.
Development of GaN/Si MMIC Power Amplifiers for Millimetre-wave FMCW Radar Applications / Ramella, Chiara; Pirola, Marco; Colantonio, Paolo. - ELETTRONICO. - (2022), pp. 1-4. (Intervento presentato al convegno 2022 24th International Microwave and Radar Conference (MIKON) tenutosi a Gdansk, Poland nel 12-14 September 2022) [10.23919/MIKON54314.2022.9924847].
Development of GaN/Si MMIC Power Amplifiers for Millimetre-wave FMCW Radar Applications
Ramella, Chiara;Pirola, Marco;
2022
Abstract
This contribution reports the design and comparison, at simulation level, of two 4 W Ka-band MMIC power amplifiers on a 100 nm GaN/Si commercial process. The amplifiers are designed targeting FMCW radar applications in the 35 GHz - 40 GHz range. The two amplifiers differ for the number of stages: one adopts only 3 stages, the minimum required to achieve the desired 20 dB small-signal gain, while the other features 4 stage to reach 20 dB also in compression. Both versions achieve in simulation an output power in excess of 36 dBm, at 5 dB gain compression, with associated power added efficiency and gain around 30% and 17 dB for the 3-stage version, and 25% and 22 dB for the 4-stage version.File | Dimensione | Formato | |
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2022133457.pdf
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Ramella-Development.pdf
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https://hdl.handle.net/11583/2974424