Search Results - "Giofre, Rocco"

A High Efficiency and Low Distortion 6 W GaN MMIC Doherty Amplifier for 7 GHz Radio Links by Giofre, Rocco, Colantonio, Paolo

“…This contribution presents a novel design methodology for Gallium Nitride (GaN) Monolithic Microwave Integrated Circuit (MMIC) Doherty Power Amplifiers (DPAs)…”
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A Doherty Architecture With High Feasibility and Defined Bandwidth Behavior by Giofre, Rocco, Piazzon, Luca, Colantonio, Paolo, Giannini, Franco

“…This paper presents a complete and rigorous theoretical investigation of a Doherty architecture with a novel output combining network. The benefits in terms of…”
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An Ultra-Broadband GaN Doherty Amplifier with 83% of Fractional Bandwidth by Giofre, Rocco, Piazzon, Luca, Colantonio, Paolo, Giannini, Franco

“…This letter presents the design and characterization of an ultra-broadband GaN Doherty amplifier with more than an octave bandwidth. The developed architecture…”
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A Design Approach for Two Stages GaN MMIC PAs With High Efficiency and Excellent Linearity by Giofre, Rocco, Colantonio, Paolo, Giannini, Franco

“…A novel design methodology for two stages microwave monolithic integrated circuit (MMIC) power amplifier (PA) is presented. The proposed solution allows to…”
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A Design Approach to Maximize the Efficiency vs. Linearity Trade-Off in Fixed and Modulated Load GaN Power Amplifiers by Giofre, Rocco, Colantonio, Paolo, Giannini, Franco

“…This paper proposes a design method to minimize the phase distortion (AM/PM) in gallium nitride (GaN) power amplifiers (PAs) without significantly worsening…”
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15% bandwidth 7 GHz GaN-MMIC Doherty amplifier with enhanced auxiliary chain by Piazzon, Luca, Colantonio, Paolo, Giannini, Franco, Giofré, Rocco

“…ABSTRACT This contribution presents the development and characterization of a GaN Doherty power amplifier for backhaul microwave links in the 6.35–7.35 GHz…”
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A Design Strategy for AM/PM Compensation in GaN Doherty Power Amplifiers by Camarchia, Vittorio, Colantonio, Paolo, Giannini, Franco, Giofrè, Rocco, Tao Jiang, Pirola, Marco, Quaglia, Roberto, Ramella, Chiara

“…This paper presents the theoretical analysis of phase distortion (AM/PM) mechanisms in Gallium Nitride (GaN) Doherty power amplifiers (DPAs) and a novel…”
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A 28 GHz MMIC Doherty Power Amplifier in GaN on Si Technology for 5G Applications by Giofre, Rocco, Del Gaudio, Alessandro, Limiti, Ernesto

“…This contribution is focused on the experimental characterization of a Doherty Power Amplifier (DPA) realized on a 100 nm gate length Gallium Nitride on…”
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Asymmetrical Doherty power architecture with an integrated driver stage in the auxiliary branch by Piazzon, Luca, Colantonio, Paolo, Giannini, Franco, Giofré, Rocco

“…ABSTRACT This contribution presents the analysis, design and characterization of a high gain Doherty power amplifier implementing an integrated Driver stage in…”
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A Simple Test to Check the Inherent-Stability Proviso on Field-Effect Transistors by Colangeli, Sergio, Giofre, Rocco, Ciccognani, Walter, Limiti, Ernesto

“…Available techniques for stability analysis of DC solutions, such as the popular Ohtomo test, make the task quite a straightforward one. Such tests are based…”
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3-Way Doherty Power Amplifiers: Design Guidelines and MMIC Implementation at 28 GHz by Piacibello, Anna, Camarchia, Vittorio, Colantonio, Paolo, Giofre, Rocco

“…This article presents the design strategy and the implementation of a three-way Doherty power amplifier (DPA3W) to enhance the efficiency at deep power…”
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A C-band high-efficiency second-harmonic-tuned hybrid power amplifier in GaN technology by Colantonio, P., Giannini, F., Giofre, R., Limiti, E., Serino, A., Peroni, M., Romanini, P., Proietti, C.

“…In this paper, the design, fabrication, and test of high-efficiency, high-power C-band harmonic-tuned power amplifiers in GaN technology is reported. The…”
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Empowering the Bandwidth of Continuous-Mode Symmetrical Doherty Amplifiers by Leveraging on Fuzzy Logic Techniques by Naah, Gideon, Giofre, Rocco

“…Achieving a fractional bandwidth (FBW) of more than 60% has been a challenging problem for two-way symmetrical Doherty power amplifiers (TW-SDPAs) that are…”
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Design and Extensive NPR Characterization of a Highly Linear SatCom GaN MMIC Doherty PA by Piacibello, Anna, Figueiredo, Ricardo, Quaglia, Roberto, Giofre, Rocco, Colantonio, Paolo, Carvalho, Nuno Borges, Camarchia, Vittorio

“…This article presents the design strategy and extensive noise-to-power ratio (NPR)-focused characterization of a state-of-the-art Doherty power amplifier (DPA)…”
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An Efficient and Linear SSPA With Embedded Power Flexibility for Ka -Band Downlink SatCom Applications by Giofre, Rocco, Cabria, Lorena, Leblanc, Remy, Lopez, Mariano, Vitobello, Fabio, Colantonio, Paolo

“…This article presents the design, realization, and experimental characterization of a solid-state power amplifier (SSPA) conceived for <inline-formula>…”
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A Two-Way GaN Doherty Amplifier for 5G FR2 With Extended Back-Off Range by Giofre, Rocco, Piacibello, Anna, Camarchia, Vittorio, Colantonio, Paolo

“…This article presents the design and experimental characterization of a two-way gallium nitride on silicon carbide (GaN-SiC) monolithic Doherty power amplifier…”
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32-36-GHz Single-Chip Front-End MMIC Featuring 35-dBm Output Power and 3.2-dB Noise Figure With 60- and 100-nm GaN/Si HEMTs by Longhi, Patrick E., Pace, Lorenzo, Costanzo, Ferdinando, Ciccognani, Walter, Colangeli, Sergio, Giofre, Rocco, Leblanc, Remy, Suriani, Andrea, Vitobello, Fabio, Limiti, Ernesto

“…The design, realization, and test of a <inline-formula> <tex-math notation="LaTeX">Ka </tex-math></inline-formula>-band gallium nitride (GaN) monolithic…”
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A 3-Way GaN Doherty Power Amplifier for 28 GHz 5G FR2 Operation by Piacibello, Anna, Giofre, Rocco, Colantonio, Paolo, Camarchia, Vittorio

“…This paper presents the design, fabrication, and experimental characterization of a 3-way multi-stage Doherty amplifier working in the 5G NR FR2 bands centered…”
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A Broadband Doherty Power Amplifier for Sub-6GHz 5G Applications by Shahmoradi, Mohammad, Javid-Hosseini, Sayyed-Hossein, Nayyeri, Vahid, Giofrè, Rocco, Colantonio, Paolo

“…This paper presents a novel and accurate procedure for designing a Doherty power amplifier (DPA) for wireless systems. The method is based on a systematic…”
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S-Band GaN Single-Chip Front End for Active Electronically Scanned Array With 40-W Output Power and 1.75-dB Noise Figure by Giofre, Rocco, Colangeli, Sergio, Ciccognani, Walter, Costanzo, Ferdinando, Polli, Giorgio, Salvucci, Alessandro, Vittori, Marco, Sotgia, Manuela, Cirillo, Maurizio, Limiti, Ernesto

“…The design, realization, and tests of an S-band gallium nitride (GaN) monolithic microwave integrated circuit (MMIC) single-chip front end (SCFE) is presented…”
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