Browse by Current Cardiff authors

Piacibello, Anna, Figueiredo, Ricardo, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Giofre, Rocco, Colantonio, Paolo, Borges Carvalho, Nuno and Camarchia, Vittorio 2025. Design and extensive NPR characterization of a highly-linear SatCom GaN MMIC Doherty PA. IEEE Transactions on Microwave Theory and Techniques 73 (1) , pp. 156-166. 10.1109/TMTT.2024.3474092

Zika, F., Albagul, M., Zhang, W., Chodavarapu, S. A., Quaglia, R. ORCID: https://orcid.org/0000-0003-3228-301X and Albagul, A. 2024. Gallium oxide and its applications in electronics: an overview. WSEAS Transactions on Electronics 15 , pp. 118-127. 10.37394/232017.2024.15.14

Baddeley, Alexander, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2024. Calibration error reduction in millimeter-wave load-pull systems measuring highly-reflective loads. IEEE Transactions on Microwave Theory and Techniques 10.1109/TMTT.2024.3495544

Powell, Aquila G., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2024. Efficient output power configuration in a K-Band power amplifier using a split-gate layout. Presented at: 19th European Microwave Integrated Circuits Conference (EuMIC), Paris, France, 23-24 September 2024. 2024 19th European Microwave Integrated Circuits Conference (EuMIC). IEEE, pp. 275-278. 10.23919/eumic61603.2024.10732591

Azad, Ehsan M., Chaudhry, Kauser A., Gannicliffe, Joe and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2024. Design and experimental characterization of an asymmetric GaN MMIC Doherty power amplifier for Ka-Band transmitters. Presented at: 19th European Microwave Integrated Circuits Conference (EuMIC), Paris, France, 23-24 September 2024. 2024 19th European Microwave Integrated Circuits Conference (EuMIC). IEEE, pp. 158-161. 10.23919/eumic61603.2024.10732357

Rubio, Jorge Julian Moreno, Azad, Ehsan M. and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2024. A differential combiner for quasi-complete cancellation of output capacitance in mm-wave power amplifiers with high- Q devices. IEEE Transactions on Microwave Theory and Techniques 72 (9) , pp. 5309-5318. 10.1109/TMTT.2024.3365932

Tian, Mengyue, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Azad, Ehsan M. and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2024. Artificial neural network nonlinear transistor behavioral models: Structure and parameter determination process based on the Cardiff Model. IEEE Transactions on Microwave Theory and Techniques 10.1109/TMTT.2024.3434959

Piacibello, Anna, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Giofre, Rocco, Figueiredo, Ricardo, Colantonio, Paolo, Carvalho, Nuno Borges, Valenta, Vaclav and Camarchia, Vittorio 2024. High-gain and high-linearity MMIC GaN Doherty Power Amplifier with 3-GHz bandwidth for Ka-band satellite communications. IEEE Microwave and Wireless Technology Letters 34 (6) , pp. 765-768. 10.1109/LMWT.2024.3384306

van den Heuvel, Indy, Azad, Ehsan M., Omisakin-Edwards, Mark, Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X, Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2024. A baseband impedance cancellation technique for wideband multi-transistor amplifiers. IEEE Microwave and Wireless Technology Letters 34 (6) , pp. 777-780. 10.1109/LMWT.2024.3390594

Bogusz, Aleksander, Li, Wantao, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Montoro, Gabriel, Gilabert, Pere L. and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2024. Design and characterization of an MMIC current mode outphasing power amplifier. Presented at: IEEE/MTT-S International Microwave Symposium, Washington, DC, USA, 16-21 June 2024. Proceedings of IEEE/MTT-S International Microwave Symposium. IEEE, pp. 580-583. 10.1109/IMS40175.2024.10600335

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X and Powell, Jeff 2024. Impact of matching networks on the impedance settling time in high frequency power amplifiers. Presented at: 2024 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), 21-24 January 2024. Proceedings Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR) 2024. IEEE, pp. 28-30. 10.1109/PAWR59907.2024.10438584

Tian, Mengyue, Urvoy, Jean-Baptiste, Powell, Jeff, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2024. Application of the Cardiff Model for Orthogonal LMBA response prediction. Presented at: 2024 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), 21-24 January 2024. Proceedings Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR) 2024. IEEE, pp. 17-20. 10.1109/PAWR59907.2024.10438664

Ghozati, Seyed Urman ORCID: https://orcid.org/0000-0002-6014-5223, Baddeley, Alexander and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2024. Large-signal characterization and behavioral modeling of mm-wave GaN HEMT switches tailored for advanced power amplifier architectures. Presented at: 2024 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), 21-24 January 2024. Proceedings Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR). IEEE, pp. 21-23. 10.1109/PAWR59907.2024.10438592

Tian, Mengyue, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2024. An extraction method based on artificial neural network techniques for novel Cardiff model with reasonable extrapolation behavior. IEEE Microwave and Wireless Components Letters 34 (1) , pp. 5-8. 10.1109/LMWT.2023.3329979

Van Den Heuvel, Indy, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2023. An envelope model for efficient prediction of the impact of wideband signals on power amplifier performance. Presented at: 2023 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC), 08-11 November 2023. 2023 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC). IEEE, 10.1109/INMMIC57329.2023.10321784

Yuan, Tonghui, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Chaudhry, Kauser, Azad, Ehsan, Powell, Jeff R. and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2023. Output signal re-injection in load modulated balanced amplifiers for RF bandwidth improvement. IEEE Microwave and Wireless Components Letters 33 (10) , pp. 1458-1461. 10.1109/LMWT.2023.3305812

Urvoy, Jean-Baptiste, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff R. and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2023. Experimental characterization of a dual-input OLMBA for back-off efficiency improvement. Presented at: 53rd European Microwave Conference (EuMC), Berlin, Germany, 19-21 September 2023. Proceedings of 53rd European Microwave Conference. IEEE, pp. 267-270. 10.23919/EuMC58039.2023.10290592

Baddeley, Alexander, Woodington, Simon, Gecan, Dragan, Sheikh, Aamir, Lunn, Jamie, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2023. Millimeter-wave on-wafer large signal characterization system for harmonic source/load pull and waveform measurements. Presented at: 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, USA, 11-16 June 2023. Proceedings of the 2023 IEEE/MTT-S International Microwave Symposium (IMS). IEEE, pp. 1101-1104. 10.1109/IMS37964.2023.10187929

Li, Wantao, Bogusz, Aleksander, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X, Montoro, Gabriel and Gilabert, Pere L. 2023. Performance modeling and shaping function extraction for dual-input load modulated power amplifiers. Presented at: 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, USA, 11-16 June 2023. Proceedings of the 2023 IEEE/MTT-S International Microwave Symposium (IMS). IEEE, pp. 203-206. 10.1109/IMS37964.2023.10188039

Ghozati, Seyed U. ORCID: https://orcid.org/0000-0002-6014-5223, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Azad, Ehsan, Powell, Jeff, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2023. Load pull-driven behavioral modelling of microwave switches for the design of tunable reflective terminations. Presented at: EuMW 2024: European Microwave Week 2023, 19 - 21 September 2023.

Tian, Mengyue, Bell, James ORCID: https://orcid.org/0000-0002-4815-2199, Azad, Ehsan, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 2023. A novel Cardiff model coefficients extraction process based on artificial neural network. Presented at: 2023 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless ApplicationsED, MAY BE LINKED, Las Vegas, NV, USA, 22-25 January 2023. 2023 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications. IEEE, 10.1109/PAWR56957.2023.10046221

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Camarchia, Vittorio 2022. PAWR 2023 [RWW 2023]. IEEE Microwave Magazine 23 (12) , p. 30. 10.1109/MMM.2022.3203924

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pang, Jingzhou, Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X and Zhu, Anding 2022. Load-modulated balanced amplifier: from first invention to recent development. IEEE Microwave Magazine 23 (12) , pp. 60-70. 10.1109/MMM.2022.3203940

Azad, Ehsan M., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Chadhary, Kauser, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199 and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2022. Cardiff model utilization for predicting the response of multiple-input power amplifiers. Presented at: Mediterrannean Microwave Symposium (MMS), Pizzo Calabro, Italy, 9-13 May 2022. Proceedings of Microwave Mediterranean Symposium (MMS). IEEE, 10.1109/MMS55062.2022.9825516

Azad, Ehsan M., Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Moreno Rubio, Jorge J. ORCID: https://orcid.org/0000-0003-3376-4464 and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2022. New formulation of Cardiff behavioral model including DC bias voltage dependence. IEEE Microwave and Wireless Components Letters 32 (6) , pp. 607-610. 10.1109/LMWC.2022.3140653

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeffrey R., Chaudhry, Kauser and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2022. Mitigation of load mismatch effects using an orthogonal load modulated balanced amplifier. IEEE Transactions on Microwave Theory and Techniques 70 (6) , pp. 3329-3341. 10.1109/TMTT.2022.3167414

Davies-Smith, Cory, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Woodington, Simon, Sheikh, Aamir and Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 2022. An enhanced active load-pull algorithm for faster convergence. Presented at: European Microwave Week 2021, London, UK, 2-7 April 2022. European Microwave Week 2021 "United in Microwaves" Conference Proceedings. IEEE, p. 354. 10.23919/EuMC50147.2022.9784250

Azad, Ehsan M., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Chaudhry, Kauser, Nghiem, Anh, Sulaksono, Komo and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2022. Load-pull data analysis of a GaN on SiC HEMT targeting multi bias Doherty design. Presented at: International Workshop on Integrated Nonlinear Microwave and Millimeterwave Circuits, INMMIC, Cardiff, UK, 7-8 April 2022. Proceedings of the 2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits. IEEE, 10.1109/INMMiC54248.2022.9762106

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Ramella, Chiara, Piacibello, Anna, Camarchia, Vittorio and Pirola, Marco 2022. K-band GaAs Doherty power amplifiers for microwave backhaul. Presented at: 2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 07-08 April 2022. 2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC54248.2022.9762217

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff, Chaudhry, Kauser and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2022. Effect of HEMT output characteristics on the load mismatch resilience in balanced power amplifiers. Presented at: 2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 07-08 April 2022. 2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC54248.2022.9762184

Piacibello, Anna, Giofre, Rocco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Figueiredo, Ricardo, Carvalho, Nuno, Colantonio, Paolo, Valenta, Vaclav and Camarchia, Vittorio 2022. A 5-w gan doherty amplifier for ka-band satellite downlink with 4-ghz bandwidth and 17-db npr. IEEE Microwave and Wireless Components Letters 32 (8) , pp. 964-967. 10.1109/LMWC.2022.3160227

Baddeley, Alexander, Azad, Ehsan, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James ORCID: https://orcid.org/0000-0002-4815-2199 and Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 2022. Gate bias voltage dependence of Cardiff admittance model in Ka-band GaAs pHEMTs. Presented at: IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Las Vegas, NV, USA, 16-19 January 2022. 2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR). IEEE, pp. 8-10. 10.1109/PAWR53092.2022.9719858

Piacibello, Anna, Moreno Rubio, Jorge Julian, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Camarchia, Vittorio 2022. AM/PM characterization of wideband power amplifiers. Presented at: IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Las Vegas, NV, USA, 16-19 January 2022. Proceedings of IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications. IEEE, 10.1109/PAWR53092.2022.9719787

Costanzo, F., Camarchia, V., Carvalho, N. B., Colantonio, P., Piacibello, A., Quaglia, R. ORCID: https://orcid.org/0000-0003-3228-301X, Valenta, V. and Giofre, R. 2022. A GaN MMIC stacked doherty power amplifier for space applications. Presented at: IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Las Vegas, NV, USA, 16-19 January 2022. Proceedings of Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR). IEEE, pp. 29-31. 10.1109/PAWR53092.2022.9719789

Guillena, Estefania, Li, Wantao, Montoro, Gabriel, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Gilabert, Pere L. 2022. Reconfigurable DPD based on ANNs for wideband load modulated balanced amplifiers under dynamic operation from 1.8 to 2.4 GHz. IEEE Transactions on Microwave Theory and Techniques 70 (1) , pp. 453-465.

Azad, Ehsan M., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Chaudhry, Kauser and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2022. DC-dependent Cardiff model from modulated supply and load-pull data. Presented at: 2022 Asia-Pacific Microwave Conference (APMC), Yokohama, Japan, 29 November 2022 - 02 December 2022. Proceedings of 2022 Asia-Pacific Microwave Conference (APMC). IEEE, pp. 181-183. 10.23919/APMC55665.2022.9999796

Piacibello, Anna, Costanzo, Ferdinando, Giofré, Rocco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Colantonio, Paolo, Pirola, Marco and Camarchia, Vittorio 2021. Evaluation of a stacked-FET cell for high-frequency applications (invited paper). International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 34 (5) , e2881. 10.1002/jnm.2881

Rubio, Jorge Julian Moreno, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Piacibello, Anna, Camarchia, Vittorio, Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2021. 3-20 GHz GaN MMIC Power Amplifier Design Through a COUT Compensation Strategy. IEEE Microwave and Wireless Components Letters 31 (5) , pp. 469-472. 10.1109/LMWC.2021.3066282

Ramella, Chiara, Camarchia, Vittorio, Piacibello, Anna, Piacibello, Anna, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2021. Watt-level 21-25 GHz integrated Doherty power amplifier in GaAs technology. IEEE Microwave and Wireless Components Letters 31 (5) , pp. 505-508. 10.1109/LMWC.2021.3069555

Wang, Teng, Li, Wantao, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Gilabert, Pere L. 2021. Machine-learning assisted optimisation of free-parameters of a dual-input power amplifier for wideband applications. Sensors 21 (8) , 2831. 10.3390/s21082831

Piacibello, Anna, Ramella, Chiara, Camarchia, Vittorio, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Pirola, Marco 2021. A simple method to identify parametric oscillations in power amplifiers using harmonic balance solvers. IEEE Microwave and Wireless Components Letters 31 (3) , pp. 269-271. 10.1109/LMWC.2021.3049939

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2021. Improvement of small signal equivalent simulations for power and efficiency matching of GaN HEMTs. Electronics 10 (3) , 263. 10.3390/electronics10030263

Azad, Ehsan M., Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Moreno Rubio, Jorge J. ORCID: https://orcid.org/0000-0003-3376-4464 and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2020. Gate bias incorporation into Cardiff behavioural modelling formulation. Presented at: IEEE/MTT-S International Microwave Symposium (IMS 2020), Los Angeles, CA, USA, 4-6 August 2020. 2020 IEEE/MTT-S International Microwave Symposium (IMS). IEEE, pp. 420-423. 10.1109/IMS30576.2020.9223817

Collins, David J., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff and Cripps, Stephen ORCID: https://orcid.org/0000-0002-2258-951X 2020. The orthogonal LMBA: a novel RFPA architecture with broadband reconfigurability. IEEE Microwave and Wireless Components Letters 30 (9) , pp. 888-891. 10.1109/LMWC.2020.3010817

Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Baddeley, Alexander, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Cripps, Stephen ORCID: https://orcid.org/0000-0002-2258-951X 2020. Design of a broadband power amplifier based on power and efficiency contours estimation. IEEE Microwave and Wireless Components Letters 30 (8) , 772 -774. 10.1109/LMWC.2020.3005833

Chen, Peng, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Merrick, Brian M., Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940 and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2020. Look-up table method for optimising coupling ratio in broadband sequential power amplifiers. IET Microwaves Antennas and Propagation 14 (13) , pp. 1626-1634. 10.1049/iet-map.2019.1102

Chaudry, Kauser, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Cripps, Steve 2020. A load modulated balanced amplifier with linear gain response and wide high-efficiency output power back-off region. Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 16-17 July 2020. 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC46721.2020.9160205

Chen, Peng, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Merrick, Brian M., Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940 and Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 2020. Efficiency enhancement of a broadband sequential power amplifier using envelope tracking. Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 16-17 July 2020. 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC46721.2020.9160332

Piacibello, Anna, Costanzo, Ferdinando, Giofrè, Rocco, Hayes, David ORCID: https://orcid.org/0000-0002-2303-1622, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Camarchia, Vittorio 2020. GaN Doherty MMIC power amplifiers for satellite Ka-band downlink. Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 16-17 July 2020. 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC46721.2020.9160047

Chen, Peng, Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940, Moreno Rubio, Jorge, Alsahali, Sattam, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Casbon, Michael ORCID: https://orcid.org/0000-0002-8637-9888 and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2020. Optimising linearity of envelope tracking power amplifier using baseband linearisation approach. Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Cardiff, Wales, 16-17 July 2020. 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC). IEEE, pp. 1-3. 10.1109/INMMiC46721.2020.9160347

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2020. A review of technologies and design techniques of millimeter-wave power amplifiers. IEEE Transactions on Microwave Theory and Techniques 68 (7) , pp. 2957-2983. 10.1109/TMTT.2020.2989792

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Piacibello, Anna, Costanzo, Ferdinando, Giofre, Rocco, Casbon, Michael ORCID: https://orcid.org/0000-0002-8637-9888, Leblanc, Remy, Valenta, Vaclav and Camarchia, Vittorio 2020. Source/load-pull characterisation of GaN on Si HEMTs with data analysis targeting Doherty design. Presented at: 2020 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), San Antonio, TX, USA, 26-29 January, 2020. 2020 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR). IEEE, pp. 5-8. 10.1109/PAWR46754.2020.9035999

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Piacibello, Anna, Costanzo, Ferdinando, Giofre, Rocco, Casbon, Michael ORCID: https://orcid.org/0000-0002-8637-9888, Leblanc, Remy, Valenta, Vaclav and Camarchia, Vittorio 2020. Source/load-pull characterisation of GaN on Si HEMTs with data analysis targeting doherty design. Presented at: Radio and Wireless Week 2020, San Antonio, Texas, USA, 26-29 January 2020. -.

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeffrey and Collins, David 2019. Load modulated balanced amplifier. Webster, John G., ed. The Wiley Encyclopedia of Electrical and Electronics Engineering. Vol 3., Wiley-Blackwell,

Bogusz, Aleksander, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Watkins, Gareth and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2019. Wideband compact planar balun for applications in outphasing and push-pull amplifiers. Electronics Letters 55 (16) , pp. 912-914. 10.1049/el.2018.7915

Syed Anera, Syed M. H., Husseini, Thoalfukar, Alsahali, Sattam, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Kermalli, Munawar, Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 and Benedikt, Johannes ORCID: https://orcid.org/0000-0002-9583-2349 2019. High-efficiency broadband PA design based on continuous Class-F mode with compression. Presented at: 2019 IEEE MTT-S International Microwave Symposium, IMS 2019, Boston, USA, 2 -7 June 2019. MTT-S International Microwave Symposium (IMS). IEEE, pp. 698-701. 10.1109/MWSYM.2019.8700767

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Greene, Mark D., Poulton, Matthew J. and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2019. A 1.8-3.2 GHz Doherty Power Amplifier in quasi-MMIC Technology. IEEE Microwave and Wireless Components Letters 29 (5) , pp. 345-347. 10.1109/LMWC.2019.2904883

Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940, Chen, Peng, Alsahali, Sattam, Wang, Guofeng, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552 2019. Impact of the input impedance on the linearity of supply modulated GaN HEMT power amplifiers. Presented at: European Microwave Week 2019 (EuMW2019), 29 September - 03 October 2019.

Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Chen, Peng, Alsahali, Sattam, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552 2019. Class B* - A new high efficiency RF DC/DC converter concept using second harmonic generation/injection. Presented at: WPTC 2018: IEEE MTT-S Wireless Power Transfer Conference, Montreal, Quebec, 3-7 June 2018. 2018 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 10.1109/WPT.2018.8639317

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552 2019. Simplified analysis of the effect of load variation in common Doherty power amplifier architectures. Presented at: 2019 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Orlando, FL, USA, 20-23 Jan 2019. IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR). IEEE,

Piacibello, Anna, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Ramella, Chiara and Pirola, Marco 2019. Optimisation of a Doherty power amplifier based on dual-input characterisation. Presented at: IEEE COMCAS 2019, International Conference on Microwave, Communication, Antennas & Electronic Systems, Tel Aviv, Israel, 4-6 November 2019. Published in: Piacibello, Anna, Quaglia, Roberto, Camarchia, Vittorio, Ramella, Chiara and Pirola, Marco eds. 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 10.1109/COMCAS44984.2019.8958432

Bogusz, Aleksander, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Watkins, Gavin T. and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2019. Design and characterisation of an outphasing power amplifier with balun combiner. Presented at: 2019 IEEE MTT-S International Microwave Conference on Hardware and Systems for 5G and Beyond (IMC-5G), Altanta, GA, USA, 15-16 August 2019. 2019 IEEE MTT-S International Microwave Conference on Hardware and Systems for 5G and Beyond (IMC-5G). IEEE, pp. 1-3. 10.1109/IMC-5G47857.2019.9160351

Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Chen, Peng, Alsahali, Sattam, Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552 2018. Analysis of highly efficient self-synchronous class-F microwave rectifiers using waveform engineering. Presented at: 48th European Microwave Conference (EuMC), Madrid, Spain, 23-27 Sep 2018. Proceedings of the 48th European Microwave Conference. Piscataway, NJ: IEEE, pp. 773-776. 10.23919/EuMC.2018.8541564

Alt, Alexander ORCID: https://orcid.org/0000-0002-7621-4940, Chen, Peng, Alsahali, Sattam, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552 2018. Comparing FET technologies in terms of their suitability for broadband envelope tracking power amplifiers. Presented at: InMMIC, Brive La Gaillarde, 5-6 July 2018. -.

Piacibello, Anna, Pirola, Marco, Camarchia, Vittorio, Ramella, Chiara and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2018. A Ku-band Compact MMIC PA based on Stacked GaAs pHEMT cells. Presented at: International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC), Brive La Gaillarde, France, 5-6 Jul 2018. 2018 International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC). IEEE, 10.1109/INMMIC.2018.8429989

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio and Pirola, Marco 2018. K-band combined GaAs monolithic Doherty power amplifier. Presented at: 2018 IEEE MTT-S International Wireless Symposium (IWS), Chengdu, China, 6-10 May 2018. 2018 IEEE MTT-S International Wireless Symposium (IWS2018). IEEE, 10.1109/IEEE-IWS.2018.8400882

Piacibello, Anna, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Ramella, Chiara and Pirola, Marco 2018. Dual-input driving strategies for performance enhancement of a doherty power amplifier. Presented at: 2018 IEEE MTT-S International Wireless Symposium (IWS), Chengdu, China, 6-10 May 2018. 2018 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 10.1109/IEEE-IWS.2018.8400845

Powell, J. R., Shepphard, D. J., Quaglia, R. ORCID: https://orcid.org/0000-0003-3228-301X and Cripps, S. C. ORCID: https://orcid.org/0000-0002-2258-951X 2018. A power reconfigurable high-efficiency $X$ -band power amplifier MMIC using the load modulated balanced amplifier technique. IEEE Microwave and Wireless Components Letters 28 (6) , pp. 527-529. 10.1109/LMWC.2018.2824560

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff, Shepphard, Dan, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Cripps, Steve 2018. Analysis and characterization of a load modulated balanced amplifier for base-station applications. Presented at: 2018 11th German Microwave Conference (GeMiC), Freiburg, Germany, 12-14 March 2018. 2018 11th German Microwave Conference (GeMiC). IEEE, pp. 1-4. 10.23919/GEMIC.2018.8335013

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2018. A load modulated balanced amplifier for telecom applications. IEEE Transactions on Microwave Theory and Techniques 66 (3) , pp. 1328-1338. 10.1109/TMTT.2017.2766066

Moreno Rubio, Jorge Julian ORCID: https://orcid.org/0000-0003-3376-4464, Camarchia, Vittorio, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2018. Design of a 87% fractional bandwidth Doherty Power Amplifier supported by a simplified bandwidth estimation method. IEEE Transactions on Microwave Theory and Techniques 66 (3) , pp. 1319-1327. 10.1109/TMTT.2017.2767586

Bogusz, Aleksander, Costello, Zack,, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James ORCID: https://orcid.org/0000-0002-4815-2199, Lees, Jonathan ORCID: https://orcid.org/0000-0002-6217-7552, Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 and Cripps, Stephen ORCID: https://orcid.org/0000-0002-2258-951X 2018. Power and efficiency continuous modes in saturated GaN HEMT devices. Presented at: Inmmic 2018, Brive-La-Gaillarde, France, 5- 6 July 2018.

Collins, David, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Powell, Jeff and Cripps, Stephen ORCID: https://orcid.org/0000-0002-2258-951X 2018. Experimental characterization of a load modulated balanced amplifier with simplified input power splitter. Presented at: APMC 2018, Kyoto, Japan, 6-9 Nov 2018.

Ramella, Chiara, Piacibello, Anna, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio and Pirola, Marco 2017. High efficiency power amplifiers for modern mobile communications: The load-modulation approach. Electronics 6 (4) , 96. 10.3390/electronics6040096

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199 and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2017. New general formulation and experimental verification of harmonic clipping contours in high-frequency power devices. IEEE Transactions on Microwave Theory and Techniques 65 (10) , pp. 3903-3909. 10.1109/TMTT.2017.2687900

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Greene, Mark D., Poulton, Matthew J. and Cripps, Steve C. 2017. Design and characterization of a 1.7?2.7 GHz quasi-MMIC Doherty power amplifier. Presented at: 2017 IEEE MTT-S International Microwave Symposium (IMS), Honololu, HI, USA, 4-9 June 2017. 2017 IEEE MTT-S International Microwave Symposium (IMS). IEEE, pp. 771-773. 10.1109/MWSYM.2017.8058689

Camarchia, Vittorio, Colantonio, Paolo, Giannini, Franco, Giofre, Rocco, JIang, Tao, Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Ramella, Chiara 2017. A design strategy for AM/PM compensation in GaN Doherty power amplifiers. IEEE Access 5 , pp. 22244-22251. 10.1109/ACCESS.2017.2759164

Camarchia, Vittorio, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Ramella, Chiara and Pirola, Marco 2017. Power amplifier MMICs for 15 GHz microwave links in 0.25 mu m GaN technology. Presented at: 2017 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop (INMMiC), Graz, Austria, 20-21 April 2017. 2017 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop (INMMiC). IEEE, 10.1109/INMMIC.2017.7927311

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Pirola, Marco and Ghione, Giovanni 2017. A 4W Doherty power amplifier in GaN MMIC technology for 15GHz applications. IEEE Microwave and Wireless Components Letters 27 (4) , pp. 365-367. 10.1109/LMWC.2017.2678440

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Shepphard, Daniel J. and Cripps, Steve ORCID: https://orcid.org/0000-0002-2258-951X 2017. A reappraisal of optimum output matching conditions in microwave power transistors. IEEE Transactions on Microwave Theory and Techniques 65 (3) , pp. 838-845. 10.1109/TMTT.2016.2627557

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Cripps, Stephen Charles ORCID: https://orcid.org/0000-0002-2258-951X 2017. Harmonic clipping contours: numerical computation and extension to higher harmonics. Presented at: European Microwave Conference, London, UK, 3-7 Oct. 2016. Microwave Conference (EuMC), 2016 46th European. IEEE, pp. 405-408. 10.1109/EuMC.2016.7824365

Camarchia, Vittorio, Cipriani, Elisa, Colantonio, Paolo, Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Cabria, Lorena and Ayllon, Natanael 2016. Characterization of a high power GaN device for class E PA design with non-sinusoidal stimulus. Presented at: 2016 11th European Microwave Integrated Circuits Conference (EuMIC), London, UK, 3-4 October 2016. Microwave Integrated Circuits Conference (EuMIC), 2016 11th European. IEEE, p. 53. 10.1109/EuMIC.2016.7777487

Ramella, Chiara, Piacibello, Anna, Camarchia, Vittorio, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2016. Characterization-oriented design of a compact GaAs MMIC 3-stacked power cell. Presented at: Microwave, Radar and Wireless Communications (MIKON), 2016 21st International Conference on, Krakow, Poland, 9-11 May 2016. Microwave, Radar andWireless Communications (MIKON), 2016 21st International Conference on. IEEE, 10.1109/MIKON.2016.7491950

Iqbal, Mustazar, Camarchia, Vittorio, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2016. A miniaturized wilkinson power divider for ultra wide-band operation. Presented at: 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON), 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON). IEEE, 10.1109/MIKON.2016.7492081

Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Camarchia, Vittorio, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Ferney, Angarita Malaver Edison and Pirola, Marco 2016. A 0.6-3.8GHz GaN Power Amplifier designed through a simple strategy. IEEE Microwave and Wireless Components Letters 26 (6) , pp. 446-448. 10.1109/LMWC.2016.2549263

Giofrè, Rocco, Colantonio, Paolo, Giannini, Franco, Ramella, Chiara, Camarchia, Vittorio, Iqbal, Mustazar, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2016. A comprehensive comparison between GaN MMIC Doherty and combined class-AB power amplifiers for microwave radio links. International Journal of Microwave and Wireless Technologies 8 (4-5) , pp. 673-681. 10.1017/S175907871600012X

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Pirola, Marco and Ghione, Giovanni 2016. GaN monolithic power amplifiers for microwave backhaul applications. Electronics 5 (2) , 25. 10.3390/electronics5020025

Camarchia, Vittorio, Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Jee, Seunghoon, Cho, Yunsung and Kim, Bumman 2015. The Doherty power amplifier: review of recent solutions and trends. IEEE Transactions on Microwave Theory and Techniques 63 (2) , pp. 559-571. 10.1109/TMTT.2014.2387061

Giofre, R., Piazzon, L., Colantonio, P., Giannini, F., Camarchia, V., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pirola, M. and Ramella, C. 2015. GaN-MMIC Doherty power amplifier with integrated reconfigurable input network for microwave backhaul applications. Presented at: 2015 IEEE MTT-S International Microwave Symposium (IMS), Phoenix, AZ, 17-22 May 2015. 2015 IEEE MTT-S International Microwave Symposium (IMS). IEEE, 10.1109/MWSYM.2015.7166763

Fersch, T., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pirola, M., Camarchia, V., Ramella, C., Khoshkholgh, A. Javan, Ghione, G. and Weigel, R. 2015. Stacked GaAs pHEMTs: Design of a K-band power amplifier and experimental characterization of mismatch effects. Presented at: 2015 IEEE MTT-S International Microwave Symposium (IMS), Phoenix, AZ, 17-22 May 2015. 2015 IEEE MTT-S International Microwave Symposium (IMS). IEEE, 10.1109/MWSYM.2015.7166762

Chiolerio, Alessandro, Camarchia, Vittorio, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pirola, Marco, Pandolfi, Paolo and Pirri, Candido Fabrizio 2014. Hybrid Ag-based inks for nanocomposite inkjet printed lines: RF properties. Journal of Alloys and Compounds 615 (Supp 1) , S501-S504. 10.1016/j.jallcom.2013.12.174

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Tao, Jiang, Pirola, Marco, Donati Guerrieri, Simona and Loran, Brian 2014. K-Band GaAs MMIC Doherty power amplifier for microwave radio with optimized driver. IEEE Transactions on Microwave Theory and Techniques 62 (11) , pp. 2518-2525. 10.1109/TMTT.2014.2360395

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Pirola, Marco, Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464 and Ghione, Giovanni 2014. Linear GaN MMIC combined power amplifiers for 7-GHz microwave backhaul. IEEE Transactions on Microwave Theory and Techniques 62 (11) , pp. 2700-2710. 10.1109/TMTT.2014.2359856

Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Ghione, Giovanni, Ciccognani, Walter and Limiti, Ernesto 2014. 13-bit GaAs serial-to-parallel converter with compact layout for core-chip applications. Microelectronics Journal 45 (7) , pp. 864-869. 10.1016/j.mejo.2014.04.036

Piazzon, Luca, Giofre, Rocco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Pirola, Marco, Colantonio, Paolo, Giannini, Franco and Ghione, Giovanni 2014. Effect of load modulation on phase distortion in Doherty power amplifiers. IEEE Microwave and Wireless Components Letters 24 (7) , pp. 505-507. 10.1109/LMWC.2014.2316507

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio and Pirola, Marco 2014. Dual-band GaN MMIC power amplifier for microwave backhaul applications. IEEE Microwave and Wireless Components Letters 24 (6) , pp. 409-411. 10.1109/LMWC.2014.2313587

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Giannini, F., Colantonio, P., Piazzon, L., Ghione, G., Camarchia, V., Giofrè, R. and Pirola, M. 2014. Experimental investigation of bias current and load modulation effects in phase distortion of GaN HEMTs. Electronics letters 50 (10) , pp. 773-775. 10.1049/el.2014.0983

Camarchia, Vittorio, Chiolerio, Alessandro, Cotto, Marco, Fang, Jie, Ghione, Giovanni, Pandolfi, Paolo, Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Ramella, Chiara 2014. Demonstration of inkjet-printed silver nanoparticle microstrip lines on alumina for RF power modules. Organic Electronics 15 (1) , pp. 91-98. 10.1016/j.orgel.2013.10.018

Camarchia, Vittorio, Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Pirola, Marco, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Colantonio, Paolo, Giannini, Franco, Giofre, Rocco, Piazzon, Luca, Emanuelsson, Thomas and Wegeland, Tobias 2013. High-Efficiency 7 GHz Doherty GaN MMIC Power Amplifiers for mackhaul radio links. IEEE Transactions of Electron Devices 60 (10) , pp. 3592-3595. 10.1109/TED.2013.2274669

Camarchia, V., Fang, Jie, Ghione, G., Khoshkholgh, A. Javan, Moreno Rubio, J. ORCID: https://orcid.org/0000-0003-3376-4464, Pirola, M., Quaglia, R. ORCID: https://orcid.org/0000-0003-3228-301X and Ramella, C. 2013. Bandwidth extension of GaN Doherty power amplifier: Effect on power, efficiency and linearity. Presented at: 2013 IEEE International Wireless Symposium (IWS), Beijing, China, 14-18 April 2013. 2013 IEEE International Wireless Symposium (IWS). IEEE, pp. 1-4. 10.1109/IEEE-IWS.2013.6616789

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pirola, Marco and Ramella, Chiara 2013. Offset lines in Doherty Power Amplifiers: analytical demonstration and design. IEEE Microwave and Wireless Components Letters 23 (2) , pp. 93-95. 10.1109/LMWC.2013.2241535

Camarchia, Vittorio, Fang, Jie, Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2013. 7 GHz MMIC GaN Doherty Power Amplifier with 47% efficiency at 7 dB output back-off. IEEE Microwave and Wireless Components Letters 23 (1) , pp. 34-36. 10.1109/LMWC.2012.2234090

Fang, Jie, Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Pirola, Marco, Guerrieri, Simona Donati, Ramella, Chiara and Ghione, Giovanni 2012. 3.5 GHz WiMAX GaN doherty power amplifier with second harmonic tuning. Microwave and Optical Technology Letters 54 (11) , pp. 2601-2605. 10.1002/mop.27132

Camarchia, Vittorio, Fang, Jie, Ghione, Giovanni, Rubio, Jorge Moreno, Pirola, Marco and Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X 2012. X-band wideband 5W GaN MMIC power amplifier with large-signal gain equalization. Presented at: 2012 Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits, Dublin, Ireland, 3-4 September 2012. 2012 Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits. IEEE, pp. 1-3. 10.1109/INMMIC.2012.6331935

Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Fang, Jie, Camarchia, Vittorio, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pirola, Marco and Ghione, Giovanni 2012. 3–3.6-GHz wideband GaN Doherty Power Amplifier exploiting output compensation stages. IEEE Transactions on Microwave Theory and Techniques 60 (8) , pp. 2543-2548. 10.1109/TMTT.2012.2201745

Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Fang, Jie, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Pirola, Marco and Ghione, Giovanni 2012. Development of single-stage and doherty GaN-based hybrid RF power amplifiers for quasi-constant envelope and high peak to average power ratio wireless standards. Microwave and Optical Technology Letters 54 (1) , pp. 206-210. 10.1002/mop.26459

Moreno Rubio, Jorge ORCID: https://orcid.org/0000-0003-3376-4464, Fang, Jie, Quaglia, R. ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, V., Pirola, M., Donati Guerrieri, S. and Ghione, G. 2011. A 22W 65% efficiency GaN Doherty Power Amplifier at 3.5 GHz for WiMAX applications. Presented at: 2011 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, Vienna, Austria, 18-19 April 2011. Integrated Nonlinear Microwave and Millimeterwave Circuits, INMMIC, International Workshop on. IEEE, p. 1. 10.1109/INMMIC.2011.5773332

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Camarchia, Vittorio, Cappelluti, Federica, Guerrieri, Simona Donati, Lima, Eduardo G., Ghione, Giovanni and Pirola, Marco 2009. Behavioral modeling of GaN-based power amplifiers: impact of electrothermal feedback on the model accuracy and identification. Microwave and Optical Technology Letters 51 (11) , pp. 2789-2792. 10.1002/mop.24732