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Number of items: 6.

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
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Shepphard, Daniel 2018. Electronically reconfigurable wideband high-power amplifier architecture for modern RF systems (LMBA). PhD Thesis, Cardiff University.
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Shepphard, Daniel J., Powell, Jeffrey and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2017. A broadband reconfigurable load modulated balanced amplifier (LMBA). Presented at: IEEE MTT-S International Microwave Symposium (IMS), Honololu, HI, USA, 4-9 June 2017. 2017 IEEE MTT-S International Microwave Symposium (IMS). IEEE, pp. 943-945. 10.1109/MWSYM.2017.8058743

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
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Shepphard, Daniel, Powell, Jeffrey and Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X 2016. An efficient broadband reconfigurable power amplifier using active load modulation. IEEE Microwave and Wireless Components Letters 26 (6) , pp. 443-445. 10.1109/LMWC.2016.2559503

Powell, J. R., Shepphard, Daniel and Cripps, Stephen Charles ORCID: https://orcid.org/0000-0002-2258-951X 2016. High efficiency GaN 2.5 to 9 GHz power amplifiers realized in multilayer LCP hybrid technology. IEEE Microwave and Wireless Components Letters 26 (6) , pp. 440-442. 10.1109/LMWC.2016.2559502

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