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Number of items: 57.

Bogusz, Aleksander, Lees, Jonathan, Quaglia, Roberto, Watkins, Gareth and Cripps, Steve 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
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Cappello, Tommaso, Pednekar, Prathamesh, Florian, Corrado, Cripps, Steve, Popovic, Zoya and Barton, Taylor W. 2019. Supply- and load-modulated balanced amplifier for efficient broadband 5G base stations. IEEE Transactions on Microwave Theory and Techniques 67 (7) , pp. 3122-3133. 10.1109/TMTT.2019.2915082

Quaglia, Roberto, Greene, Mark D., Poulton, Matthew J. and Cripps, Steve C. 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
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Parker, Nyle, Hefford, Samuel, Lees, Jonathan, Cripps, Stephen and Porch, Adrian 2019. A novel VHF heating system to aid selective laser melting. Presented at: 2019 IEEE MTT-S International Microwave Symposium, IMS 2019, Boston, USA, 2 -7 June 2019. -.

Powell, J. R., Shepphard, D. J., Quaglia, R. and Cripps, S. C. 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 and Cripps, Stephen 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
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Bogusz, Aleksander, Costello, Zack,, Quaglia, Roberto, Bell, James, Lees, Jonathan, Tasker, Paul and Cripps, Stephen 2018. Power and efficiency continuous modes in saturated GaN HEMT devices. Presented at: Inmmic 2018, Brive-La-Gaillarde, France, 5- 6 July 2018.
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Collins, David, Quaglia, Roberto, Powell, Jeff and Cripps, Stephen 2018. Experimental characterization of a load modulated balanced amplifier with simplified input power splitter. Presented at: APMC 2018, Kyoto, Japan, 6-9 Nov 2018.
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Shepphard, Daniel J., Powell, Jeffrey and Cripps, Steve C. 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, Bell, James Joseph and Cripps, Stephen Charles 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
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Quaglia, Roberto, Shepphard, Daniel and Cripps, Stephen 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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Cripps, Steve C. 2017. Great Equations? [Microwave Bytes]. IEEE Microwave Magazine 18 (2) , pp. 24-27. 10.1109/MMM.2016.2635924

Smith, R. M. H. and Cripps, Stephen Charles 2017. Broadband push-pull power amplifier design at microwave frequencies. Presented at: 2016 46th European Microwave Conference (EuMC), 4-6 October 2016. 2016 46th European Microwave Conference (EuMC). IEEE, pp. 1353-1356. 10.1109/EuMC.2016.7824603

Quaglia, Roberto and Cripps, Stephen Charles 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
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Al-Ziayree, Ali Mahdi Lafta, Perks, Richard Marc and Cripps, Stephen Charles 2017. A 25 µm spatial resolution broadband microwave voltage probe. Presented at: 2016 International Conference for Students on Applied Engineering (ICSAE), Newcastle upon Tyne, UK, 20-21 October 2016. International Conference for Students on Applied Engineering (ICSAE). IEEE, pp. 7-11. 10.1109/ICSAE.2016.7810152

Yusoff, Zubaida, Annuar, Fatahiyah Mohd, Kung, Fabian, Hashim, Shaiful Jahari, Lees, Jonathan and Cripps, Stephen Charles 2016. The effect of tracking generator efficiency to overall RF power amplifier system efficiency. Presented at: 2016 IEEE International Conference on Semiconductor Electronics (ICSE), 17-19 August 2016. 2016 IEEE International Conference on Semiconductor Electronics (ICSE). IEEE, pp. 344-347. 10.1109/SMELEC.2016.7573662

Al-Ziayree, Ali Mahdi Lafta, Cripps, Stephen Charles and Perks, Richard Marc 2016. A novel microwave non contact current probe with high spatial resolution. Presented at: 2016 IEEE MTT-S International Microwave Symposium (IMS), San Francisco, CA, USA, 22-27 May 2016. 2016 IEEE MTT-S International Microwave Symposium (IMS). IEEE, pp. 1-3. 10.1109/MWSYM.2016.7540265

Powell, J. R., Shepphard, Daniel and Cripps, Stephen Charles 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

Shepphard, Daniel, Powell, Jeffrey and Cripps, Stephen Charles 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

Loescher, David, Tasker, Paul and Cripps, Stephen 2016. Using waveform engineering to understand the impact of harmonic terminations during 5:1 VSWR stress tests. Presented at: Power Amplifiers for Wireless and Radio Applications (PAWR), 2016 IEEE Topical Conference on, Austin, TX, USA, 24-27 Jan. 2016. 2016 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications (PAWR). IEEE, pp. 49-52. 10.1109/PAWR.2016.7440161

Cripps, Stephen Charles 2015. Behavioral swing [microwave bytes]. IEEE Microwave Magazine 16 (10) , pp. 20-25. 10.1109/MMM.2015.2465714

Cripps, Stephen Charles 2015. Intermodulation squared response [Microwave bytes]. IEEE Microwave Magazine 16 (5) , pp. 102-106. 10.1109/MMM.2015.2410617

Cripps, Stephen Charles 2015. The evolution of the push-pull RFPA. Presented at: 2015 IEEE MTT-S International Microwave Symposium, Phoenix, AZ, USA, 17-22 May 2015. 2015 IEEE MTT-S International Microwave Symposium. IEEE, pp. 1-4.

Dehghan, N. and Cripps, Stephen Charles 2015. A novel in-situ calibration technique for a high resolution E-Field probe. Presented at: 2015 IEEE MTT-S International Microwave Symposium, Phoenix, AZ, USA, 17-22 May 2015. 2015 IEEE MTT-S International Microwave Symposium. IEEE, pp. 1-3.

Canning, Tim, Powell, Jeff R. and Cripps, Stephen Charles 2014. Optimal design of broadband microwave baluns using single-layer planar circuit technology. IEEE Transactions on Microwave Theory and Techniques 62 (5) , pp. 1183-1191. 10.1109/TMTT.2014.2311417

Canning, Timothy A. J., Tasker, Paul J. and Cripps, Steven Charles 2014. Continuous mode power amplifier design using harmonic clipping contours: theory and practice. IEEE Transactions on Microwave Theory and Techniques 62 (1) , pp. 100-110. 10.1109/TMTT.2013.2292675

Canning, Timothy A. J., Tasker, Paul J. and Cripps, Stephen Charles 2013. Waveform evidence of gate harmonic short circuit benefits for high efficiency x-band power amplifiers. IEEE Microwave and Wireless Components Letters 23 (8) , pp. 439-441. 10.1109/LMWC.2013.2272317

Canning, Timothy A. J., Tasker, Paul J. and Cripps, Stephen Charles 2013. Load Pull verification of a novel Class B/J design tool: Second harmonic clipping contours. Presented at: 81 st ARFTG Microwave Measurement Conference, Seattle, WA, USA, 7 June 2013. Microwave Measurement Conference (ARFTG), 2013 81st ARFTG. IEEE, pp. 1-3. 10.1109/ARFTG.2013.6579040

Haynes, Mervin, Tasker, Paul J. and Cripps, Stephen Charles 2013. High efficiency PA design strategy at X-Band. Presented at: 2013 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS), Monterey, CA, USA, 13-16 October 2013. Compound Semiconductor Integrated Circuit Symposium (CSICS), 2013 IEEE. IEEE, pp. 1-4. 10.1109/CSICS.2013.6659232

Yusoff, Zubaida, Lees, Jonathan, Chaudhary, Muhammad Akmal, Carrubba, Vincenzo, Choi, Heungjae, Tasker, Paul J. and Cripps, Stephen Charles 2013. Simple and low-cost tracking generator design in envelope tracking radio frequency power amplifier system for WCDMA applications. IET Microwaves, Antennas & Propagation 7 (10) , pp. 802-808. 10.1049/iet-map.2013.0091

Carrubba, Vincenzo, Akmal, Muhammad, Quay, Rüdiger, Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul J. 2012. The Continuous Inverse Class-F Mode With Resistive Second-Harmonic Impedance. IEEE Transactions on Microwave Theory and Techniques 60 (6) , pp. 1928-1936. 10.1109/TMTT.2012.2189228

Carrubba, V., Quay, R., Schlechtweg, M., Ambacher, O., Akmal, M., Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Cripps, Stephen Charles 2012. Continuous-ClassF3 power amplifier mode varying simultaneously first 3 harmonic impedances. Presented at: 2012 IEEE MTT-S International Microwave Symposium Digest, Montreal, Canada, 17-22 June 2012. Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International. IEEE, pp. 1-3. 10.1109/MWSYM.2012.6258343

Smith, R. M., Lees, Jonathan, Tasker, Paul J., Benedikt, Johannes and Cripps, Stephen Charles 2012. A 40W push-pull power amplifier for high efficiency, decade bandwidth applications at microwave frequencies. Presented at: 2012 IEEE MTT-S International Microwave Symposium Digest (MTT, Montreal, Canada, 17-22 June 2012. Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International. IEEE, pp. 1-3. 10.1109/MWSYM.2012.6259418

Smith, Robert Martin, Lees, Jonathan, Tasker, Paul J., Benedikt, Johannes and Cripps, Stephen Charles 2012. A Novel Formulation for High Efficiency Modes in Push-Pull Power Amplifiers Using Transmission Line Baluns. IEEE Microwave and Wireless Components Letters 22 (5) , pp. 257-259. 10.1109/LMWC.2012.2191273

Tasker, Paul J., Carrubba, Vincenzo, Wright, P., Lees, Jonathan, Benedikt, Johannes and Cripps, Stephen Charles 2012. Wideband PA design: The "continuous" mode of operation. Presented at: Compound Semiconductor Integrated Circuit Symposium (CSICS), La Jolla, CA, USA, 14-17 October 2012. Compound Semiconductor Integrated Circuit Symposium (CSICS), 2012 IEEE. IEEE, pp. 1-4. 10.1109/CSICS.2012.6340048

Carrubba, Vincenzo, Clarke, Alan Leslie, Akmal, Muhammad, Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Cripps, Stephen Charles 2011. On the extension of the continuous class-F mode power amplifier. IEEE Transactions on Microwave Theory and Techniques 59 (5) , pp. 1294-1303. 10.1109/TMTT.2011.2117435

Yusoff, Zubaida Binti, Akmal, Muhammad, Carrubba, Vincenzo, Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Cripps, Stephen Charles 2011. The benefit of GaN characteristics over LDMOS for linearity improvement using drain modulation in power amplifier system. Presented at: 2011 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, Vienna, Austria, 18-19 April 2011. 2011 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC 2011). New York: IEEE, pp. 109-112. 10.1109/INMMIC.2011.5773334

Carrubba, Vincenzo, Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Cripps, Stephen Charles 2011. A novel highly efficient broadband continuous class-F RFPA delivering 74% average efficiency for an octave bandwidth. Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 2011. 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011. New York: IEEE, pp. 350-353. 10.1109/MWSYM.2011.5972701

Yusoff, Zubaida Binti, Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Cripps, Stephen Charles 2011. Linearity improvement in RF power amplifier system using integrated Auxiliary Envelope Tracking system. Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 2011. Published in: Seigel, Peter, Remley, Kate, Tzuang, C. and Ponchak, George eds. 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011. New York: IEEE, pp. 1752-1755. 10.1109/MWSYM.2011.5972769

FitzPatrick, Dominic, Saini, Randeep, Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul J. 2011. A waveform engineering approach to the design of improved efficiency wideband MMIC amplifiers. Presented at: Wireless and Microwave Technology Conference (WAMICON), 2011 IEEE 12th Annual., Clearwater Beach, FL, USA, 18-19 April 2011. 2011 IEEE 12th Annual Wireless and Microwave Technology Conference (WAMICON), Clearwater Beach, FL, 18-19 April 2011. Los Alamitos, CA: IEEE, pp. 225-230. 10.1109/WAMICON.2011.5872859

Smith, Robert Martin, Cripps, Stephen Charles, Tasker, Paul J., Benedikt, Johannes and Lees, Jonathan 2011. A design methodology for the realization of multi-decade baluns at microwave frequencies. Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 2011. Published in: Seigel, Peter, Remley, Kate, Tzuang, C. and Ponchak, George eds. 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011. New York: IEEE, pp. 1204-1208. 10.1109/MWSYM.2011.5972702

Powell, J. R., Uren, Michael John, Martin, T., McLachlan, A., Tasker, Paul J., Bell, James Joseph, Saini, Randeep, Woodington, Simon Philip, Benedikt, Johannes and Cripps, Stephen Charles 2011. GaAs X-band high efficiency (65%) broadband (30%) amplifier MMIC based on the Class B to Class J continuum. Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 2011. Published in: Seigel, Peter, Remley, Kate, Tzuang, C. and Ponchak, George eds. 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011. New York: IEEE, p. 355. 10.1109/MWSYM.2011.5973350

Carrubba, Vincenzo, Clarke, Alan Leslie, Woodington, Simon P., McGenn, William, Akmal, Muhammad, Almuhaisen, Abdullah, Lees, Jonathan, Cripps, Stephen Charles, Tasker, Paul J. and Benedikt, Johannes 2011. High-speed device characterization using an active load-pull system and waveform engineering postulator. Presented at: 2011 77th ARFTG Microwave Measurement Conference (ARFTG), Baltimore, MD, USA, 10 June 2011. Design and Measurement of Microwave Systems - Proceedings of the 2011 77th ARFTG Microwave Measurement Conference (ARFTG). Los Alamitos, CA: IEEE, 10.1109/ARFTG77.2011.6034553

Canning, Timothy A. J., Almuhaisen, Abdullah, Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul J. 2011. Utilization of RF I-V waveform load-pull information to identify the role FET knee profile has on locating the efficiency maxima. Presented at: 2011 78th ARFTG Microwave Measurement Symposium (ARFTG), Tempe, AZ, USA, 1-2 December 2011. Proceedings of the 2011 78th ARFTG Microwave Measurement Symposium (ARFTG) - High Power RF Measurement Techniques. Los Alamitos, CA: IEEE, 10.1109/ARFTG78.2011.6183864

Carrubba, Vincenzo, Clarke, Alan Leslie, Akmal, Muhammad, Yusoff, Zubaida Binti, Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul J. 2011. Exploring the Design Space for Broadband PAs using the Novel "Continuous Inverse Class-F Mode". Presented at: 6th European Microwave Integrated Circuits Conference (EuMIC) 2011, Manchester, UK, 10-11 October 2011. Proceedings of the 41st European Microwave Conference (EuMC). IEEE, pp. 333-336.

Almuhaisen, Abdullah, Lees, Jonathan, Cripps, Stephen Charles, Tasker, Paul J. and Benedikt, Johannes 2011. Wide band high-efficiency power amplifier design. Presented at: 6th European Microwave Integrated Circuits Conference (EuMIC) 2011, Manchester, UK, 10-11 October 2011. Proceedings of the 6th European Microwave Integrated Circuits Conference (EuMIC). Los Alamitos, CA: IEEE, pp. 184-187.

Bell, James Joseph, Saini, Randeep, Woodington, Simon Philip, Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul J. 2011. Behavioral model analysis using simultaneous active fundamental load-pull and harmonic source-pull measurements at X-band. Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 2011. Microwave Symposium Digest (MTT), 2011 IEEE MTT-S International. New York: IEEE, pp. 982-986. 10.1109/MWSYM.2011.5972803

Akmal, M., Lees, Jonathan, Bensmida, S., Woodington, S., Carrubba, V., Cripps, Stephen Charles, Benedikt, Johannes, Morris, K., Beach, M., McGeehan, J. and Tasker, Paul 2010. The effect of baseband impedance termination on the linearity of GaN HEMTs. Presented at: European Microwave Conference 2010, Paris, France, , vol. 561636. pp. 1046-1049.

Mashad Nemati, Hossein, Clarke, Alan Leslie, Cripps, Stephen Charles, Benedikt, Johannes, Tasker, Paul J., Fager, Christian, Grahn, Jan and Zirath, Herbert 2010. Evaluation of a GaN HEMT transistor for load- and supply-modulation applications using intrinsic waveform measurements. Presented at: IEEE MTT 2010 International Microwave Symposium, Anaheim, CA, USA, 23-28 May 2010. 2010 IEEE MTT-S International Microwave Symposium Digest (MTT 2010). Piscataway, NJ: IEEE, pp. 509-512. 10.1109/MWSYM.2010.5517696

FitzPatrick, D. M., Williams, T., Lees, Jonathan, Benedikt, Johannes, Cripps, Stephen Charles and Tasker, Paul 2010. Exploitation of active load-pull and DLUT models in MMIC design. Presented at: IEEE Radio Frequency Integrated Circuits Symposium, Anaheim, CA, USA, 23-25 May 2010. Proceedings of the 2010 IEEE Radio Frequency Integrated Circuits Symposium May 23-25, 2010, Anaheim, California, USA. Piscataway, NJ: IEEE, pp. 487-490. 10.1109/RFIC.2010.5477406

Cripps, Stephen Charles and Porch, Adrian 2010. An active, non-intrusive, high resolution microwave field probe with applications in high power RF device and circuit design. Presented at: 2010 IEEE 11th Annual Wireless and Microwave Technology Conference (WAMICON 2010), Melbourne Beach, USA, , vol. 546185.

Carrubba, V., Clarke, A. L., Akmal, M., Lees, Jonathan, Benedikt, Johannes, Tasker, Paul and Cripps, Stephen Charles 2010. The continuous Class-F Mode mode power amplifier. Presented at: European Microwave Conference (EuMC) 2010, Paris, France, , vol. 561630. pp. 1674-1677.

Almuhaisen, Abdullah, Wright, Peter Thomas, Lees, Jonathan, Tasker, Paul J., Cripps, Stephen Charles and Benedikt, Johannes 2010. Novel wide band high-efficiency active harmonic injection power amplifier concept. Presented at: IEEE MTT-S International Microwave Symposium, Anaheim, CA, USA, 23-28 May 2010. 2010 IEEE MTT-S International Microwave Symposium Digest (MTT 2010). New York: IEEE, pp. 664-667. 10.1109/MWSYM.2010.5514759

Wright, P., Lees, Jonathan, Benedikt, Johannes, Tasker, Paul and Cripps, Stephen Charles 2009. A Methodology for Realizing High Efficiency Class-J in a Linear and Broadband PA. IEEE Transactions on Microwave Theory and Techniques 57 (12) , pp. 3196-3204. 10.1109/TMTT.2009.2033295

Cripps, Stephen Charles, Tasker, Paul, Clarke, A. L., Lees, Jonathan and Benedikt, Johannes 2009. On the continuity of high efficiency modes in linear RF power amplifiers. IEEE Microwave and Wireless Components Letters 19 (10) , pp. 665-667. 10.1109/LMWC.2009.2029754

Wright, Peter Thomas, Lees, Jonathan, Tasker, Paul J., Benedikt, Johannes and Cripps, Stephen Charles 2009. An Efficient, Linear, Broadband Class-J-Mode PA Realised Using RF. Presented at: IEEE/MTT-S International Microwave Symposium 2009, Boston, MA, USA, 7-12 June 2009. IEEE MTT-S International Microwave Symposium Digest, 2009. MTT '09. Los Alamitos, CA: IEEE, pp. 653-656. 10.1109/MWSYM.2009.5165781

Lees, Jonathan, Williams, T., Woodington, S., McGovern, P., Cripps, Stephen Charles, Benedikt, Johannes and Tasker, Paul 2008. Demystifying Device related Memory Effects using Waveform Engineering and Envelope Domain Analysis. Presented at: 38th European Microwave Conference 2008 (EuMC 2008), Amsterdam, The Netherlands, pp. 753-756. 10.1109/EUMC.2008.471562

This list was generated on Wed Dec 11 08:38:22 2019 GMT.