Xu, Tao, Linigyong, Shen and Condon, Marissa (2011) A design methodology to enable sampling PLLs to synthesise fractional-N frequencies. In: ECCTD2011, 29-31 Aug 2011, Linkoping, Sweden.

Xu, Tao (2009) Analysis, simulation and design of nonlinear RF circuits. PhD thesis, Dublin City University.

Xu, Tao and Condon, Marissa (2009) Design methodology for a maximum sequence length MASH digital delta-sigma modulator. In: WCE 2009 - World Congress on Engineering, ICEEE 2009 - The 2009 International Conference of Electrical and Electronics Engineering, 1-3 July 2009, London, UK. ISBN 978-988-17012-5-1

Xu, Tao and Condon, Marissa (2009) Comparative study of the MASH digital delta-sigma modulators. In: PRIME 2009 - Ph.D. Research in Microelectronics and Electronics, 12-17 July 2009, Cork, Ireland. ISBN 978-1-4244-3733-7

Condon, Marissa, Deaño, Alfredo, Iserles, Arieh, Maczynski, Kornel and Xu, Tao (2009) On numerical methods for highly oscillatory problems in circuit simulation. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 28 (6). pp. 1607-1618. ISSN 0332-1649

Xu, Tao and Condon, Marissa (2008) An effective method for the determination of the locking range of an injection-locked frequency divider. In: RIA Colloquium on Emerging Trends In Wireless Communications, 24 April 2008, Dublin, Ireland.

Christoffersen, Carlos E., Condon, Marissa and Xu, Tao (2007) A new method for the determination of the locking range of oscillators. In: ECCTD 2007 - 18th European Conference on Circuit Theory and Design, 27-30 August 2007, Seville, Spain.