Daniels, Brian (2008) Analysis and design of high order digital phase locked loops. PhD thesis, National University of Ireland Maynooth.

Daniels, Brian and Farrell, Ronan (2008) Nonlinear Analysis of the 2nd Order Digital Phase Locked loop. In: 16th IET Irish Signals and Systems Conference 2008, 18th & 19th June 2008, Galway, Ireland.

Daniels, Brian and Farrell, Ronan (2008) Rigorous Stability Criterion for Digital Phase Locked Loops. ISAST Transactions on Electronics and Signal Processing, 3 (2). pp. 1-10.

Daniels, Brian and Farrell, Ronan (2007) Design of Fourth Order Digital PLLs Using Filter Prototypes. In: 2006 NORCHIP. IEEE: Institute of Electrical and Electronics Engineers, pp. 243-246. ISBN 1424407729

Daniels, Brian and Farrell, Ronan (2006) Design Of High Frequency Digital Phase Locked Loops. In: UNSPECIFIED.

Daniels, Brian and Baldwin, Gerard and Farrell, Ronan (2005) Modelling and Design of High-Order Phase Locked Loops. Proceedings of SPIE, 5837. pp. 278-287. ISSN 0277-786X

Daniels, Brian and Farrell, Ronan and Baldwin, Gerard (2004) Arbitrary Order Charge Approximation Event Driven Phase Lock Loop Model. In: UNSPECIFIED.