Collins, Diarmuid (2011) A Fully Differential Phase-Locked Loop With Reduced Loop Bandwidth Variation. Masters thesis, National University of Ireland Maynooth.

Collins, Diarmuid, Keady, Aidan, Szczepkowski, Grzegorz and Farrell, Ronan (2011) A 90nm, Low Power VCO with Reduced KVCO and Sub−band Spacing Variation. In: 9th IEEE International NEWCAS Conference, 26th-29th June, 2011, Bordeaux, France.

Collins, Diarmuid, Keady, Aidan, Szczepkowski, Grzegorz and Farrell, Ronan (2011) Fast Digital Calibration of Static Phase Offset in Charge-Pump Phase-Locked Loops. In: ISSC 2011, June 23-24 2011, Trinity College Dublin.

Collins, Diarmuid, Keady, Aidan and Farrell, Ronan (2010) Fast frequency calibration of VCO's in phase-locked loops. In: IET Irish Signals and Systems Conference (ISSC 2010). IET, pp. 147-151. ISBN 9781849192521