A Double-Edge Triggered Asynchronous Gray Counter for Use as a Coarse Counter in VCO ADCs. - Johan Raman; Tobias Cromheecke; Simon Ooghe; Brendan Saux; Pieter Rombouts (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

A State-Space Model for the Analysis of VCO-Based Filters using PFM. - Simon Ooghe; Luis Hernández 003; Johan Raman; Pieter Rombouts (ISCAS, 2025)