High-Frequency Digital Lock-In Amplifier Using Random Sampling. - Maximiliano O. Sonnaillon; Raúl Urteaga; Fabián José Bonetto (IEEE Trans. Instrum. Meas., 2008)

Software PLL Based on Random Sampling. - Maximiliano O. Sonnaillon; Raúl Urteaga; Fabián José Bonetto (IEEE Trans. Instrum. Meas., 2010)