Analysis and FPGA implementation of an autonomous Josephson junction snap oscillatorSifeu Takougang Kingni, Karthikeyan Rajagopal, Victor Kamdoum Tamba, Cyrille Ainamon and Jean Bio Chabi OrouEur. Phys. J. B, 92 10 (2019) 227DOI: https://doi.org/10.1140/epjb/e2019-100304-x