Lee, L., R. M. Sidek, S. S. Jamuar, and S. Khatun. “Cascode Current Mirror for a Variable Gain Stage in a 1.8 GHz Low Noise Amplifier (LNA)”. ECTI Transactions on Electrical Engineering, Electronics, and Communications, vol. 6, no. 1, Jan. 2007, pp. 47-52, doi:10.37936/ecti-eec.200861.171760.