Wei Yi Lim and  M. Annamalai Arasu and  M. Kumarasamy Raja and  Minkyu Je ,  Investigation of Constant Transconductance Circuit for Low Power Low-Noise Amplifier .   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 1186 - 1189
    [viewed 25 February 2020]. Available from: https://publications.waset.org/pdf/16667.