P. Jelodarian  and  E. Farshidi,  A Current-mode Continuous-time Sigma-delta Modulator based on Translinear Loop Principle.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 943 - 946
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/8434.