WASET
    Kittipong Tripetch,  Symbolic Analysis of Power Spectrum of CMOS Cross Couple Oscillator.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 106(10). 1158 - 1168
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10002641.