WASET
    Marko Mailand and  Hans-Joachim Jentschel,  System Concept for Low Analog Complexity and High-IF Superposition Heterodyne Receivers.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 1916 - 1921
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12360.