, K.-J. G. K.-Y. C. W.-K. Y. Y.-H. C. W.-S. W. “Design of Dynamic Frequency Divider Using Negative Differential Resistance Circuit”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 3, no. 8, Aug. 2015, pp. 5224-8, doi:10.17762/ijritcc.v3i8.4821.