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Published March 1, 2005 | public
Journal Article Open

Nonlinear transmission lines for pulse shaping in silicon


Nonlinear transmission lines (NLTL) are used for pulse shaping. We developed the theory of pulse propagation through the NLTL. The problem of a wide pulse degenerating into multiple pulses rather than a single pulse is solved by using a gradually scaled NLTL. We exploit certain favorable properties of accumulation-mode MOS varactors to design an NLTL that can simultaneously sharpen both rising and falling edges. There is a good agreement among the theory, simulations, and measurements.

Additional Information

© 2005 IEEE. Reprinted with permission. Manuscript received May 20, 2004; revised September 10, 2004. This work was supported by the Lee Center and the National Science Foundation. The authors would like to thank D. Ham, H. Wu, A. Komijani, C. White, M. Sharif, M. Taghivand, H. Hashemi, S. Kee, and B. Analui of Caltech and Prof. M. Horowitz of Stanford University for helpful discussions, and M. Azarmnia for support. They also acknowledge IBM Corporation for prototype fabrication, and Agilent Technologies for test equipment support.


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August 22, 2023
August 22, 2023