An Improved Ultra-Wideband, Ultra-Short Monocycle Pulse Generator

Abstract:

This paper presents an improved ultra-wideband monocycle pulse generator circuit based on step recovery diode. This pulse generator circuit uses short-circuit microstrip transmission line to generate the Gaussian pulse the monocycle pulse. The improved pulse-shaping network employs two schottky diodes and a MESFET to suppress the pulse ringing. The SRD model was built in RF simulation software ADS, and then the design and simulation of the pulse generator circuit was accomplished using this model. The experiments showed an monocycle pulse of 400ps pulse width with good symmetry. The measured results agreed with the simulation.

• Periodical: Advanced Materials Research (Volumes 588-589)
• Pages: 781-784
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.588-589.781
• Online since: November 2012
• Authors: Bi Shang Liu, Jian Ming Zhou, Ju Zhou
• Keywords: Pulse Generator, Step Recovery Diode, Ultra-Wide Band Transmitter

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