Abstract
AbstractA simple, compact pulse shaper of inverse Gaussian monocycle with picosecond duration and wideband response is proposed in this paper. By modifying the conventional pulse shaping circuit, the pulse shaper utilizes the RC differentiator and Schottky diode to construct the clamping circuit, and form an inverse Gaussian monocycle pulse. In addition, the short‐stub is used for constructing the resistive matching network as well as adjusting the shape of inverse Gaussian monocycle pulse. In applications, an ultra‐short inverse Gaussian monocycle pulse with duration of 600 ps, symmetry of 100%, and ring level of 5.8% has been obtained. Meanwhile, the frequency response presents the characteristic of wideband spectrum with a −3‐dB BW of 141.7%. Both the measured and simulated results are in good agreement with the time and frequency responses. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 744–749, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21462
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