一种新的阶跃恢复二极管建模方法及其在短脉冲产生电路中的应用

吉林大学学报(工学版)

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New modeling of SRD and its application in short pulse generation circuit

Zhou Jian-ming¹, Gao Xiao-wei², Fei Yuan-chun¹

1.Department of Electronic Engineering，School of Information Science and Technology,Beijing Institute of Technology, Beijing 100081，China; 2.North China Electric Power University, Beijing 102206, China

Received:2006-04-18 Revised:2006-09-23 Online:2007-01-01 Published:2007-01-01
Contact: Fei Yuan-chun

Abstract

Abstract: The step voltage generation process and mechanism in the step recovery diode(SRD) were analyzed and a new SRD model was proposed based on the parallel connection of a nonlinear capacitance and a PN diode. A short pulse generation circuit was simulated by the proposed model, the major parameters affecting the short pulse characteristics were studied, and the hardware of the circuit was realized. The measured pulse width was 230 ps and the measured pulse voltage was 3.3 V, both were in good agreement with the simulated results, thus verified the proposed model.

Key words: semiconductor, short pulse, step recovery diode (SRD), modeling

CLC Number:

TN784.1

Zhou Jian-ming, Gao Xiao-wei, Fei Yuan-chun . New modeling of SRD and its application in short pulse generation circuit[J].吉林大学学报(工学版), 2007, 37(01): 173-176.

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