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A compact reconfigurable sub-nanosecond pulse generator with pulse-shape modulation

Published online by Cambridge University Press:  15 August 2016

Arash Valizade ,
Pejman Rezaei  and
Ali Asghar Orouji
Arash Valizade*
Affiliation:
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
Pejman Rezaei
Affiliation:
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
Ali Asghar Orouji
Affiliation:
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
*
Corresponding author: A. Valizade Email: a.valizade@semnan.ac.ir
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Abstract

A new design of reconfigurable sub-nanosecond pulse generator (PG) with pulse shape selection ability is presented in this paper. Step recovery diode is used as the pulse sharpening device and the pulse shaping circuit consists of a controllable RC differentiator in which a single PIN diode is embedded, which provides two different switchable pulse shaping performances. The realized PG has a compact (10 × 12 mm2) simple structure and is easy to implement while generating Gaussian and monocycle pulses with 510 and 660 ps pulse width, respectively. The proposed pulse shaping method is versatile and can be effectively modified and reconfigured to generate more complicated pulse shapes such as polycycle signals. The measured results reveal that the proposed reconfigurable PG is suitable to be used in systems with pulse shape modulation that require sub-nanosecond pulses at low pulse repetition rates.

Keywords

Monocycle pulsePulse shape modulationReconfigurable structureShort pulse generator
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 4 , May 2017 , pp. 741 - 745
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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References

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