Design of UWB Pulse Generator Circuit Using Source Couple Logic (SCL)

Azaga, Mohamed; Othman, Masuri

doi:10.1109/edssc.2007.4450276

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Uwb Pulse Generation1

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2014

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“…Previous works conducted by some researchers [10,[18][19][20] are examples of generating UWB narrow pulses by synthesizing pulse generators' signals or synthesizing a tunable pulse waveform from elementary pulses with the aid of shaping filters. Examples of pulse generators designed with logic circuits are shown in [6,21,22]. NPG designs utilize avalanche transistor and SRD as reported in [23,24].…”

Section: Uwb Pulse Generationmentioning

confidence: 97%

A novel baseband UWB Narrow Pulse Generator for microwave and through-wall imaging

Zalzala

Ain

Abdullah

2014

2014 International Conference on Computer, Communications, and Control Technology (I4CT)

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Applications of Ultra Wideband technologies are increasing significantly in various fields such as medicine, localization and ranging, hidden objects detection, security and RADAR. Nanosecond or sub-nanosecond pulses are needed to establish an UWB system. In this paper, a novel low cost Narrow Pulse Generator (NPG) was proposed and implemented using ultra-fast logic gate with 60 ps rise / fall times. Analysis of the generated pulse has been carried out in time and frequency domains according to theoretical and measured values. Results proved that the generated pulses showed less rise and fall times compared to other low cost discrete logic circuits in literature and higher Pulse Repetition Rate (PRF) than SRD-based generators.

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