| 摘要: |
| 本文简要介绍了超宽带(UWB)技术,讨论并分析了几种UWB中几种常用窄脉冲方法的特点及其局限性。基于RF-BJT雪崩特性,设计并制作了高重复速率的UWB脉冲电路发生器,获得亚纳秒级的超短、快速前沿的单极性UWB脉冲,幅度为-13.1 V,宽度为816.3 ps。 |
| 关键词: 超宽带 雪崩特性 窄脉冲发生器 设计 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:October 29, 2004 |
| 基金项目:国家自然科学基金;广西自然科学基金 |
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| Design of a UWB Pulser Based on RF-BJT |
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| Abstract: |
| Ultra-Wideband(UWB) technology is introduced.Severial kinds of commomly used narrow pulse generating methods are presented and their merits and limitations are analysed.Based on the avalanche characteristic of RFBJT,sub-nanosecond UWB pulse is designed and fabricated with satisfying results of-13.1V amplitude and pulse width of 816.3ps. |
| Key words: Ultra Wideband(UWB),Avalanche characteristic,Narrow pulser,Design |
