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利用反相器组合抑制多条微带线间串扰的方法

DOI: 10.13190/j.jbupt.2015.02.023, PP. 122-126

Keywords: 串扰,反相器,耦合微带线,相位抵消

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Abstract:

高速电路中,串扰是系统速率继续提高的瓶颈之一,现有方法只考虑了每边各一条传输线对受扰线的串扰,这样最多能抑制75%的串扰.为了解决每边第2条传输线对受扰线的串扰,提出了一种新的电路结构,该电路结构根据串扰的相位抵消原则,利用反相器的位置和数量变化抑制每边各两条传输线对受扰线的串扰.仿真结果显示,在0.1~4GHz范围内,该方法能使受扰线每边第2条传输线对受扰线的远端串扰降低约10dB.

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