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首页> 外文期刊>IEEE Journal of Solid-State Circuits >Ultrahigh-speed heterojunction bipolar transistor multiplexer/demultiplexer ICs
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Ultrahigh-speed heterojunction bipolar transistor multiplexer/demultiplexer ICs

机译：超高速异质结双极晶体管复用器/解复用器IC

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摘要

High-speed 2-b monolithic integrated multiplexer (MUX) and demultiplexer (DMUX) circuits have been developed using self-aligned AlGaAs/GaAs heterojunction bipolar transistors (HBTs) with improved high-speed performance. Both ICs were designed using emitter-coupled logic. The 2:1 MUX was composed of a D-type flip-flop (D-FF) merging a selector gate and a T-type flip-flop (T-FF). The 1:2 DMUX consisted of two D-FFs driven at a clock of half the rate of the input data. Error-free operation with a pseudorandom pattern was confirmed up to 10 Gb/s. The rise and fall times of the output signals of both ICs were 40 and 25 ps, respectively. HBT frequency dividers were used as inputs for both ICs in order to find the maximum operation speed. Although only a few test patterns were available, the maximum operation speeds of the MUX and DMUX were found to be around 15 and 19 Gb/s, respectively.
机译：高速2-b单片集成多路复用器（MUX）和多路分解器（DMUX）电路是使用具有改进的高速性能的自对准AlGaAs / GaAs异质结双极晶体管（HBT）开发的。两种IC均采用发射极耦合逻辑设计。 2：1 MUX由合并选择器门的D型触发器（D-FF）和T型触发器（T-FF）组成。 1：2 DMUX由两个D-FF组成，它们以输入数据速率的一半的时钟驱动。确认了高达10 Gb / s的伪随机模式的无错误操作。两个IC的输出信号的上升和下降时间分别为40 ps和25 ps。 HBT分频器用作两个IC的输入，以便找到最大工作速度。尽管只有几种测试模式可用，但发现MUX和DMUX的最大运行速度分别约为15 Gb / s和19 Gb / s。

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