Design of ECL flip-flop based on threshold-arithmetic algebraic system(基于阈算术代数系统的ECL触发器设计)
针对ECL触发器设计中存在电路结构复杂、设计过程繁琐等不足,在分析ECL电路特点和阈算术代数系统的基础上,设计出一种ECL算术运算单元电路,进而提出了基于阈算术代数系统的ECL触发器的设计方法,具体设计了 ECL二值主从型D触发器、ECL三值D锁存器以及ECL三值T触发器置数单元.采用TSMC 0. 18 µm工艺参数对所设计的电路进行HSPICE模拟,结果显示,所设计的电路具有正确的逻辑功能和良好的瞬态特性,验证了本方法的正确性.与以往的ECL触发器电路相比,本方法设计的ECL触发器电路结构有所简化 ...
YAOMaoqun(姚茂群) +1 more
core +1 more source
Design of ECL circuits based on parallel switches technique(基于并联开关技术的ECL电路设计)
本文首先指出了采用电压信号的多值电路中,在多个开关串联时存在的问题,进而提出了适合于ECL电路设计的两种将串联开关转换成并联开关的方法,并具体设计了采用并联开关的三值ECL电路.设计实例表明这些方法具有简便、规范的特点.用PSPICE对设计的电路进行模拟得到的结果表明,采用并联开关技术设计的电路不仅具有正确的逻辑功能 ...
CHENHua-hua(陈华华) +2 more
core
The Research of Super High Rate Counter/Scaler
本文介绍了一个我们最近研制约超高速计数/定标器,为一个标准的双插宽的NIM插件。计数前级选用最先进的ECL电路,其最高计数率已可达到500M(Count)/S,较之核物理实验上常用的EG&G——ORTEC生产计数/定标器872和874(25MHz)为高,可用于更加精细的信号脉冲分辨测量,采用性能价格比很高的单片机8 0 3 1作为控制与数据处理单元,软件采用MCS一5 1汇编和CBASIC混合编制。 仪器中含有两路计数电路:超高速路计数率为10——500MHz,普通路为1Hz一20MHz ...
龚威
core
[<i>Danzhi Jiangtang</i> Capsule improves renal vascular endothelial function in rats with diabetic nephropathy by downregulating the Notch1/NICD/MAML1 signaling pathway]. [PDF]
Zhu S +7 more
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[Mechanism underlying carvacrol-induced alveolar bone repair via the phosphatidylinositol 3-kinase pathway in periodontal disease]. [PDF]
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Chen Q, Da W, Luo N, Shen B.
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