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相关概念视频

Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

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In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
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Block Diagram Reduction01:22

Block Diagram Reduction

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The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
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LC Circuits01:21

LC Circuits

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An LC circuit consists of an inductor and a capacitor, either in series or parallel. Consider a charged capacitor connected with an inductor in series. Before the switch is closed, all the energy of the circuit is stored in the electric field of the capacitor. When the switch is closed, the capacitor begins to discharge, producing a current in the circuit. The current, in turn, creates a magnetic field in the inductor. Because of the induced emf in the inductor, the current cannot change...
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对于光学集成电路的紧型全光学解码器设计.

Fariborz Parandin, Mehdi Mohammadi

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    此摘要是机器生成的。

    本研究介绍了一种使用二维光子晶体的紧型1x2优先解码器. 该设备表现出高精度,在光学计算应用中有效区分逻辑1和0输出.

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    科学领域:

    • 光电学是指光电子产品.
    • 纳米光子学 纳米光子学
    • 集成光学 集成光学 集成光学

    背景情况:

    • 光子晶体提供独特的光操纵特性.
    • 光学逻辑电路对于高速计算至关重要.
    • 集成光子系统需要紧而高效的解码器设计.

    研究的目的:

    • 设计和分析基于二维光子晶体的新型1x2优先解码器.
    • 评估拟议的光学解码器的性能和准确性.
    • 为了证明使用光子晶体用于逻辑操作的可行性.

    主要方法:

    • 使用化 (GaAs) 构建一个11x11杆光子晶体结构.
    • 使用有限差异时间域 (FDTD) 方法进行模拟.
    • 分析逻辑状态的光传播和功率传输.

    主要成果:

    • 设计的解码器作为优先解码器,具有一个主输入和一个启用输入.
    • 逻辑1输出显示了靠近光源的功率,而逻辑0显示了接近零的功率.
    • 实现了高精度和逻辑状态之间的清晰区分.

    结论:

    • 提出的二维光子晶体解码器简单,紧,准确.
    • 在FDTD方法有效模拟光传播解码器操作.
    • 这种设计显示了先进的光学计算和集成光子电路的前景.