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関連する概念動画

Semiconductors01:22

Semiconductors

1.0K
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
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Clamper Circuit01:14

Clamper Circuit

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A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
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Non-ohmic Devices00:51

Non-ohmic Devices

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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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Midrange01:07

Midrange

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A somewhat easy to compute quantitative estimate of a data set’s central tendency is its midrange, which is defined as the mean of the minimum and maximum values of an ordered data set.
Simply put, the midrange is half of the data set’s range. Similar to the mean, the midrange is sensitive to the extreme values and hence the prospective outliers. However, unlike the mean, the midrange is not sensitive to all the values of the data set that lie in the middle. Thus, it is prone to...
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PI Controller: Design

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Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
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Clipper Circuit01:18

Clipper Circuit

642
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
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32ビットアームマイクロプロセッサ

John Biggs1, James Myers1, Jedrzej Kufel1

  • 1Arm Ltd, Cambridge, UK.

Nature
|July 22, 2021
PubMed
まとめ
この要約は機械生成です。

研究者は,柔軟な金属酸化物薄膜トランジスタを使用した新しい32ビットARMマイクロプロセッサを開発しました. この技術革新により 低コストで超薄いマイクロプロセッサを 日常のモノに組み込み 機能が向上します

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科学分野:

  • 材料科学
  • 電気工学
  • コンピュータ工学

背景:

  • 最初のマイクロプロセッサである インテルの4004は 2300個のトランジスタで コンピューティングに革命をもたらしました
  • 現代のマイクロプロセッサには 何十億ものトランジスタがあり ワクチンの開発のような 複雑な応用が可能です
  • 柔軟なエレクトロニクスは日常のモノと 統合するユニークな可能性を 提供します

研究 の 目的:

  • 柔軟な電子技術を活用した新しいマイクロプロセッサを開発する.
  • 柔軟な基板に32ビットのArmマイクロプロセッサーを作成する可能性を実証する.
  • マイクロプロセッサーを より幅広い日常用品に統合できるようにする.

主な方法:

  • 金属酸化物の薄膜トランジスタ技術を用いた32ビットArmマイクロプロセッサの開発.
  • 柔軟な基板で製造し,PlasticARMを作りました.
  • 柔軟なエレクトロニクスのユニークな特性を活用して

主要な成果:

  • 柔軟な基板上の32ビットのArmマイクロプロセッサであるPlasticARMの成功.
  • 主流のシリコン半導体産業とは異なるマイクロプロセッサ技術の実証.
  • 低コストで超薄型のマイクロプロセッサを 日常のアイテムに組み込むための道を切り開いています

結論:

  • PlasticARMは柔軟な電子機器とマイクロプロセッサー技術における 重要な進歩を表しています
  • この技術革新は スマートで接続された日常のモノに 新たな道を開きます
  • この技術は極めて低コストで 組み込みシステムの大量生産の可能性を秘めています