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相关概念视频

Electric Circuit Elements01:21

Electric Circuit Elements

915
Circuit elements are the basic building blocks of an electric circuit. Essentially, an electric circuit is the interconnection of these elements. Within electric circuits, one can find two types of elements: passive and active. Active elements have the ability to generate energy, whereas passive elements do not. Passive elements include components like resistors, capacitors, and inductors, while active elements typically encompass generators, batteries, and operational amplifiers.
The most...
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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...
2.6K
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

847
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.
847
RC Circuits: Charging A Capacitor01:30

RC Circuits: Charging A Capacitor

3.7K
A circuit containing resistance and capacitance is called an RC circuit. A capacitor is an electrical component that stores electric charge by storing energy in an electric field. Consider a simple RC circuit having a DC (direct current) voltage source ε, a resistor R, a capacitor C, and a two-way position switch. In the circuit, the capacitor can be charged or discharged depending on the position of the switch.
When the switch is moved to connect the battery, the circuit reduces to a simple...
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Voltage Doubler Circuit01:23

Voltage Doubler Circuit

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A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
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First-Order Circuits01:15

First-Order Circuits

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First-order electrical circuits, which comprise resistors and a single energy storage element - either a capacitor or an inductor, are fundamental to many electronic systems. These circuits are governed by a first-order differential equation that describes the relationship between input and output signals.
One common example of a first-order circuit is the RC (resistor-capacitor) circuit. These circuits are used in relaxation oscillators such as neon lamp oscillator circuits. When voltage is...
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Design and Implementation of an Automated Illuminating, Culturing, and Sampling System for Microbial Optogenetic Applications
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康布查电子产品:康布查地毯上的电子电路.

Andrew Adamatzky1,2, Giuseppe Tarabella3, Neil Phillips4

  • 1Unconventional Computing Laboratory, University of the West of England, Bristol, UK. andrew.adamatzky@uwe.ac.uk.

Scientific reports
|June 9, 2023
PubMed
概括

研究人员在kombucha地毯上创建了功能电路,这是一个可持续的皮革替代品. 这些灵活,耐用的kombucha电子产品为创新的可穿戴技术和各种应用提供了潜力.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物技术是生物技术.
  • 织工程 织工程 织工程

背景情况:

  • 来自发酵茶和糖的纤维素基水凝,是动物皮革的可持续替代品.
  • 活着的康布查地毯表现出电活动,但固化地毯对于功能性可穿戴设备来说是惰性的.
  • 集成电路对于开发功能性的基于孔布恰的织品至关重要.

研究的目的:

  • 为了证明在固化的康布查地毯上制造功能性的电导体的可行性.
  • 评估这些基于kombucha的电路的耐用性和电子特性.
  • 探索电气功能的kombucha材料在可穿戴设备及其他领域的潜在应用.

主要方法:

  • 直接在干燥和固化的康布查地毯上制造电导体.
  • 在重复的机械应力 (曲和拉伸) 后测试电路的电气功能.
  • 开发的基于kombucha的导体的电子特性和性能的表征.

主要成果:

  • 在康布查地毯上成功创建了功能电路.
  • 在重复曲和拉伸后,证明了电路功能的维护,表明耐用性.
  • 与传统系统相比,基于kombucha的电子产品具有轻度,成本较低和更大的灵活性等特性.

结论:

  • 电导电路可以成功地集成到康布查地毯上.
  • 这些基于kombucha的新型电子材料是坚固的,在机械应变下保持功能.
  • 这些材料的独特特性为灵活的电子产品和可持续的可穿戴设备的各种应用开辟了道路.