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関連する概念動画

Oscillations In An LC Circuit01:30

Oscillations In An LC Circuit

2.4K
An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
2.4K
Design Example: Underdamped Parallel RLC Circuit01:17

Design Example: Underdamped Parallel RLC Circuit

365
Consider designing an oscillator circuit, a crucial component in various electronic devices and systems. The objective is to create an oscillator circuit with specific characteristics: a damped natural frequency of 4 kHz and a damping factor of 4 radians per second. To accomplish this, a parallel RLC circuit is employed, known for its ability to sustain oscillations at a resonant frequency. In this case, the damping factor is pivotal in achieving the desired performance.
Starting with a fixed...
365
RLC Circuit as a Damped Oscillator01:30

RLC Circuit as a Damped Oscillator

1.2K
An RLC circuit combines a resistor, inductor, and capacitor, connected in a series or parallel combination.
Consider a series RLC circuit. Here, the presence of resistance in the circuit leads to energy loss due to joule heating in the resistance. Therefore, the total electromagnetic energy in the circuit is no longer constant and decreases with time. Since the magnitude of charge, current, and potential difference continuously decreases, their oscillations are said to be damped. This is...
1.2K
Applications of RC Circuits01:22

Applications of RC Circuits

3.3K
A relaxation oscillator is one of the applications of RC circuits. A neon lamp relaxation oscillator comprises a capacitor, a resistor, a voltage source, and a lamp. The lamp acts like an open circuit, with infinite resistance until the potential difference across the lamp reaches a specific voltage. At that voltage, the lamp acts like a short circuit with zero resistance, and the capacitor discharges through the lamp, thus producing light. Once the capacitor is fully discharged through the...
3.3K
Voltage Doubler Circuit01:23

Voltage Doubler Circuit

799
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.
799
First-Order Circuits01:15

First-Order Circuits

1.6K
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...
1.6K

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Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

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振動器の回路を引っ張る

Jun Takatoh1,2, Vincent Prevosto3,4, P M Thompson3,5

  • 1Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA. jtakatoh@mit.edu.

Nature
|August 31, 2022
PubMed
まとめ
この要約は機械生成です。

研究者達は ネズミのリズムを制御する 神経回路を特定しました この回路は脳幹の阻害性ニューロンを構成し,リズム運動パターンの生成における再発阻害の重要な役割を果たしています.

さらに関連する動画

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
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Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
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関連する実験動画

Last Updated: Aug 30, 2025

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.3K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

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Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
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Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels

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科学分野:

  • 神経科学
  • モーター コントロール
  • 計算神経科学

背景:

  • 中央振動器はリズム運動のための 基本的な神経回路です
  • これらの回路を理解するには 特定のニューロンとその接続を 特定する必要があります
  • 研究のために哺乳類の神経回路をターゲットにすることは依然として困難です.

研究 の 目的:

  • ネズミの神経回路を特定する
  • ウィスキングリズム生成の基礎となる細胞とネットワークのメカニズムを解明する.

主な方法:

  • オシレータニューロンの遺伝子識別
  • 目覚めたマウスの電気生理学的記録
  • オプトジェネティック操作と 特定のニューロン集団の静止
  • オプトタグされたニューロンの体内記録

主要な成果:

  • 振動器は脳幹にあるパルバルブミン発現抑制ニューロン (vIRtPV) を含む.
  • vIRtPVのニューロンは 休息状態で発火し 発火時に発火する.
  • vIRtPVニューロンを静止させると 振動が停止し 阻害的インプットを消去すると リズム生成が妨げられます
  • vIRtPVニューロンの間の再発性抑制結合はリズム発生に不可欠です.

結論:

  • 振動器は完全に阻害的なネットワークです
  • vIRtPVネットワーク内の再発性シナプス阻害は,ウィスキングリズムを生成するために不可欠です.
  • ネットワークのダイナミクスは 細胞の内在的な性質よりも 動きのリズムを生成する要因です