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Videos de Conceptos Relacionados

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.
839
Power Factor Correction01:20

Power Factor Correction

257
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
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Maximum Power Transfer01:16

Maximum Power Transfer

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Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
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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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MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

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Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
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Power Factor01:11

Power Factor

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The power factor is defined as the ratio of average (or active) power to apparent power, as illustrated by the relation
451

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Video Experimental Relacionado

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Potenciador de energía a escala de chip para la luz

Jungwon Kim1

  • 1Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.

Science (New York, N.Y.)
|June 16, 2022
PubMed
Resumen

Los investigadores desarrollaron un amplificador compacto de alta potencia utilizando tecnología de guía de ondas dopada con iones. Esta innovación hace avanzar los componentes electrónicos miniaturizados para diversas aplicaciones.

Área de la Ciencia:

  • Fotónica y ingeniería óptica
  • Ciencias de los materiales

Sus antecedentes:

  • La miniaturización de los componentes electrónicos es una tendencia clave.
  • La amplificación de alta potencia es crucial para muchas aplicaciones de procesamiento de señales.

Objetivo del estudio:

  • Para desarrollar un amplificador en miniatura con alta potencia de salida.
  • Explorar el uso de guías de onda dopadas con iones para la realización de amplificadores.

Principales métodos:

  • Fabricación de una guía de ondas dopada con iones.
  • Integración de la guía de ondas en un circuito del amplificador.
  • Prueba del rendimiento del amplificador, incluida la potencia de salida y la eficiencia.

Principales resultados:

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  • Realización exitosa de un amplificador en miniatura.
  • Se obtiene una alta potencia de salida del amplificador de guía de onda dopado con iones.
  • Demostró la viabilidad de este enfoque para una amplificación compacta y potente.

    • Conclusiones:

    • Las guías de onda dopadas con iones son una tecnología viable para crear amplificadores en miniatura de alta potencia.
    • Este trabajo ofrece una nueva vía para el desarrollo de dispositivos electrónicos compactos avanzados.