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Related Concept Videos

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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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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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.
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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.
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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.
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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
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Related Experiment Video

Updated: Sep 7, 2025

Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis
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Chip-scale power booster for light.

Jungwon Kim1

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

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

Researchers developed a compact, high-power amplifier using ion-doped waveguide technology. This innovation advances miniaturized electronic components for various applications.

Area of Science:

  • Photonics and optical engineering
  • Materials science

Background:

  • Miniaturization of electronic components is a key trend.
  • High-power amplification is crucial for many signal processing applications.

Purpose of the Study:

  • To develop a miniature amplifier with high power output.
  • To explore the use of ion-doped waveguides for amplifier realization.

Main Methods:

  • Fabrication of an ion-doped waveguide.
  • Integration of the waveguide into an amplifier circuit.
  • Testing of amplifier performance, including power output and efficiency.

Main Results:

  • Successful realization of a miniature amplifier.
  • Achieved high power output from the ion-doped waveguide amplifier.

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  • Demonstrated the feasibility of this approach for compact, powerful amplification.

    • Conclusions:

    • Ion-doped waveguides are a viable technology for creating miniature, high-power amplifiers.
    • This work offers a new pathway for developing advanced compact electronic devices.