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Showing posts from May, 2024

Crystal Oscillator: Working Principle

  Crystal oscillators   are critical components in electronic circuits, providing stable and accurate timing signals for various applications. From microcontrollers to communication systems, crystal oscillators play a vital role in ensuring the proper functioning of electronic devices. In this article, we delve into the circuitry, frequency characteristics, and working principles of crystal oscillator. Types of Crystal Oscillators Crystal oscillators  come in various configurations to suit different applications: Parallel Resonant Crystal Oscillator In a parallel resonant crystal oscillator, the crystal is connected in parallel with a capacitor. This configuration allows for stable oscillations at the resonant frequency of the crystal. Series Resonant Crystal Oscillator In a series resonant crystal oscillator, the crystal is connected in series with an inductor and capacitor. This arrangement provides a high degree of frequency stability and is commonly used in precision ...

How Do Ferrite Beads Work and How Do You Choose the Right One?

  In the world of electronics, where every component plays a crucial role, ferrite beads stand out as unsung heroes. These small, cylindrical devices may seem unassuming, but their impact on electronic circuits is profound. In this blog post, we'll delve into the fascinating world of ferrite beads, exploring how they work and offering guidance on choosing the right one for your application.   What Are Ferrite Beads? Ferrite beads , also known as ferrite chokes or ferrite cores, are passive electronic components used to suppress high-frequency noise in electronic circuits. They consist of a cylindrical core made from ferrite material, a type of ceramic compound containing iron oxide and other metal oxides. This core is typically encased in a plastic or ceramic housing, with wire leads for connection to the circuit.   How Do Ferrite Beads Work? The key to understanding how ferrite beads work lies in their ability to absorb and dissipate high-frequency electromagnetic interf...

What is the principle of the Hall effect?

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  The Hall effect, a phenomenon named after physicist Edwin Hall, is a fundamental concept in physics and engineering that describes the behavior of charged particles in a magnetic field. This effect forms the basis for numerous practical applications, including magnetic field measurement, current sensing, and velocity measurement. Understanding the principle of the Hall effect is crucial for various technological advancements and innovations. The Hall effect sensors was first discovered by Edwin Hall in 1879 while he was studying the behavior of electric currents in conductors. Hall observed that when an electric current flows through a conductor placed in a magnetic field perpendicular to the current, a voltage difference develops perpendicular to both the current and the magnetic field. This voltage difference is known as the Hall voltage. Fundamental Principle At its core, the Hall effect is based on the Lorentz force, which describes the force experienced by a charged particl...