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  • Protecting Electronics from Voltage Spikes and Surges

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    Eng & Tech Editorial Staff
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    What Is a Clamping Diode? Clamping diodes are essential electronic components found in a wide array of modern circuitry. These specialized semiconductor devices serve a critical role in limiting and regulating voltage levels within electronic systems, shielding sensitive components from the detrimental effects of voltage spikes and transients. Heisener, a leading online electronic parts and…

  • The Manufacturing Process Behind 6 Layers PCB Board

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    Eng & Tech Editorial Staff
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    PCBs are a vital part of modern electronics, forming the core for links and attachment of electronic components. 6-layer PCBs form part of almost all complex devices like mobiles, computers, and sophisticated industrial equipment. This article discusses manufacturing a 6-layer PCB. Generally, it will be the careful steps one has to take in the entire…

  • Three-Phase Diode Bridge Rectifier: Function & Operation

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    John Mulindi
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    In many high-powered applications, three-phase voltages need to be rectified to give rise to a single DC supply; such rectification can be accomplished using an extension of the bridge rectifier such as the three-phase diode bridge rectifier. Let’s consider the balanced three-phase circuit shown in Figure 1.0 below; the three-phase wye-connected source is connected to…

  • Insulated Gate Bipolar Transistor (IGBT) – Structure, Operation & Applications

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    John Mulindi
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    IGBT is a voltage controlled device. It has high input impedance like a MOSFET and low on-state conduction losses like a BJT. In other words, this power device combines the voltage control of the MOSFET gate with the superior conduction characteristics of the bipolar device. Nonetheless, the IGBT utilizes injected-charge modulation in the base region…

  • What are Printed circuit boards (PCBs)?

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    Eng & Tech Editorial Staff
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    Introduction Printed Circuit Boards (PCBs) are the important components in electronic devices that offer mechanical support and electrical connections between miscellaneous components. They are made of an insulation substance with a conduct pattern that helps in the stream of electricity. PCBs act as the backbone of electronic circuits, enabling efficient and organized connections.   What are…

  • How Artificial Intelligence is Revolutionizing PCBs

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    Eng & Tech Editorial Staff
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    The intersection of artificial intelligence (AI) and printed circuit board (PCB) technology marks a pivotal shift in the electronics industry. This fusion not only heralds a new era of innovation but also redefines the boundaries of what’s possible in electronics design and manufacturing. In this deep-dive analysis, we’ll explore how AI is revolutionizing PCBs, transforming…

  • Optothyristors: Features & Principle of Operation

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    John Mulindi
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    Silicon Controlled Rectifiers (SCRs), Triacs and other solid-state devices used for switching larger voltages and currents ON and OFF are referred to as thyristors. Thyristors control switching in an ON-OFF way, in the same way to a light switch which is different from a transistor that can vary the amount of current in its emitter-collector…

  • Zener Diode and Emitter-Follower/Series Voltage Regulators

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    John Mulindi
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    Almost all electronic devices and circuits need a dc source of power for their operation. While batteries and dry cells can be used as a form of dc power supply, their voltages are usually low and they require frequent replacement; additionally they are costly compared to regular dc power supplies. The domestic ac supply can…

  • Gunn Diode – Features, Operation & Applications

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    John Mulindi
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    Features of a Gunn Diode A gunn diode is made up of only N-type semiconductor which is typically sandwiched between two metal conductors. The central section is usually lightly doped N– surrounded by heavily doped N+ layers. The central section is N-gallium arsenide whereas the two outer sections undergo epitaxial growth from GaAs with increased…

  • What Is the Aluminium Layer of a PCB?

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    John Mulindi
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    Aluminium is among the most important metals on earth. It’s used in various industries and applications, including aircraft parts, furniture, and sporting equipment. However, did you know it’s also used to create aluminium substrate PCBs – one of the most important components of modern electronics? In this post, we’ll discuss the design, function, benefits, and…