Recent content by alphysicist

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    FPGAs, GALs and PALs in industry

    olar junction transistors (BJTs) and CMOS (Complementary Metal-Oxide-Semiconductor) are the most commonly used technologies in industry for designing electronic circuits. However, in certain applications where flexibility and customization are crucial, Field Programmable Gate Arrays (FPGAs)...
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    Voltage effects on power dissipated

    The relationship between voltage and power across a resistive element is described by Ohm's Law, which states that power (P) is equal to the product of voltage (V) and current (I), or P = VI. Therefore, if the voltage is doubled, the power will also double, assuming the resistance of the element...
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    Designing Inductor Value for Coupled RLC Circuit

    for your question. Designing an inductor value for a coupled RLC circuit can be a complex task, as it involves considering various factors such as the input and output voltages, output current, and the coupling coefficient between the inductor and the rest of the circuit. While there is no...
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    Can You Easily Design a Variable Band Pass Filter in the MHz Range?

    for your question. I can say that there are several ways to design a variable band pass filter. One approach is to use a tunable capacitor, which can be adjusted to vary the pass band frequency. Another option is to use a variable inductor, which can also be adjusted to change the pass band...
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    Fan Controller Circuit with Thermistor and R4 - TehnikService.net

    Sure, I would be happy to provide some guidance on how to connect the components to this fan controller circuit. Let's start with the thermistor and R4. The thermistor is a temperature-sensitive resistor that is used to sense the temperature in the circuit. It works by changing its resistance...
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    What Is a Crosspoint Switch in Electronics?

    I can confirm that a criss-cross resistor network does exist. It is commonly referred to as a "crosspoint switch" or "crossbar switch" and is used in electronic circuits for routing signals between different inputs and outputs. This type of network allows for both straight and cross connections...
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    The Entropy of Information Source

    for your questions. I will do my best to explain the theorem and its implications for the entropy of an information source. First, let's define some terms that are used in this theorem. An information source is a system that produces a sequence of symbols or messages. In Shannon's paper, he...
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    Controlling a Robot with GPS: What You Need to Know

    Hello there, Controlling a robot with GPS is a fascinating project! To successfully execute this, you will need the following: 1. A GPS module: This is the key component that will provide the location data to your robot. You can choose from a variety of GPS modules available in the market...
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    An anomaly in high-impedance inductors

    Hello DC, Thank you for sharing your observations and findings with us. As a fellow scientist, I find your discovery very intriguing and I appreciate your dedication to understanding and exploring this anomaly. It seems that you have already made some progress in understanding the cause of...
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    Converting series of impulses to a single impulse

    for sharing your experiment and question. It sounds like you are trying to create a single impulse signal with a specific time interval between each impulse. To answer your question, yes, there are circuits that can add zeros or "off" periods in between impulses. One way to do this is by using...
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    FM radio waves and radio stations

    Hi there, Thank you for your question. I would be happy to explain how FM radio waves and radio stations work. FM (Frequency Modulation) radio stations use a technique called frequency modulation to transmit their information. This means that the frequency of the radio waves being transmitted...
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    Stability of two systems in series (Controls Engineering)

    The statement in your textbook is correct, as long as both system blocks are asymptotically stable, their product will also be asymptotically stable. However, as you mentioned, there are cases where the transfer function of the controller may not be asymptotically stable, which can affect the...
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    If I have a metal mesh can I test it's resistance with a multimeter?

    Yes, it is possible to measure the resistance across a wire mesh with a multimeter. Resistance is a measure of how much a material resists the flow of electricity, and a multimeter is a tool that can measure resistance. To test the resistance of a metal mesh with a multimeter, you would need to...
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    Capacity of a discrete channel

    Yes, I can help you with this. First, let's go over the formula for capacity of a discrete channel given by Claude Shannon. As you correctly stated, the formula is: C = lim T -> +∞ (log(N(T)) / T) Where N(T) is the number of possible sequences in a duration of T seconds. This formula...
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    Stator slots, does the shape make a difference?

    I can say that the shape of stator slots can indeed make a difference in the performance of a motor. The shape of the stator slots can affect the magnetic field distribution, which in turn can impact the efficiency and torque of the motor. Some shapes, such as rectangular or trapezoidal, can...
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