In electric circuits, the three basic quantities are voltage (E or V),…
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If some percentage of an amplifier’s output signal is connected…
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A similar effect happens in series inductive/capacitive circuits. When…
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Behaviors of Inductors wrapped around a Conductive Core Suppose we…
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Generally speaking, how many “time constants” worth of time does…
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Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
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There’s a sure way to calculate any of the values in a reactive…
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In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
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This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit
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The atoms in insulating materials have very tightly-bound electrons,…
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Once again, when building battery/resistor circuits, the student or…
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This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
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A very common misconception students have about potentiometers is the…
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Let’s take the same components for our series example circuit…
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In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
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This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
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In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.
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The circuit in the previous section is not a very practical one. In…
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This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp
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As was mentioned before, the angle of this “power…
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As an instructor of electronics, I am called upon frequently to help…
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Early in my explorations of electricity, I came across a length of…
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Buses and networks are designed to allow communication to occur…
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Introduction This third volume of the book series Lessons In Electric…
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This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.
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Synchronous motors load the power line with a leading power factor.…
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RELATED WORKSHEETS: JFET Amplifiers Worksheet
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Varicap or varactor diodes A variable capacitance diode is known as a…
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The interlock contacts installed in the previous section’s motor…
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Let’s begin with a semiconductor gate circuit in need of…
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The R/2R DAC circuit is an alternative to the binary-weighted-input…
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It is a common phenomenon for the electrical resistance of a substance…
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Because it takes energy to force charge to flow against the opposition…
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For a given amount of water pressure, which will flow a greater rate…
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Using the same value components in our series example circuit, we will…
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Three-phase Wye(Y) Connection Initially, we explored the idea of…
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
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Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
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Factoring Identities : a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…
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Instrumentation is a field of study and work centering on measurement…
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As with inductors, the ideal capacitor is a purely reactive device,…
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In power distribution systems, it is very important to be able to…
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An unbalanced Wheatstone bridge cannot be solved using simple series…
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A microcontroller is a specialized type of digital computer used to…
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Protective relays are special power-sensing devices whose job it is to…
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Knowing how to generate Gray code should allow us to build larger…
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In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.
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The final transistor amplifier configuration (Figure below) we need to…
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In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
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What is the difference between DC and AC electricity? Identify some…
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Read-only memory (ROM) is similar in design to static or dynamic RAM…
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“Garbage in, garbage out.” —Anonymous SPICE…
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A calculator designed to calculate the trace width of a stripline based on the maximum current rating
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Try out our Resistor Color Code Calculator in our Tools section.…
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When an electric current is passed through a coil of wire, what…
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A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Tools
The wires between the tank and the monitoring location is called…
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In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
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Don’t just sit there! Build something!! Learning to mathematically…
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