Complementary Output Gates It is sometimes desirable to have a logic…
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Before the advent of solid-state logic circuits, logical control…
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Electromechanical relays used to start and stop high-power electric…
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What does the normal status of an electrical switch refer to?…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Ladder diagrams are specialized schematics commonly used to document…
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A popular use of diodes is for the mitigation of inductive…
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In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
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What does it mean, in general terms, to encode something? Conversely,…
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A switch can be constructed with any mechanism bringing two conductors…
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Generators used in battery-charging systems must be regulated so as to…
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Solid-state switching circuits usually keep their constituent…
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Don’t just sit there! Build something!! Learning to mathematically…
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Most students of electricity begin their study with what is known as…
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Don’t just sit there! Build something!! Learning to mathematically…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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If we take the equivalent circuit of an SCR and add another external…
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A switch is an electrical component that can “make” or…
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In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
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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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We’ve already seen one example of a monostable multivibrator in…
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In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.
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What do you think this logic buffer gate will do, with the output…
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SCRs are unidirectional (one-way) current devices, making them useful…
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What are Time-Delay Relays? Some relays are constructed with a kind of…
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A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
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In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
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Logic circuits, whether comprised of electromechanical relays or…
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Don’t just sit there! Build something!! Learning to mathematically…
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A tool designed to convert between units of torque
Tools
All About Diodes A diode is an electrical device allowing current to…
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As we saw with DC measurement circuits, the circuit configuration…
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A wound rotor induction motor has a stator like a squirrel cage…
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After the introduction of the DC electrical distribution system by…
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How is it possible to electrically measure the torque output by a…
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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Generators used in battery-charging systems must be regulated so as to…
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Electricity and Magnetism An electric current through a conductor will…
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Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
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Conductors lose all of their electrical resistance when cooled to…
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A tool designed to calculate the power density of an antenna
Tools
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
Tools
Most ohmmeters of the design shown in the previous section utilize a…
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In essence, the IGFET controls the base current of a BJT, which…
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Don’t just sit there! Build something!! Learning to mathematically…
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A meter is any device built to accurately detect and display an…
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All About Diodes A diode is an electrical device allowing current to…
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Two relatively recent technologies designed to reduce the…
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A circuit which removes the peak of a waveform is known as a clipper.…
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Generators used in battery-charging systems must be regulated so as to…
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While Oersted’s surprising discovery of electromagnetism paved…
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This calculator helps you compute the inductance of a rectangle loop.
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This article explains the step-by-step process for determining the…
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In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
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Given two lengths of metal wire, which one will have the least…
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A tool designed to compute the values to be used in a T-match Impedance Circuit
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In this circuit, three resistors receive the same amount of current (4…
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A waveguide is a special form of transmission line consisting of a…
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