Capacitors do not have a stable “resistance” as conductors…
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The following circuits are pre-tested netlists for SPICE 2g6, complete…
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There are circumstances when you may need to analyze a DC reactive…
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Shown here is the schematic symbol for a resistor: What is the purpose…
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Learn About L/R Time Constants It is often perplexing to new students…
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In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
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The smaller the cross-sectional area of any given wire, the greater…
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This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
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Don’t just sit there! Build something!! Learning to mathematically…
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What does the acronym RF stand form, in reference to radio-related…
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Let’s analyze a simple series circuit and determine the voltage…
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In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.
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Let’s take the following example circuit and analyze it: …
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Our exploration of thyristors begins with a device called the…
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A rheostat (variable resistor) and a switch are both examples of…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
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In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.
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A common phrase heard in reference to electrical safety goes something…
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In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
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Like all electrical and electronic components, transistors are limited…
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Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.
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Don’t just sit there! Build something!! Learning to mathematically…
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Pure resistive AC circuit: voltage and current are in phase. …
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RELATED WORKSHEET: Calculus for Electric…
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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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Bipolar Junction Transistor or BJT Current Mirror An often-used…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.
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Point-to-Point Connecting two digital devices with a network, would…
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It was discovered centuries ago that certain types of materials would…
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Of course, there is a danger of electrical shock when directly…
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Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
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Boolean algebra finds its most practical use in the simplification of…
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A rheostat (variable resistor) and a switch are both examples of…
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It is very important to keep in mind that the “normal”…
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Starting with circle A in a rectangular A’ universe in figure…
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This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.
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So far, we’ve studied both S-R and D latch circuits with enable…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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When analyzing complex series and parallel circuits, it is easy to…
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As was mentioned before, the angle of this “power…
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In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.
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In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
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JFETs, like bipolar transistors, are able to “throttle”…
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In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
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The fourth example has A partially overlapping B. Though, we will…
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In essence, the IGFET controls the base current of a BJT, which…
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Note: all angles (x) must be expressed in units of radians for these…
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The Skin Depth of Copper in Electrical Engineering As previously…
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In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.
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A calculator for computing the gain and output voltage of an operational amplifier
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Early in my explorations of electricity, I came across a length of…
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What will happen to the brightness of the light bulb as the iron core…
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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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The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
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Contributors to this chapter are listed in chronological order of…
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You may have wondered where we got that strange equation for the…
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