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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An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
It has been found that any repeating, non-sinusoidal waveform can be…
Textbook
In very simple, qualitative terms, rate the impedance of capacitors…
Worksheets - Audio
What is the purpose of the switch shown in this schematic diagram?
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Don’t just sit there! Build something!! Learning to mathematically…
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What is Attenuators? Attenuators are passive devices. It is…
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Explain the principle of operation for the particular integrated…
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The Q factor of a series inductive circuit is given by the following…
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Don’t just sit there! Build something!! Learning to analyze digital…
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This is a schematic for a simple VCO: The oscillator is of the RC…
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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The Bel is Used to Represent Gain In its simplest form, an…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
In our study of AC circuits thus far, we’ve explored circuits…
Textbook
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.
Tools
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Tools
Whenever there is a mismatch of impedance between transmission line…
Textbook
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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Textbook
In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.
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How is it possible to electrically measure the torque output by a…
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Digital logic gate circuits are manufactured as integrated circuits:…
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If vectors with uncommon angles are added, their magnitudes (lengths)…
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This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Tools
Design a passive circuit that will create a "split” ( V/-V) power…
Worksheets - Audio
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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After the introduction of the DC electrical distribution system by…
Textbook
Explain how the microphone in your amplifier works. How, exactly, does…
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The wires between the tank and the monitoring location is called…
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Let’s take the same components for our series example circuit…
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Contributors to this chapter are listed in chronological order of…
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Safety is very important when designing and/or building a device…
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Many electronic circuits use what is called a split or a dual power…
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Wiring Color Codes Infographic. Released under the Creative Commons…
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To express a quantity in a different metric prefix from how it was…
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Designing Wire Resistance Conductor ampacity rating is a crude…
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Inductors do not have a stable “resistance” as conductors…
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A calculator for computing the impedance of a wire stripline.
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In addition to performing tasks of amplification and switching, tubes…
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The electrical resistance of a conductor at any temperature may be…
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Power Capacity As has already been observed, transformers must be well…
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As was previously mentioned, we need more than just a continuous path…
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This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
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AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…
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The term “combinational” comes to us from mathematics. In…
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The basic application of Ohm’s law to combinations of series and…
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Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
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Buses and networks are designed to allow communication to occur…
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Temperature coefficient (α) per degree C: Material Element/Alloy…
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Older electrical schematics showed connecting wires crossing, while…
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It is sometimes said regarding electrical safety that, Ït’s not the…
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Generators used in battery-charging systems must be regulated so as to…
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Thyristors are a broad classification of bipolar-conducting…
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A serial-in, parallel-out shift register is similar to the serial-in,…
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Textbook
Just as devices have been made to measure certain physical quantities…
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If at all possible, shut off the power to a circuit before performing…
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