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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What is a harmonic frequency? If an oscillator circuit outputs a…
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In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.
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Write an equation describing the precise mathematical relationship…
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Don’t just sit there! Build something!! Learning to mathematically…
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Don’t just sit there! Build something!! Learning to mathematically…
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Testing a JFET with a multimeter might seem to be a relatively easy…
Textbook
While the C-B (common-base) amplifier is known for wider bandwidth…
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A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Like its bipolar cousin, the field-effect transistor may be used as an…
Textbook
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
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Most integrated circuits are digital, based on MOS (CMOS) transistors.…
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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 field effect transistor was proposed by Julius Lilienfeld in US…
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A microcontroller is a specialized type of digital computer used to…
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Don’t just sit there! Build something!! Learning to mathematically…
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Schottky diodes Schottky diodes are constructed of a metal-to-N…
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How to Create Band-pass Filter There are applications where a…
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In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
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In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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In the previous section, we explored what would happen in simple…
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In many circuit applications, we encounter components connected…
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When using conventional current flow, we can trace the direction of…
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A third variation on the counter-DAC-based converter theme is, in my…
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In the last section, we learned what would happen in simple…
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Don’t just sit there! Build something!! Learning to mathematically…
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There are three major kinds of power supplies: unregulated (also…
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What is Conductance? In the study of DC circuits, the student of…
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As we’ve seen, negative feedback is an incredibly useful…
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An unbalanced Wheatstone bridge cannot be solved using simple series…
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Value of time constant in series RC and RL circuits Time…
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“The nice thing about standards is that there are so many of…
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With this lesson, I hope to avoid a common mistake found in…
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So far, we’ve explored tubes which are totally…
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Over the course of learning about electricity, you will want to…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Filters
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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Filters
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
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.
Textbook
This tool is designed to compute for the trace width of a microstrip
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Label where each of the following electrical quantities would be found…
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To overcome the challenge of creating necessary DC bias voltage for an…
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This page will walk you step-by-step through the process of…
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A voltage multiplier is a specialized rectifier circuit producing…
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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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The use of variable voltage for instrumentation signals seems a rather…
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The Maximum Power Transfer Theorem is not so much a means of analysis…
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You may have wondered where we got that strange equation for the…
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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Explain the difference between a balanced polyphase system and an…
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A popular use of diodes is for the mitigation of inductive…
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Don’t just sit there! Build something!! Learning to mathematically…
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Since the enable input on a gated S-R latch provides a way to latch…
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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.
Tools
This calculator computes the inductance of a wire coil.
Tools
A tool designed to calculate the guided wavelength inside a microstrip.
Tools
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