All About Circuits

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Time Constant Circuits

Time Constant Circuits

Generally speaking, how many “time constants” worth of time does…


Worksheets - Inductors

Impedance

Impedance

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Capacitor Quirks

Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…


Textbook

Capacitance Calculator

Capacitance Calculator

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.


Tools

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Inductors

Practical Considerations - Inductors

Practical Considerations - Inductors

Inductors, like all electrical components, have limitations which must…


Textbook

AC Bridge Circuits

AC Bridge Circuits

As we saw with DC measurement circuits, the circuit configuration…


Textbook

AC Lab - Variable Inductor

AC Lab - Variable Inductor

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.


Textbook

Capacitors and Calculus

Capacitors and Calculus

Capacitors do not have a stable “resistance” as conductors…


Textbook

Inductance, Reactance, and Admittance Calculator

Inductance, Reactance, and Admittance Calculator

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor


Tools

Example Circuits and Netlists

Example Circuits and Netlists

The following circuits are pre-tested netlists for SPICE 2g6, complete…


Textbook

Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

Determine what the magnitude and polarity of the voltmeter’s…


Worksheets - Inductors

AC Power

AC Power

If a sinusoidal voltage is applied to an impedance with a phase angle…


Worksheets - Inductors

Si Lab - Commutating Diode

Si Lab - Commutating Diode

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.


Textbook

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

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.


Textbook

An Electric Pendulum

An Electric Pendulum

Capacitors store energy in the form of an electric field, and…


Textbook

Differential Transistor Amplifiers

Differential Transistor Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Electromagnetic Induction

Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…


Textbook

Time Constant Circuits

Time Constant Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Capacitor Sizing Equation

Capacitor Sizing Equation

Capacitance Formula     Permittivity of Dielectric  …


Textbook

Electric Fields and Capacitance

Electric Fields and Capacitance

Introduction Whenever an electric voltage exists between two separated…


Textbook

Resistor Color Codes

Resistor Color Codes

Try out our Resistor Color Code Calculator in our Tools section.…


Textbook

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

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.


Textbook

Example Circuits and Netlists

Example Circuits and Netlists

The following circuits are pre-tested netlists for SPICE 2g6, complete…


Textbook

Si Lab - Multi-stage Amplifier

Si Lab - Multi-stage Amplifier

In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.


Textbook

DC Lab - Current Divider

DC Lab - Current Divider

In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.


Textbook

Basic Ohmmeter Use

Basic Ohmmeter Use

Explain how an ohmmeter is able to measure the resistance of a…


Worksheets - Inductors

555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


Textbook

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

Digital Logic Signals

Digital Logic Signals

A rheostat (variable resistor) and a switch are both examples of…


Worksheets - Inductors

Battery Life Calculator

Battery Life Calculator

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

Bipolar Transistor Biasing Circuits

Bipolar Transistor Biasing Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


Tools

Polarity of voltage drops

Polarity of voltage drops

When using conventional current flow, we can trace the direction of…


Textbook

Inductors

Inductors

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…


Worksheets - Inductors

Semiconductor Devices in SPICE

Semiconductor Devices in SPICE

The SPICE (Simulation Program, Integrated Circuit Emphesis)…


Textbook

Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


Textbook

Linear Computational Circuitry

Linear Computational Circuitry

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Rectifier Circuits

Rectifier Circuits

What is Rectification? Now we come to the most popular application of…


Textbook

Special-output Gates

Special-output Gates

Complementary Output Gates It is sometimes desirable to have a logic…


Textbook

What is Network Analysis?

What is Network Analysis?

The basic application of Ohm’s law to combinations of series and…


Textbook

AC Lab - Noise Cancellation

AC Lab - Noise Cancellation

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.


Textbook

Series Circuit Rules

Series Circuit Rules

Current Components in a series circuit share the same current: Itotal…


Textbook

Time Constant Calculations

Time Constant Calculations

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Electrical Energy Calculator

Electrical Energy Calculator

This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.


Tools

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Inductors

Trigonometry for AC Circuits

Trigonometry for AC Circuits

Identify which trigonometric functions (sine, cosine, or tangent) are…


Worksheets - Inductors

Introduction to Solid-state Device Theory

Introduction to Solid-state Device Theory

This chapter will cover the physics behind the operation of…


Textbook

Converting Between Thevenin and Norton Equivalent Circuits

Converting Between Thevenin and Norton Equivalent Circuits

Since Thevenin’s theorem and Norton’s theorems are two…


Textbook

Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…


Textbook

Simple Circuits

Simple Circuits

Shown here is the schematic symbol for a resistor: What is the purpose…


Worksheets - Inductors

Edge Coupled Trace Inductance Calculator

Edge Coupled Trace Inductance Calculator

This calculator helps you compute for the inductance of an edge coupled trace.


Tools

Power Conversion Circuits

Power Conversion Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Inductors

Radar Maximum Range Calculator

Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect


Tools

Non-right Triangle Trigonometry

Non-right Triangle Trigonometry

The Law of Sines (for any triangle) The Law of Cosines (for any…


Textbook