All About Circuits

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Bridge Circuits

Bridge Circuits

No text on electrical metering could be called complete without a…


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DC Lab - Voltage Divider

DC Lab - Voltage Divider

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


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Digital Logic Signals

Digital Logic Signals

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


Worksheets - Resistors

Resistors Types

Resistors Types

These are the most common types of resistors available. Resistors…


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Design Project: Logic Probe

Design Project: Logic Probe

What factors determine where potentiometers Rpot1 and Rpot2 must be…


Worksheets - Resistors

DC Lab - Capacitor Charging and Discharging

DC Lab - Capacitor Charging and Discharging

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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Capacitor Quirks

Capacitor Quirks

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


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DC Lab - Rate-of-change Indicator

DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.


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Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Resistors

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Resistors

Resonance

Resonance

The Q factor of a series inductive circuit is given by the following…


Worksheets - Resistors

Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


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Voltage Divider Circuits

Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…


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Superposition Theorem

Superposition Theorem

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


Worksheets - Resistors

Passive Filter Circuits

Passive Filter Circuits

In very simple, qualitative terms, rate the impedance of capacitors…


Worksheets - Resistors

Capacitor Charge and Time Constant Calculator

Capacitor Charge and Time Constant Calculator

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.


Tools

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Si Lab - Full-wave Bridge Rectifier With Output Filtering

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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Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Resistors

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…


Worksheets - Resistors

Magnetic Units of Measurement

Magnetic Units of Measurement

In electric circuits, the three basic quantities are voltage (E or V),…


Worksheets - Resistors

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


Worksheets - Resistors

555 Lab - Oscillator With Hysteresis

555 Lab - Oscillator With Hysteresis

In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.


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Series Resistor-Capacitor Circuits

Series Resistor-Capacitor Circuits

In the last section, we learned what would happen in simple…


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An Analogy for Ohm’s Law

An Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the…


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Mutual Inductance and Basic Operation

Mutual Inductance and Basic Operation

Behaviors of Inductors wrapped around a Conductive Core Suppose we…


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Resistors

Capacitor Types

Capacitor Types

A capacitor is a passive two-terminal electronic component that…


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AC Lab - Sensing AC Magnetic Fields

AC Lab - Sensing AC Magnetic Fields

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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AC Capacitor Circuits

AC Capacitor Circuits

Capacitors Vs. Resistors Capacitors do not behave the same as…


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Circuit Effects

Circuit Effects

The principle of non-sinusoidal, repeating waveforms being equivalent…


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Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…


Worksheets - Resistors

Resonance in Series-Parallel Circuits

Resonance in Series-Parallel Circuits

In simple reactive circuits with little or no resistance, the effects…


Textbook

Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


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Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - Resistors

Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


Worksheets - Resistors

AC Resistor Circuits (Capacitive)

AC Resistor Circuits (Capacitive)

Pure resistive AC circuit: voltage and current are in phase.  …


Textbook

Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


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Transistor Biasing Calculations

Transistor Biasing Calculations

Although transistor switching circuits operate without bias, it is…


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Fundamentals of Radio Communication

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…


Worksheets - Resistors

Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


Worksheets - Resistors

Synchronous Counters

Synchronous Counters

What is a Synchronous Counter? A synchronous counter, in contrast to…


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Millman’s Theorem

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…


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The S-R Latch

The S-R Latch

A bistable multivibrator has two stable states, as indicated by the…


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AC Lab - Signal and Noise Coupling

AC Lab - Signal and Noise Coupling

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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Current Divider Circuits

Current Divider Circuits

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


Worksheets - Resistors

Clamper Circuits

Clamper Circuits

The circuits in the figure below are known as clampers or DC…


Textbook

Digital Lab - S-R Latch With Enable Input using NAND Gates

Digital Lab - S-R Latch With Enable Input using NAND Gates

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.


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Power Sources

Power Sources

There are many different types of power sources, and here some of the…


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

You might have noticed on the table for specific resistances that all…


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Making a Venn Diagram Look Like a Karnaugh Map

Making a Venn Diagram Look Like a Karnaugh Map

Starting with circle A in a rectangular A’ universe in figure…


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Si Lab - JFET Switching Circuit and Static Electricity Sensor

Si Lab - JFET Switching Circuit and Static Electricity Sensor

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.


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Electron Versus Conventional Flow

Electron Versus Conventional Flow

In this electrical circuit, trace the direction of current through the…


Worksheets - Resistors

The Quadratic Formula

The Quadratic Formula

Solving for x in a given polynomial equation “ax2 + bx + c…


Textbook

555 Lab - Red LED Flasher

555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.


Textbook

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

A calculator for computing several parameters needed in the design of a flyback switch mode regulator


Tools

Practical considerations - Digital Communication

Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…


Textbook

Power Quality Measurement

Power Quality Measurement

It used to be with large AC power systems that “power…


Textbook

AC Inductor Circuits

AC Inductor Circuits

Resistors vs. Inductors Inductors do not behave the same way as…


Textbook

DC Lab - Potentiometric Voltmeter

DC Lab - Potentiometric Voltmeter

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.


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The Cascode Amplifier

The Cascode Amplifier

While the C-B (common-base) amplifier is known for wider bandwidth…


Textbook