All About Circuits

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Capacitance

Capacitance

Write an equation describing the precise mathematical relationship…


Worksheets - Resistors

AC Lab - Sensitive Voltage Detector with Audio Output

AC Lab - Sensitive Voltage Detector with Audio Output

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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Resonant Filters

Resonant Filters

So far, the filter designs we’ve concentrated on have employed…


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Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


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Oscillator Circuits

Oscillator Circuits

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


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Capacitors and Calculus

Capacitors and Calculus

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


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DC Generator Theory

DC Generator Theory

Generators used in battery-charging systems must be regulated so as to…


Worksheets - Resistors

Potentiometers

Potentiometers

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


Worksheets - Resistors

Thyristors

Thyristors

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


Worksheets - Resistors

DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


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Parallel Resistor-Capacitor Circuits

Parallel Resistor-Capacitor Circuits

Using the same value components in our series example circuit, we will…


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555 Lab - Schmitt Trigger

555 Lab - Schmitt Trigger

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.


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Bridge Circuits

Bridge Circuits

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


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Low-pass Filters

Low-pass Filters

By definition, a low-pass filter is a circuit offering easy passage to…


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Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - Resistors

Analog Lab - Op Amp Integrator

Analog Lab - Op Amp Integrator

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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DC Lab - Build Your Own Multimeter

DC Lab - Build Your Own Multimeter

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.


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Voltage Divider Calculator

Voltage Divider Calculator

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.


Tools

SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


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Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Resistors

Introduction to Conductance and Conductors

Introduction to Conductance and Conductors

By now you should be well aware of the correlation between electrical…


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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.


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Potentiometers

Potentiometers

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


Worksheets - Resistors

Voltage Divider Circuits

Voltage Divider Circuits

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


Textbook

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


Worksheets - Resistors

Parallel Circuits and the Application of Ohm’s Law

Parallel Circuits and the Application of Ohm’s Law

In this introduction to parallel resistance circuits, we will explain…


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Bipolar Transistor Biasing Circuits

Bipolar Transistor Biasing Circuits

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


Worksheets - Resistors

Permeability and Saturation

Permeability and Saturation

The nonlinearity of material permeability may be graphed for better…


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Insulator Breakdown Voltage

Insulator Breakdown Voltage

The atoms in insulating materials have very tightly-bound electrons,…


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Intermediate Electromagnetism and Electromagnetic Induction

Intermediate Electromagnetism and Electromagnetic Induction

As an electric current is passed through a coil of wire, it creates a…


Worksheets - Resistors

Capacitors and Calculus

Capacitors and Calculus

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


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Electromagnetic Induction

Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…


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Capacitor Types

Capacitor Types

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


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Time Constant Calculations

Time Constant Calculations

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


Worksheets - Resistors

Troubleshooting Series and Parallel Circuits

Troubleshooting Series and Parallel Circuits

The jobs of electronics engineers and technicians frequently entail…


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Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


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SPICE Quirks

SPICE Quirks

“Garbage in, garbage out.” —Anonymous   SPICE…


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AC Circuit Equations

AC Circuit Equations

Inductive Reactance     Capacitive Reactance    …


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DC Lab - Precision Potentiometer

DC Lab - Precision Potentiometer

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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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

Microstrip Patch Antenna Calculator

Microstrip Patch Antenna Calculator

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.


Tools

Pi Attenuator Calculator

Pi Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.


Tools

Digital-to-Analog Conversion

Digital-to-Analog Conversion

If a pulse-width modulated (PWM) signal is sent to a passive…


Worksheets - Resistors

The “Buffer” Gate

The “Buffer” Gate

If we were to connect two inverter gates together so that the output…


Textbook

Frequency and Phase Measurement

Frequency and Phase Measurement

An important electrical quantity with no equivalent in DC circuits is…


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Arc Flash and Arc Blast

Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…


Worksheets - Resistors

Electric Shock

Electric Shock

It is sometimes said regarding electrical safety that, Ït’s not the…


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Design Project: AC-DC Power Supply

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…


Worksheets - Resistors

Introduction to Bipolar Junction Transistors (BJT)

Introduction to Bipolar Junction Transistors (BJT)

The invention of the bipolar transistor in 1948 ushered in a…


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Basic Electricity Worksheet

Basic Electricity Worksheet

What is the purpose of the switch shown in this schematic diagram?


Worksheets - Resistors

Enhancement-type IGFETs

Enhancement-type IGFETs


Textbook

Introduction to Solid-state Device Theory

Introduction to Solid-state Device Theory

This chapter will cover the physics behind the operation of…


Textbook

Lorentz Force Calculator

Lorentz Force Calculator

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.


Tools

Impedance Transformation

Impedance Transformation

Standing waves at the resonant frequency points of an open- or…


Textbook

Voltage Divider Circuits

Voltage Divider Circuits

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


Worksheets - Resistors

Current Divider Circuits

Current Divider Circuits

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


Worksheets - Resistors

Insulator Breakdown Voltage

Insulator Breakdown Voltage

The atoms in insulating materials have very tightly-bound electrons,…


Textbook

Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


Worksheets - Resistors

Design Project: Intercom System

Design Project: Intercom System

Design a passive circuit that will create a "split” ( V/-V) power…


Worksheets - Resistors

Programmable Logic Controllers (PLC)

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…


Textbook