All About Circuits

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Safe Circuit Design

Safe Circuit Design

As we saw earlier, a power system with no secure connection to earth…


Textbook

SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Computer Simulation of Electric Circuits

Computer Simulation of Electric Circuits

Computers can be powerful tools if used properly, especially in the…


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Analog Lab - Non-inverting Amplifier

Analog Lab - Non-inverting Amplifier

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.


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Analog Lab - Precision Voltage Follower Using an Op Amp

Analog Lab - Precision Voltage Follower Using an Op Amp

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.


Textbook

Mutual Inductance

Mutual Inductance

When an electric current is passed through a coil of wire, what…


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Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - EDA Tools

LC Tank Circuit Resonance Calculator

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.


Tools

The Common-base Amplifier

The Common-base Amplifier

The final transistor amplifier configuration (Figure below) we need to…


Textbook

Early Tube History

Early Tube History

Thomas Edison, that prolific American inventor, is often credited with…


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Complex Circuits

Complex Circuits

What do we do if we come across a circuit more complex than the simple…


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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…


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Circuits and the Speed of Light

Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…


Textbook

Likely Failures in Unproven Systems

Likely Failures in Unproven Systems

“All men are liable to error;” —John Locke Whereas…


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Design Project: Stepper Motor Driver

Design Project: Stepper Motor Driver

At first it may seem pointless to have the four buffer gates following…


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555 Lab - Monostable Multivibrator (One-shot)

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.


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Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

How is it possible to assign a fixed value of voltage or current (such…


Worksheets - EDA Tools

Digital Lab - Digital Combination Lock

Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.


Textbook

Troubleshooting Series and Parallel Circuits

Troubleshooting Series and Parallel Circuits

The jobs of electronics engineers and technicians frequently entail…


Textbook

Active Loads in Amplifier Circuits

Active Loads in Amplifier Circuits

We know that the current in a series circuit may be calculated with…


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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…


Textbook

Band-pass Filters

Band-pass Filters

How to Create Band-pass Filter There are applications where a…


Textbook

Voltage and Current

Voltage and Current

As was previously mentioned, we need more than just a continuous path…


Textbook

Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


Worksheets - EDA Tools

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Parallel-in/ serial-out shift registers do everything that the…


Textbook

TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


Textbook

Monostable Multivibrators

Monostable Multivibrators

We’ve already seen one example of a monostable multivibrator in…


Textbook

Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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Digital Ramp ADC

Digital Ramp ADC

Also known as the stairstep-ramp, or simply counter A/D converter,…


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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

Edge Coupled Microstrip Impedance Calculator

Edge Coupled Microstrip Impedance Calculator

This tool helps calculate the impedance of an edge-coupled microstrip.


Tools

Copper Wire Gauge Table

Copper Wire Gauge Table

Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…


Textbook

Analog Lab - 555 Ramp Signal Generator

Analog Lab - 555 Ramp Signal Generator

In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.


Textbook

Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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Clamper Circuits

Clamper Circuits

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


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Larger 5 & 6-variable Karnaugh Maps

Larger 5 & 6-variable Karnaugh Maps

Larger Karnaugh maps reduce larger logic designs. How large is large…


Textbook

Introduction to Digital Communication

Introduction to Digital Communication

In the design of large and complex digital systems, it is often…


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Binary Overflow

Binary Overflow

One caveat with signed binary numbers is that of overflow, where the…


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AC Phase

AC Phase

Things start to get complicated when we need to relate two or more AC…


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Connectors

Connectors

An electrical connector, is an electro-mechanical device used to join…


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Resonance

Resonance

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


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Square Wave Signals

Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…


Textbook

Design Project: Audio Power Amplifier

Design Project: Audio Power Amplifier

Explain how the microphone in your amplifier works. How, exactly, does…


Worksheets - EDA Tools

Converting Truth Tables into Boolean Expressions

Converting Truth Tables into Boolean Expressions

In designing digital circuits, the designer often begins with a truth…


Textbook

AC Lab - Musical Keyboard as a Signal Generator

AC Lab - Musical Keyboard as a Signal Generator

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.


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