All About Circuits

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Passive Filter Circuits

Passive Filter Circuits

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


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Square Wave Signals

Square Wave Signals

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


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Harmonics in Polyphase Power Systems

Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…


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Mixed-Frequency Signals

Mixed-Frequency Signals

What is a harmonic frequency? If an oscillator circuit outputs a…


Worksheets - Spectral Analysis

Biasing Techniques (BJT)

Biasing Techniques (BJT)

In the common-emitter section of this chapter, we saw a SPICE analysis…


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Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


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Square Wave Signals

Square Wave Signals

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


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Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

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


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Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

It is a common phenomenon for the electrical resistance of a substance…


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AC Network Analysis

AC Network Analysis

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


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Tracking ADC

Tracking ADC

A third variation on the counter-DAC-based converter theme is, in my…


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Linear Computational Circuitry

Linear Computational Circuitry

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


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Voltage Signal Systems

Voltage Signal Systems

The use of variable voltage for instrumentation signals seems a rather…


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Oscillator Circuits

Oscillator Circuits

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


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Shift Registers

Shift Registers

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


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Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


Worksheets - Spectral Analysis

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


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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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Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…


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Successive Approximation ADC

Successive Approximation ADC

One method of addressing the digital ramp ADC’s shortcomings is…


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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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Multiplexers and Demultiplexers

Multiplexers and Demultiplexers

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


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Analog-to-Digital Conversion

Analog-to-Digital Conversion

The circuit shown here is a four-bit analog-to-digital converter…


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Safe Circuit Design

Safe Circuit Design

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


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Semiconductor Manufacturing Techniques

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…


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Fundamentals of SPICE programming

Fundamentals of SPICE programming

Programming a circuit simulation with SPICE is much like programming…


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Thyristor Application Circuits

Thyristor Application Circuits

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


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Physiological Effects of Electricity

Physiological Effects of Electricity

Most of us have experienced some form of electric “shock,”…


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Critical Temperatures for Superconductors

Critical Temperatures for Superconductors

Critical temperatures given in Kelvins Material Element/Alloy Critical…


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Circuit Effects

Circuit Effects

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


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Superposition Theorem

Superposition Theorem

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


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Symmetric Stripline Impedance Calculator

Symmetric Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a symmetric stripline.


Tools

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Spectral Analysis

Transistors, Hybrid

Transistors, Hybrid

In essence, the IGFET controls the base current of a BJT, which…


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Ohmmeter Design

Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…


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DC Metrology

DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…


Worksheets - Spectral Analysis

Coax Impedance Calculator

Coax Impedance Calculator

A helpful tool for calculating the impedance of a coaxial cable.


Tools

EIRP Calculator

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna


Tools

Introduction to Network Theorems for Circuit Analysis

Introduction to Network Theorems for Circuit Analysis

Anyone who’s studied geometry should be familiar with the…


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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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Digital Codes

Digital Codes

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - Spectral Analysis

Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


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An Analogy for Divided Feedback

An Analogy for Divided Feedback

A helpful analogy for understanding divided feedback amplifier…


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