Categories

Biasing Techniques (BJT)

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Electrical Signal Types

Textbook

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

Latch Circuits

Worksheets - Digital Filters

What do you think this logic buffer gate will do, with the output…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

AC Network Analysis

Worksheets - Digital Filters

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

Square Wave Signals

Textbook

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

Temperature Coefficient of Resistance

Textbook

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

Oscillator Circuits

Worksheets - Digital Filters

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

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Harmonics in Polyphase Power Systems

Textbook

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

Passive Filter Circuits

Worksheets - Digital Filters

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

Temperature Coefficient of Resistance

Worksheets - Digital Filters

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

Mixed-Frequency Signals

Worksheets - Digital Filters

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

Polyphase Power Systems

Worksheets - Digital Filters

Explain the difference between a balanced polyphase system and an…

AC Network Analysis

Worksheets - Digital Filters

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

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Tracking ADC

Textbook

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

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Linear Computational Circuitry

Worksheets - Digital Filters

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

Temperature Coefficient of Resistance

Textbook

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

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Analog-to-Digital Conversion

Worksheets - Digital Filters

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

Multiplexers and Demultiplexers

Worksheets - Digital Filters

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

Successive Approximation ADC

Textbook

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

Design Project: Signal Generator

Worksheets - Digital Filters

Explain the principle of operation for the particular integrated…

Musical Keyboard as a Signal Generator

Textbook

PARTS AND MATERIALS Electronic “keyboard” (musical)…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Digital Filters

What shape of voltage waveform would you expect to measure (using an…

Slope (integrating) ADC

Textbook

So far, we’ve only been able to escape the sheer volume of…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Inductor Transient Response

Textbook

Inductors have the exact opposite characteristics of capacitors.…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

EIRP Calculator

Tools

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

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Digital-to-Analog Conversion

Worksheets - Digital Filters

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

Optical Data Communication

Textbook

A modern alternative to sending (binary) digital information via…

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

JFET Amplifiers

Worksheets - Digital Filters

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

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

Numeration Systems

Worksheets - Digital Filters

Digital computers communicate with external devices through ports:…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque