Categories

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Basic AC-DC Power Supplies

Worksheets - Power-Management ICs

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

AC Network Analysis

Worksheets - Power-Management ICs

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

Ohmmeter Design

Textbook

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

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Characteristic Impedance

Worksheets - Power-Management ICs

Note the “50 ohm” rating printed on the jacket of the cable. What…

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

Worksheets - Power-Management ICs

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Design Project: Signal Generator

Worksheets - Power-Management ICs

Explain the principle of operation for the particular integrated…

Inductors

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∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Algebraic Substitution for Electric Circuits

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There are two basic Ohm’s Law equations: one relating voltage,…

Design Project: Logic Probe

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What factors determine where potentiometers Rpot1 and Rpot2 must be…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Component Modeling

Worksheets - Power-Management ICs

When plotted on a curve tracer, the characteristic curve for a normal…

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Introduction to Bipolar Junction Transistors (BJT)

Textbook

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

Basic Oscilloscope Operation

Worksheets - Power-Management ICs

An oscilloscope is a very useful piece of electronic test equipment.…

Current Divider Circuits

Worksheets - Power-Management ICs

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

Impedance

Worksheets - Power-Management ICs

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

How to Use an Ammeter to Measure Current

Textbook

Parts and Materials   6-volt battery   6-volt incandescent…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Voltage Comparator

Textbook

Parts and Materials Operational amplifier, model 1458 or 353…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…

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

Textbook

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

Flyback Switch Mode Regulator Calculator

Tools

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

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Safe Circuit Design

Textbook

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

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Simple Circuits

Worksheets - Power-Management ICs

Shown here is the schematic symbol for a resistor: What is the purpose…

Scientific Notation and Metric Prefixes

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Write the following exponential expressions in expanded form: 101 =…

Batteries

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If I wanted to build a battery-powered electric drill, would it be…

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Harmonics in Polyphase Power Systems

Textbook

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

Active Loads in Amplifier Circuits

Worksheets - Power-Management ICs

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Time-Delay Electromechanical Relays

Worksheets - Power-Management ICs

What does the normal status of an electrical switch refer to?…