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Regulated Power Sources

Worksheets - Passives

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Passives

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

Complex Circuits

Textbook

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Passives

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

Power Dissipation

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Zener Diodes

Worksheets - Passives

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

Series-Parallel Combination AC Circuits

Worksheets - Passives

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

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Precision Potentiometer

Textbook

PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…

Thyristors

Worksheets - Passives

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

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Simultaneous Equations for Circuit Analysis

Worksheets - Passives

Solve this equation for the value of x: x 5 = 8 How many exact…

SPICE Quirks

Textbook

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

555 Hysteretic Oscillator

Textbook

Try out our 555 Timer Astable Circuit in our Tools section. PARTS AND…

Basic AC-DC Power Supplies

Worksheets - Passives

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

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Digital Logic Signals

Worksheets - Passives

A rheostat (variable resistor) and a switch are both examples of…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Rectifier/Filter Circuit

Textbook

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

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

The “Buffer” Gate

Textbook

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

Electron Activity in Chemical Reactions

Textbook

So far in our discussions on electricity and electric circuits, we…

Simple Circuits

Worksheets - Passives

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

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

Physical Effects of Electricity

Worksheets - Passives

Certain substances are known to physically deform (shorten or…

Simple Series Resonance

Textbook

A similar effect happens in series inductive/capacitive circuits. When…

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Passive Integrator and Differentiator Circuits

Worksheets - Passives

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

Electrical Signal Types

Textbook

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

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

DC Generator Theory

Worksheets - Passives

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

The 555 IC

Textbook

The 555 integrated circuit is the most popular chip ever…

Pi Attenuator Calculator

Tools

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

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Numbers and Symbols

Textbook

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

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…

Mutual Inductance

Worksheets - Passives

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

Design Project: LED Stroboscope

Worksheets - Passives

A technician uses a stroboscope to “freeze” the rotation of a…

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

T-Pad Attenuator Calculator

Tools

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

Contributors (1)

Textbook

Contributors to this chapter are listed in chronological order of…

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

DC Branch Current Analysis

Worksheets - Passives

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

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Millman’s Theorem

Worksheets - Passives

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

Design Project: Voltmeter

Worksheets - Passives

The most important component of your voltmeter will be the…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Electrical Noise and Interference

Worksheets - Passives

Define what noise means, in the electrical sense of the word. How does…

Insulator Breakdown Voltage

Textbook

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

IGFET Amplifiers

Worksheets - Passives

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Passives

In this circuit, three resistors receive the same amount of voltage…