Categories

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Series and Parallel AC Circuits

Worksheets - Capacitors

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

Time Constant Calculations

Worksheets - Capacitors

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

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Oscillator Circuits

Worksheets - Capacitors

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

Impedance

Worksheets - Capacitors

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

Multi-Stage Transistor Amplifiers

Worksheets - Capacitors

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

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Passive Filter Circuits

Worksheets - Capacitors

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

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Passive Integrator and Differentiator Circuits

Worksheets - Capacitors

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

Capacitor Types

Textbook

A capacitor is a passive two-terminal electronic component that…

BJT Amplifier Troubleshooting

Worksheets - Capacitors

As an instructor of electronics, I am called upon frequently to help…

AC Network Analysis

Worksheets - Capacitors

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

Capacitors and Calculus

Textbook

Capacitors do not have a stable “resistance” as conductors…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

Four-Channel Audio Mixer

Worksheets - Capacitors

A very common misconception students have about potentiometers is the…

Insulator Breakdown Voltage

Textbook

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

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…

Bipolar Transistor Biasing Circuits

Worksheets - Capacitors

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

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Time Constant Circuits

Worksheets - Capacitors

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

Conductors, Insulators, and Electron Flow

Textbook

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

What is the Relationship Between Conductance and Resistance?

Textbook

The concept and measurement units of resistance are most often used…

Complex Circuits

Textbook

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

Time Constant Calculations

Worksheets - Capacitors

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

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Oscillator Circuits

Worksheets - Capacitors

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

SPICE Quirks

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Band-pass Filters

Textbook

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

AC Generator Theory

Worksheets - Capacitors

If an electric current is passed through this wire, which direction…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Active-mode Operation (JFET)

Textbook

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

The Quadratic Formula

Textbook

Solving for x in a given polynomial equation “ax2 + bx + c…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Ohmmeter Design

Textbook

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

DC Mesh Current Analysis

Worksheets - Capacitors

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

Basic Ammeter Use

Worksheets - Capacitors

Show how this ammeter would be connected to the light bulb circuit to…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Ohm’s Law

Worksheets - Capacitors

For a given amount of water pressure, which will flow a greater rate…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Converting Truth Tables into Boolean Expressions

Textbook

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

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…