Categories

Impedance Matching With Transformers

Worksheets - Audio

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Decibel Measurements

Worksheets - Audio

During the early development of telephone technology, a unit was…

Wire-by-Number project kit introduction

Worksheets - Audio

Wire-by-Number project: simple voltage divider Description: Build a…

Bipolar Transistor Biasing Circuits

Worksheets - Audio

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

Vacuum Tube Audio Amplifier

Textbook

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

Class A BJT Amplifiers

Worksheets - Audio

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

Design Project: Sensitive Audio Detector

Worksheets - Audio

The choice of step-down transformers to use in a project such as this…

Basic Troubleshooting Strategies

Worksheets - Audio

A chandelier has five light bulbs in it, and one of them is not…

Clipper and Clamper Circuits

Worksheets - Audio

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

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Resonance

Worksheets - Audio

The Q factor of a series inductive circuit is given by the following…

Open-Loop OpAmp Circuits

Worksheets - Audio

Determine what the magnitude and polarity of the voltmeter’s…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Audio

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

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

When lightning strikes, nearby magnetic compass needles may be seen to…

Metric Prefix Conversions

Textbook

To express a quantity in a different metric prefix from how it was…

Microstrip Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

Design Project: Telegraph System

Worksheets - Audio

What voltage will you choose to use for each of the station batteries?

Precision Voltage Follower

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Temperature Coefficient of Resistance

Textbook

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

DC Bridge Circuits

Worksheets - Audio

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

Biasing Techniques (IGFET)

Textbook

Mutual Inductance

Textbook

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

Building Series-Parallel Resistor Circuits

Textbook

Once again, when building battery/resistor circuits, the student or…

Superposition Theorem

Textbook

Superposition theorem is one of those strokes of genius that takes a…

Insulated Gate Field-Effect Transistors

Worksheets - Audio

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

Elementary Amplifier Theory

Worksheets - Audio

Fundamentally, an amplifier is a device that takes in a low-power…

A 50-Ohm Cable?

Textbook

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

Building Simple Resistor Circuits

Textbook

In the course of learning about electricity, you will want to…

Class A BJT Amplifiers

Worksheets - Audio

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

Correct use of Ohm’s Law

Textbook

Reminders When Using Ohm’s Law One of the most common mistakes…

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Digital-to-Analog Conversion

Worksheets - Audio

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

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

When lightning strikes, nearby magnetic compass needles may be seen to…

Design Project: Sensitive Audio Detector

Worksheets - Audio

The choice of step-down transformers to use in a project such as this…

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Antiderivatives of Power Functions of e

Textbook

  Note: this is a very unique and useful property of e. As in…

Basic Electricity Worksheet

Worksheets - Audio

What is the purpose of the switch shown in this schematic diagram?

Capacitor Charging and Discharging

Textbook

Capacitor Charging and Discharging Experiment Parts and Materials To…

CMOS Logic Gates

Worksheets - Audio

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

Ohm’s Law

Textbook

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

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Susceptance and Admittance

Textbook

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

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Diode Ratings

Textbook

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

Analysis Options

Textbook

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Field-effect-controlled Thyristors

Textbook

Two relatively recent technologies designed to reduce the…

Digital Ramp ADC

Textbook

Also known as the stairstep-ramp, or simply counter A/D converter,…