Categories

Phase-Locked Loops

Worksheets - Audio

This is a schematic for a simple VCO: The oscillator is of the RC…

Sensitive Voltage Detector

Textbook

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

BJT Amplifier Troubleshooting

Worksheets - Audio

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

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Fundamentals of Radio Communication

Worksheets - Audio

What does the acronym RF stand form, in reference to radio-related…

Waveform Analysis

Textbook

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

Clipper and Clamper Circuits

Worksheets - Audio

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Audio

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

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Multiplexers and Demultiplexers

Worksheets - Audio

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

Design Project: Signal Generator

Worksheets - Audio

Explain the principle of operation for the particular integrated…

Decibel Measurements

Worksheets - Audio

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

Passive Filter Circuits

Worksheets - Audio

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

Mixed-Frequency Signals

Worksheets - Audio

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

Basic Electricity Worksheet

Worksheets - Audio

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

Impedance Matching With Transformers

Worksheets - Audio

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

Design Project: Audio Tone Control

Worksheets - Audio

Suppose you were installing a high-power stereo system in your car,…

Design Project: Audio Media-Based Signal Generator

Worksheets - Audio

Identify some different ways you can create the sine-wave audio tracks…

Counters

Worksheets - Audio

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

Special-purpose Batteries

Textbook

Mercury Standard Cell Back in the early days of electrical measurement…

Basic Operational Amplifiers

Worksheets - Audio

Determine the output voltage polarity of this op-amp (with reference…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Summer and Subtractor OpAmp Circuits

Worksheets - Audio

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

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Shock Current Path

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Design Project: Power Inverter

Worksheets - Audio

A common topology for DC-AC power converter circuits uses a pair of…

Bipolar Transistor Biasing Circuits

Worksheets - Audio

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

Introduction to Solid-state Device Theory

Textbook

This chapter will cover the physics behind the operation of…

What is a Series-Parallel Circuit?

Textbook

With simple series circuits, all components are connected end-to-end…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Audio

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

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

Basic Voltmeter Use

Worksheets - Audio

What will this voltmeter register when connected to a battery as shown…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Clipper Circuits

Textbook

A circuit which removes the peak of a waveform is known as a clipper.…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Negative Feedback OpAmp Circuits

Worksheets - Audio

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

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

JFET Amplifiers

Worksheets - Audio

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

Binary Count Sequence

Textbook

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Transistor Ratings and Packages (IGFET)

Textbook

Static Electricity

Worksheets - Audio

What does it mean for an object to have an electric charge? Give an…