Categories

Sensitive Audio Detector

Textbook

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

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Design Project: Signal Generator

Worksheets - Audio

Explain the principle of operation for the particular integrated…

Waveform Analysis

Textbook

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

AC Network Analysis

Worksheets - Audio

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

PC Oscilloscope

Textbook

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Battery Life Calculator

Tools

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

Attenuators

Textbook

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Audio

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

Open-Loop OpAmp Circuits

Worksheets - Audio

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

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

Vacuum Tube Audio Amplifier

Textbook

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

Square Root, Cube Root, and Nth Root Calculator

Tools

This calculator will determine the square root, cube root, or nth root of a given number, x.

Passive Filter Circuits

Worksheets - Audio

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

Class B Audio Amplifier

Textbook

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

AC Waveforms

Worksheets - Audio

Radio waves are comprised of oscillating electric and magnetic fields,…

Design Project: Sensitive Audio Detector

Worksheets - Audio

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

Design Project: Audio Media-Based Signal Generator

Worksheets - Audio

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

555 Audio Oscillator

Textbook

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

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Tubes versus Semiconductors

Textbook

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

Thyristors

Worksheets - Audio

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

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

Transistor Ratings and Packages (IGFET)

Textbook

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

Voltage and Current

Textbook

As was previously mentioned, we need more than just a continuous path…

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Special Diodes

Worksheets - Audio

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

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

TTL NOR and OR gates

Textbook

TTL Circuit Analysis Let’s examine the following TTL circuit and…

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.

Encoder

Textbook

What is an Encoder? An encoder is a circuit that changes a set of…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Current Divider Circuits

Worksheets - Audio

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

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

Gate Universality

Textbook

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

Automotive Alternator

Textbook

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

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Optoelectronic Devices

Worksheets - Audio

In this circuit, the electric motor is supposed to turn on whenever…

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Arc Flash and Arc Blast

Worksheets - Audio

Electromechanical relays used to start and stop high-power electric…

Full-Adder

Textbook

The half-adder is extremely useful until you want to add more than one…

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Amplifiers

Textbook

Practical Benefit of Active Devices The practical benefit of active…

Scientific Notation and Metric Prefixes

Worksheets - Audio

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

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Encoders and Decoders

Worksheets - Audio

What does it mean, in general terms, to encode something? Conversely,…

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

The Common-drain Amplifier (IGFET)

Textbook

Electrical Connections

Worksheets - Audio

What, exactly, is necessary to establish electrical continuity between…