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Fundamentals of Radio Communication

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

Class A BJT Amplifiers

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Sound Cancellation

Textbook

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

Four-Channel Audio Mixer

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A very common misconception students have about potentiometers is the…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

555 Audio Oscillator

Textbook

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

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Bipolar Transistor Biasing Circuits

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

Sensitive Audio Detector

Textbook

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

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Impedance

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

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Design Project: Audio Tone Control

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

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Mixed-Frequency Signals

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

Open-Loop OpAmp Circuits

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

Series and Parallel AC Circuits

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

Minterm vs Maxterm Solution

Textbook

So far we have been finding Sum-Of-Product (SOP) solutions to logic…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

IC Fabrication and Packaging

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What does it mean if an integrated circuit comes in DIP form? What…

Atomic Structure

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Shown here is a simplified representation of an atom: the smallest…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Electron Activity in Chemical Reactions

Textbook

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

Programmable Logic Controllers

Worksheets - Microphones

The Programmable Logic Controller, or PLC, was invented in the late…

The Common-gate Amplifier (IGFET)

Textbook

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

High Voltage Ohmmeters

Textbook

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

Setting Up a Home Lab

Textbook

In order to build the circuits described in this volume, you will need…

Sensitive Voltage Detector

Textbook

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

Performance-Based Assessments for Analog Integrated Circuit Competencies

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Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…