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Radio Circuits

Textbook

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

Fundamentals of Radio Communication

Worksheets - Communication

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

High-Reliability Circuits

Worksheets - Communication

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

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

Quantum Physics

Textbook

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

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Kirchhoff’s Laws

Worksheets - Communication

Many electronic circuits use what is called a split or a dual power…

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

AC Waveforms

Worksheets - Communication

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

AC Circuit Equations

Textbook

Inductive Reactance     Capacitive Reactance    …

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Communication

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Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Digital Lab - Introduction

Textbook

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Capacitor Types

Textbook

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

Slope (integrating) ADC

Textbook

So far, we’ve only been able to escape the sheer volume of…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Contributors (16)

Textbook

Contributors to this chapter are listed in chronological order of…

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Si Lab - Commutating Diode

Textbook

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

Autotransformers

Worksheets - Communication

How much voltage is there between the following pairs of points in…

DC Branch Current Analysis

Worksheets - Communication

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