Categories

Design Project: Radio Transmitter

Worksheets - Military/Aero/Space

Research the FCC (Federal Communication Commission) guidelines on…

Special-purpose Diodes

Textbook

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

Quantum Physics

Textbook

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

Principles of Radio

Textbook

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

Link Budget Calculator

Tools

This tool is designed to calculate the power at the receiver using link budget analysis.

High-Reliability Circuits

Worksheets - Military/Aero/Space

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

Free Space Path Loss Calculator

Tools

This calculator computes for the free space path loss between transmit and receive antennas.

Fundamentals of Radio Communication

Worksheets - Military/Aero/Space

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

Radio Circuits

Textbook

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

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Minterm vs Maxterm Solution

Textbook

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

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Questions to Ask Before Proceeding

Textbook

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

Resistors Types

Textbook

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Military/Aero/Space

The electrical resistance of a conductor at any temperature may be…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Attenuators

Textbook

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

Parallel Circuit Rules

Textbook

Components in a parallel circuit share the same voltage: Etotal = E1…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is the…

Kirchhoff’s Laws

Worksheets - Military/Aero/Space

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

Voltage/Current Converter OpAmp Circuits

Worksheets - Military/Aero/Space

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

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Military/Aero/Space

What do each of the oscilloscope axes represent, in real-life terms…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

DC Branch Current Analysis

Worksheets - Military/Aero/Space

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

Electric Shock

Worksheets - Military/Aero/Space

It is sometimes said regarding electrical safety that, Ït’s not the…

Basic Algebra and Graphing for Electric Circuits

Worksheets - Military/Aero/Space

Many different equations used in the analysis of electric circuits may…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Microwave Tubes

Textbook

For extremely high-frequency applications (above 1 GHz), the…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Optothyristors

Textbook

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Wattmeter Design

Textbook

Power in an electric circuit is the product (multiplication) of…

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Simple Parallel Circuits

Textbook

On this page, we’ll outline the three principles you should…

Superposition Theorem

Textbook

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

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Digital Ramp ADC

Textbook

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

Design Project: Signal Generator

Worksheets - Military/Aero/Space

Explain the principle of operation for the particular integrated…

Soldering

Worksheets - Military/Aero/Space

Both soldering irons and soldering guns are tools used in the process…

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…