Latest Rigid-Flex Education

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Edge Coupled Microstrip Impedance Calculator

Tools

This tool helps calculate the impedance of an edge-coupled microstrip.

Kirchhoff’s Laws

Worksheets - Rigid-Flex

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

Encoders and Decoders

Worksheets - Rigid-Flex

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

Copper Wire Ampacity Table

Textbook

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

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Basic Circuit Troubleshooting

Worksheets - Rigid-Flex

Determine if the light bulb will de-energize for each of the following…

Basic Electricity Worksheet

Worksheets - Rigid-Flex

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

Basic Ammeter Use

Worksheets - Rigid-Flex

Show how this ammeter would be connected to the light bulb circuit to…

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Simple Circuits

Worksheets - Rigid-Flex

Shown here is the schematic symbol for a resistor: What is the purpose…

Basic Ohmmeter Use

Worksheets - Rigid-Flex

Explain how an ohmmeter is able to measure the resistance of a…

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

Rectifying Diodes

Worksheets - Rigid-Flex

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

Polyphase Power Systems

Worksheets - Rigid-Flex

Explain the difference between a balanced polyphase system and an…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Electrical Connections

Worksheets - Rigid-Flex

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

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

Reflection Attenuator Calculator

Tools

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

Protective Relay Circuits

Worksheets - Rigid-Flex

Protective relays are special power-sensing devices whose job it is to…

Design Project: AC-DC Power Supply

Worksheets - Rigid-Flex

Safety is very important when designing and/or building a device…

Passive Filter Circuits

Worksheets - Rigid-Flex

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

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

Shock Current Path

Textbook

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

Stepper Motor Calculator

Tools

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

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Characteristic Impedance

Worksheets - Rigid-Flex

Note the “50 ohm” rating printed on the jacket of the cable. What…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous   SPICE…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Active Filters

Worksheets - Rigid-Flex

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

Memory with moving parts: “Drives”

Textbook

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

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Rigid-Flex

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Principles of Radio

Textbook

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

Binary Count Sequence

Textbook

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