Categories

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Karnaugh Mapping

Worksheets - Optoelectronics

Identify each of these logic gates by name, and complete their…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

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.

Digital Display Circuits

Worksheets - Optoelectronics

What is the purpose of a seven-segment decoder circuit? What is a…

Design Project: LED Stroboscope

Worksheets - Optoelectronics

A technician uses a stroboscope to “freeze” the rotation of a…

Convert MCD to Lumens

Tools

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Optoelectronic Devices

Worksheets - Optoelectronics

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

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Electron Activity in Chemical Reactions

Textbook

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

Series-Parallel Combination AC Circuits

Worksheets - Optoelectronics

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

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Capacitive Reactance

Worksheets - Optoelectronics

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

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Current Divider Circuits

Worksheets - Optoelectronics

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

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…

Antiderivatives of Power Functions of e

Textbook

  Note: this is a very unique and useful property of e. As in…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

Step-up, Step-down, and Isolation Transformers

Worksheets - Optoelectronics

Calculate the voltage output by the secondary winding of a transformer…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Simultaneous Equations for Circuit Analysis

Worksheets - Optoelectronics

Solve this equation for the value of x: x + 5 = 8 How many exact…

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Peak, Average, and RMS Measurements

Worksheets - Optoelectronics

How is it possible to assign a fixed value of voltage or current (such…

Single-ended and Differential Amplifiers

Textbook

For ease of drawing complex circuit diagrams, electronic amplifiers…

Active-mode Operation (IGFET)

Textbook

Contributors (2)

Textbook

Contributors to this chapter are listed in chronological order of…

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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.

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

Transistor Ratings and Packages (IGFET)

Textbook

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Safety Grounding

Worksheets - Optoelectronics

In simple AC power systems, one of the two conductors is typically…

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

Power Conversion Circuits

Worksheets - Optoelectronics

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

AC phase

Worksheets - Optoelectronics

If we were to express the series-connected DC voltages as phasors…