Categories

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Design Project: Intercom System

Worksheets - Power Supplies

Design a passive circuit that will create a "split” ( V/-V) power…

DC Motor Control Circuits

Worksheets - Power Supplies

How is it possible to electrically measure the torque output by a…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

Polyphase Power Systems

Worksheets - Power Supplies

Explain the difference between a balanced polyphase system and an…

Battery Construction

Textbook

The word battery simply means a group of similar components. In…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Textbook

A voltage multiplier is a specialized rectifier circuit…

Power Conversion Circuits

Worksheets - Power Supplies

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

Design Project: DC Voltage Regulator

Worksheets - Power Supplies

It may seem difficult to even start on a project such as this, with no…

Basic Gate Function

Textbook

Parts and Materials 4011 quad NAND gate (Radio Shack catalog #…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Electromechanical Relay Logic

Worksheets - Power Supplies

In ladder logic symbolism, an electromechanical relay coil is shown as…

Peak, Average, and RMS Measurements

Worksheets - Power Supplies

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

Rectifier Circuits

Worksheets - Power Supplies

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Power Conversion Circuits

Worksheets - Power Supplies

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

Decibel Measurements

Worksheets - Power Supplies

During the early development of telephone technology, a unit was…

Clamper Circuits

Textbook

The circuits in the figure below are known as clampers or DC…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Power Supplies

What shape of voltage waveform would you expect to measure (using an…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Power Supplies

Define the following terms: energy, work, and power.

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

DC Motor Theory

Worksheets - Power Supplies

If the ends of a wire loop are attached to two half-circular metal…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Ammeter Design

Worksheets - Power Supplies

What would happen to this meter movement, if connected directly to a…

Electrical Noise and Interference

Worksheets - Power Supplies

Define what noise means, in the electrical sense of the word. How does…

Resonant Filters

Textbook

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Basic Voltmeter Use

Worksheets - Power Supplies

What will this voltmeter register when connected to a battery as shown…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Stepper Motor Calculator

Tools

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

Inductors

Textbook

An inductor is a passive two-terminal electrical component that…

Branch Current Method Analysis

Textbook

The most straightforward DC network analysis technique is the branch…

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Introduction to Karnaugh Mapping

Textbook

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…

Temperature Coefficients of Resistance Table

Textbook

Temperature coefficient (α) per degree C: Material Element/Alloy…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Transistors, Hybrid

Textbook

In essence, the IGFET controls the base current of a BJT, which…

Design Project: Radio Transmitter

Worksheets - Power Supplies

Research the FCC (Federal Communication Commission) guidelines on…

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Full-wave Bridge Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…

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.

Programmable Logic Controllers (PLC)

Textbook

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

Voltage-to-Current Signal Conversion

Textbook

In instrumentation circuitry, DC signals are often used as analog…