All About Circuits

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Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


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Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


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Larger 4-variable Karnaugh Maps

Larger 4-variable Karnaugh Maps

Knowing how to generate Gray code should allow us to build larger…


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Pulse Width Modulation

Pulse Width Modulation

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


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Single-phase Power Systems

Single-phase Power Systems

Single phase power system schematic diagram shows little about the…


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Voltmeter Design

Voltmeter Design

Suppose I were about to measure an unknown voltage with a manual-range…


Worksheets - Wearables

Boolean Algebra

Boolean Algebra

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


Worksheets - Wearables

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


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Q Factor and Bandwidth of a Resonant Circuit

Q Factor and Bandwidth of a Resonant Circuit

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


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Safe Meter Usage

Safe Meter Usage

Using an electrical meter safely and efficiently is perhaps the most…


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Microprocessor Programming

Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…


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Harmonic Phase Sequences

Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…


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Arithmetic with Scientific Notation

Arithmetic with Scientific Notation

The benefits of scientific notation do not end with ease of writing…


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Scientific Notation in SPICE

Scientific Notation in SPICE

The SPICE circuit simulation computer program uses scientific notation…


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Voltmeter Design

Voltmeter Design

As was stated earlier, most meter movements are sensitive devices.…


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Millman’s Theorem

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…


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Susceptance and Admittance

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…


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Insulator Breakdown Voltage

Insulator Breakdown Voltage

The atoms in insulating materials have very tightly-bound electrons,…


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RMS Voltage Calculator

RMS Voltage Calculator

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.


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Resistors

Resistors

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


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Unit Conversion Calculator

Unit Conversion Calculator

Convert to and from different units of length, weight, power, temperature and torque


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Radicals

Radicals

Definition of a Radical Given the expression where “x” is…


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Voltage Signal Systems

Voltage Signal Systems

The use of variable voltage for instrumentation signals seems a rather…


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Basic Logic Gates

Basic Logic Gates

Identify the type of logic gate shown in this schematic diagram, and…


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Binary Count Sequence

Binary Count Sequence

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


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VSWR / Return Loss Calculator

VSWR / Return Loss Calculator

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line


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Square Wave Signals

Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…


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Tube Parameters

Tube Parameters

For bipolar junction transistors, the fundamental measure of…


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

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

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


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Single-ended and Differential Amplifiers

Single-ended and Differential Amplifiers

For ease of drawing complex circuit diagrams, electronic amplifiers…


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Introduction to SPICE

Introduction to SPICE

“With Electronics Workbench, you can create circuit schematics…


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Magnetic Units of Measurement

Magnetic Units of Measurement

In electric circuits, the three basic quantities are voltage (E or V),…


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Shock Current Path

Shock Current Path

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


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Transistor Ratings and Packages (JFET)

Transistor Ratings and Packages (JFET)


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Frequency and Phase Measurement

Frequency and Phase Measurement

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


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Intro Lab - A Simple Lighting Circuit

Intro Lab - A Simple Lighting Circuit

In this hands-on electronics experiment, you will build a battery-operated circuit with a light and learn about open and short circuit failures.


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Broadside Coupled Stripline Impedance Calculator

Broadside Coupled Stripline Impedance Calculator

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


Tools

Hand Calculator Use

Hand Calculator Use

To enter numbers in scientific notation into a hand calculator, there…


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Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


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Digital Lab - Introduction

Digital Lab - Introduction

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.


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Ring Counters

Ring Counters

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


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555 Lab - Schmitt Trigger

555 Lab - Schmitt Trigger

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.


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